Csharp/C Sharp/GUI Windows Form/RichTextBox
Содержание
Editor Form
<source lang="csharp"> /* Professional Windows GUI Programming Using C# by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury,
Zach Greenvoss, Shripad Kulkarni, Neil Whitlow
Publisher: Peer Information ISBN: 1861007663
- /
using System.Windows.Forms; using System; using System.Drawing; using System.IO;
namespace Chapter2App {
public class EditorForm : System.Windows.Forms.Form
{
// The RichTextBox control
private RichTextBox richTxtBox;
// constructor
public EditorForm()
{
// Instantiate the richTextBox member
this.richTxtBox = new RichTextBox();
// Set the Dock style so that the control fills the Form
this.richTxtBox.Dock = DockStyle.Fill;
// Add the RichTextBox to the Form
this.Controls.Add(this.richTxtBox);
}
public string EditText
{
get
{
return this.richTxtBox.Text;
}
set
{
richTxtBox.Text = value;
}
}
}
public class MyForm : System.Windows.Forms.Form
{
private System.Windows.Forms.MainMenu mainMenu;
private ToolBar toolBar;
private StatusBar statusBar;
// constructor
public MyForm()
{
// set the title
this.Text = "Hello world";
// set the default size
this.Size = new System.Drawing.Size(500,500);
// set make the form non resizeable with sunken edge
//this.FormBorderStyle = FormBorderStyle.Fixed3D;
// Create the menu items
MenuItem miNew = new MenuItem("&New",new EventHandler(OnMenuNew));
// adding a "-" titled menu item adds a divider on the menu
MenuItem miDash = new MenuItem("-");
MenuItem miOpen = new MenuItem("&Open",new EventHandler(OnMenuOpen));
MenuItem miSave = new MenuItem("&Save",new EventHandler(OnMenuSave));
// Create the array of menu items which will form the submenu of File
MenuItem[] fileMiArray = new MenuItem[] {miNew,miDash,miOpen,miSave};
// create the File menu Item
MenuItem miFile = new MenuItem("&File",fileMiArray );
// Cretat the array of menu itme for the main menu
MenuItem[] mainMiArray = new MenuItem[] {miFile};
// Create the main menu
this.mainMenu = new MainMenu(mainMiArray);
// Another way of creating MainMenu object and attaching a MenuItem
//this.mainMenu = new MainMenu();
//this.mainMenu.MenuItems.Add(miFile );
// Add the Help menu using a different route
MenuItem aboutMenuItem = new MenuItem();
aboutMenuItem.Text = "&About";
aboutMenuItem.Click += new EventHandler(OnMenuAbout);
MenuItem helpMenuItem = new MenuItem();
helpMenuItem.Text = "&Help";
helpMenuItem.MenuItems.Add(aboutMenuItem);
mainMenu.MenuItems.Add(helpMenuItem);
// Attach the main menu object to the form
this.Menu = this.mainMenu;
// Context Menu
//MenuItem redContext = new MenuItem("Make Form Red",new EventHandler(OnContextRed));
//MenuItem greyContext = new MenuItem("Make Form Grey",new EventHandler(OnContextGrey));
//ContextMenu colorContextMenu = new ContextMenu(new MenuItem[] {redContext,greyContext});
MenuItem colorContext = new MenuItem("Change the color of the Form",new EventHandler(OnContextColor));
ContextMenu colorContextMenu = new ContextMenu(new MenuItem[] {colorContext});
this.ContextMenu = colorContextMenu;
// Make this Form a MDI container
this.IsMdiContainer = true;
// Toolbar
// The ImageList of the toolbar
ImageList imageLst = new ImageList();
// Create Bitmap objects to add to the ImageList
//Bitmap bmpStrip = new Bitmap("ToolBarStrip.bmp");
Bitmap bmpStrip = new Bitmap(GetType(),"ToolBarStrip.bmp");
imageLst.Images.AddStrip(bmpStrip);
imageLst.TransparentColor = Color.Red;
// Need the actual bmp files on the directory of the app!
//Bitmap bmpNew = new Bitmap("NEW.bmp");
//Bitmap bmpOpen = new Bitmap("OPEN.bmp");
//Bitmap bmpSave = new Bitmap("SAVE.bmp");
// Add the images created to the ImageList
//imageLst.Images.Add(bmpNew);
//imageLst.Images.Add(bmpOpen);
//imageLst.Images.Add(bmpSave);
// Set transparent color so that background dont show
// Create the ToolBar object
toolBar = new ToolBar();
// Toolbar belongs to this Form
toolBar.Parent = this;
// ImageList is the one we just created
toolBar.ImageList = imageLst;
/*
// Add 3 buttons
for(int i=0; i< 3;i++)
{
// Create the buttons
ToolBarButton toolBtn = new ToolBarButton();
// Show the image i from the ImageList of the toolbar
toolBtn.ImageIndex = i;
// Add the button to the ToolBar
toolBar.Buttons.Add(toolBtn);
}
*/
// Create the buttons
ToolBarButton toolBtnNew = new ToolBarButton();
ToolBarButton toolBtnOpen = new ToolBarButton();
ToolBarButton toolBtnSave = new ToolBarButton();
// Show the image i from the ImageList of the toolbar
toolBtnNew.ImageIndex = 0;
toolBtnOpen.ImageIndex = 1;
toolBtnSave.ImageIndex = 2;
// Add the appropriate menu items
toolBtnNew.Tag = miNew;
toolBtnOpen.Tag = miOpen;
toolBtnSave.Tag = miSave;
// Add the button to the ToolBar
toolBar.Buttons.Add(toolBtnNew);
toolBar.Buttons.Add(toolBtnOpen);
toolBar.Buttons.Add(toolBtnSave);
// Wire the button click handler for the toolbar
toolBar.ButtonClick += new ToolBarButtonClickEventHandler(ToolBarClick);
statusBar = new StatusBar();
//statusBar.Text = "I am a status bar";
statusBar.ShowPanels = true;
statusBar.Parent = this;
// Create and the Help panel
StatusBarPanel statusPanelHelp = new StatusBarPanel();
statusPanelHelp.AutoSize = StatusBarPanelAutoSize.Spring;
statusPanelHelp.Text = "This is the place for help!";
statusBar.Panels.Add(statusPanelHelp);
// Create and add the Date panel
StatusBarPanel statusPanelDate = new StatusBarPanel();
statusPanelDate.AutoSize = StatusBarPanelAutoSize.Contents;
// Get todays date
DateTime dt= DateTime.Now;
statusPanelDate.Text = dt.ToShortDateString();
statusBar.Panels.Add(statusPanelDate);
// Wire the Closing event to the HandleClosing method
// this.Closing += new System.ruponentModel.CancelEventHandler(HandleClosing);
}
void ToolBarClick(object sender,ToolBarButtonClickEventArgs e)
{
MenuItem menuItemForButton = (MenuItem) e.Button.Tag;
menuItemForButton.PerformClick();
/*
// Find out which button is clicked by their position
switch(toolBar.Buttons.IndexOf(e.Button))
{
case 0:
// First button is the New button
// Call the menu handler but passing null on the 2nd param
this.OnMenuNew(sender,null);
break;
case 1:
// Second button is the Open button
this.OpenDocument();
break;
case 2:
// Third button is the Save button
this.SaveActiveDocument();
break;
}
*/
}
void OnContextColor(object obj, EventArgs e)
{
ColorDialog colorDlg = new ColorDialog();
if(colorDlg.ShowDialog() == DialogResult.OK)
{
// Grab the third child f this Form and set its color
this.Controls[2].BackColor = colorDlg.Color;
// Does"t work after adding the status bar since the status bar becomes the second child
// Grab the second child of this Form and set its color
//this.Controls[1].BackColor = colorDlg.Color;
// Doesn"t work with toolbar, because toolbar becomes the first child:
// Grab the first child control of this Form and set its color
//this.Controls[0].BackColor = colorDlg.Color;
}
// Doesn"t work for MDI container since this Form is hidden
// by a new MDI child Form managing Form
//this.BackColor = Color.Red;
}
void OnContextRed(object obj, EventArgs e)
{
// Grab the first child control of this Form and set its color
this.Controls[1].BackColor = Color.Red;
// Doesn"t work for MDI container since this Form is hidden
// by a new MDI child Form managing Form
//this.BackColor = Color.Red;
}
void OnContextGrey(object obj, EventArgs e)
{
// Grab the first child control of this Form and set its color
this.Controls[0].BackColor = Color.Gray;
// Doesn"t work for MDI ...
//this.BackColor = Color.Gray;
}
void OnMenuAbout(object obj, EventArgs e)
{
// Forces the context menu for the main Form to pop up at
// the given position.
this.ContextMenu.Show(this, new Point(20,100));
}
void OnMenuNew(object obj, EventArgs e)
{
// Instantiate our custom form and show it
EditorForm editForm = new EditorForm();
editForm.MdiParent = this;
editForm.Show();
// Count the number of MDI child Forms and set the title of the
// main form and the newly created Form
editForm.Text = "Document " + this.MdiChildren.Length.ToString();
}
void OnMenuOpen(object obj, EventArgs e)
{
OpenDocument();
}
void OpenDocument()
{
OpenFileDialog openDlg = new OpenFileDialog();
openDlg.Filter = "Text Files|*.txt;*.text;*.doc|All Files|*.*";
openDlg.InitialDirectory="C:\\";
DialogResult dr = openDlg.ShowDialog();
if(dr == DialogResult.OK)
{
// User click on Open
// Open the file and get its content
string txtFromFile = OpenFileAndReturnText(openDlg.FileName);
// Instantiate our custom form and show it
EditorForm editForm = new EditorForm();
editForm.MdiParent = this;
// Set the title of the Form
editForm.Text = openDlg.FileName;
// Set the contents of the Editor Form
editForm.EditText = txtFromFile;
editForm.Show();
}
}
string OpenFileAndReturnText(string filename)
{
// Open the file given by param filname, read it
// and return content
System.IO.StreamReader reader;
try
{
reader = new System.IO.StreamReader(filename);
return reader.ReadToEnd();
}
catch
{
MessageBox.Show("File could not be accessed");
return "";
}
}
void OnMenuSave(object obj, EventArgs e)
{
SaveActiveDocument();
}
protected void SaveActiveDocument()
{
// Get the active MDI child Form and cast it to the custom Form
EditorForm activeForm = (EditorForm) this.ActiveMdiChild;
if(activeForm != null)
{
// Instantiate the object
SaveFileDialog saveDlg = new SaveFileDialog();
// Set the suggested name
saveDlg.FileName = activeForm.Text;
saveDlg.InitialDirectory="C:\\";
// Set filter, this also sets extension
saveDlg.Filter = "Text Files|*.txt; *.text; *.doc|All Files|*.*";
// Let the dialog set extension
saveDlg.AddExtension = true;
if(saveDlg.ShowDialog() == DialogResult.OK)
{
FileInfo fi = new FileInfo(saveDlg.FileName);
StreamWriter sw = fi.CreateText();
sw.Write(((EditorForm)this.ActiveMdiChild).EditText);
sw.Close();
}
}
}
protected override void OnClosing(System.ruponentModel.CancelEventArgs e)
{
// Create an instance of the form that is to shown modally.
Form modalForm = new Form();
// Create two buttons to use as the Yes and No buttons.
Button yesButton = new Button ();
Button noButton = new Button ();
// Set the text of yes button.
yesButton.Text = "Yes";
// Set the position of the button on the form.
yesButton.Location = new System.Drawing.Point (10, 10);
// Set the text of no button.
noButton.Text = "No";
// Set the position of the button based on the location of the yes button.
noButton.Location
= new System.Drawing.Point (yesButton.Right + 10, yesButton.Top);
// Set the caption bar text of the modal form.
modalForm.Text = "Are you sure you want to close??";
// set the size
modalForm.Size = new System.Drawing.Size(300,100);
// Add DialogResult values of the button
yesButton.DialogResult = DialogResult.Yes;
noButton.DialogResult = DialogResult.No;
// Add the buttons to the form.
modalForm.Controls.Add(yesButton);
modalForm.Controls.Add(noButton);
// Display the form as a modal dialog box.
if(modalForm.ShowDialog()== DialogResult.No)
{
// setting the Cancel property of the CancelEventArgs cancels
// the event and keeps the Form open
e.Cancel = true;
}
else
{
// the Yes button was clicked so we need to do nothing
}
// Call the base method so that the event do get raised
base.OnClosing(e);
}
static void HandleClosing(object sender, System.ruponentModel.CancelEventArgs e)
{
// Create an instance of the form that is to shown modally.
Form modalForm = new Form();
// Create two buttons to use as the Yes and No buttons.
Button yesButton = new Button ();
Button noButton = new Button ();
// Set the text of yes button.
yesButton.Text = "Yes";
// Set the position of the button on the form.
yesButton.Location = new System.Drawing.Point (10, 10);
// Set the text of no button.
noButton.Text = "No";
// Set the position of the button based on the location of the yes button.
noButton.Location
= new System.Drawing.Point (yesButton.Right + 10, yesButton.Top);
// Set the caption bar text of the modal form.
modalForm.Text = "Are you sure you want to close?";
// set the size
modalForm.Size = new System.Drawing.Size(300,100);
// Add DialogResult values of the button
yesButton.DialogResult = DialogResult.Yes;
noButton.DialogResult = DialogResult.No;
// Add the buttons to the form.
modalForm.Controls.Add(yesButton);
modalForm.Controls.Add(noButton);
// Display the form as a modal dialog box.
if(modalForm.ShowDialog()== DialogResult.No)
{
// setting the Cancel property of the CancelEventArgs cancels
// the event and keeps the Form open
e.Cancel = true;
}
else
{
// the Yes button was clicked so we need to do nothing
// the Form will close itself.
}
}
static void Main()
{
//Instantiate the derived Form
MyForm myForm = new MyForm();
// Start the app
Application.Run(myForm);
}
}
}
</source>
<A href="http://www.nfex.ru/Code/CSharpDownload/Chapter2App.zip">Chapter2App.zip( 38 k)</a>
Paste Image to RichTextBox
<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.IO; using System.Drawing.Text; public class Form1 : Form {
private System.Windows.Forms.RichTextBox richTextBox1;
private System.Windows.Forms.ToolStrip toolStrip1;
private System.Windows.Forms.ToolStripButton cmdUnderline;
private System.Windows.Forms.ToolStripButton cmdBold;
private System.Windows.Forms.ToolStripButton cmdItalic;
private System.Windows.Forms.ToolStripSeparator toolStripSeparator1;
private System.Windows.Forms.ToolStripDropDownButton lstColors;
private System.Windows.Forms.ToolStripDropDownButton lstFonts;
private System.Windows.Forms.ToolStripDropDownButton lstZoom;
private System.Windows.Forms.ToolStripDropDownButton lstFontSize;
private System.Windows.Forms.ToolStripSeparator toolStripSeparator2;
private System.Windows.Forms.Button cmdAddImage;
public Form1() {
InitializeComponent();
}
private void richTextBox1_SelectionChanged(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont != null)
{
cmdBold.Checked = richTextBox1.SelectionFont.Bold;
cmdItalic.Checked = richTextBox1.SelectionFont.Italic;
cmdUnderline.Checked = richTextBox1.SelectionFont.Underline;
}
}
private void cmdBold_Click(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
FontStyle style = richTextBox1.SelectionFont.Style;
if (richTextBox1.SelectionFont.Bold)
{
style &= ~FontStyle.Bold;
}
else
{
style |= FontStyle.Bold;
}
richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style);
}
private void cmdItalic_Click(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
FontStyle style = richTextBox1.SelectionFont.Style;
if (richTextBox1.SelectionFont.Italic)
{
style &= ~FontStyle.Italic;
}
else
{
style |= FontStyle.Italic;
}
richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style);
}
private void cmdUnderline_Click(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
FontStyle style = richTextBox1.SelectionFont.Style;
if (richTextBox1.SelectionFont.Underline)
{
style &= ~FontStyle.Underline;
}
else
{
style |= FontStyle.Underline;
}
richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style);
}
private void Form1_Load(object sender, EventArgs e)
{
lstColors.DropDown.Items.Add("Red");
lstColors.DropDown.Items.Add("Blue");
InstalledFontCollection fonts = new InstalledFontCollection();
foreach (FontFamily family in fonts.Families)
{
lstFonts.DropDown.Items.Add(family.Name);
}
lstZoom.DropDown.Items.Add("300%");
lstZoom.DropDown.Items.Add("200%");
lstZoom.DropDown.Items.Add("100%");
lstFontSize.DropDown.Items.Add("8");
lstFontSize.DropDown.Items.Add("10");
lstFontSize.DropDown.Items.Add("12");
}
private void lstColors_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
KnownColor selectedColor;
selectedColor = (KnownColor)System.Enum.Parse(typeof(KnownColor), e.ClickedItem.Text);
richTextBox1.SelectionColor = Color.FromKnownColor(selectedColor);
}
private void lstFonts_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
richTextBox1.SelectionFont = new Font(e.ClickedItem.Text, richTextBox1.Font.Size);
}
richTextBox1.SelectionFont = new Font(e.ClickedItem.Text, richTextBox1.SelectionFont.Size);
}
private void lstZoom_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
float zoomPercent = Convert.ToSingle(e.ClickedItem.Text.Trim("%"));
richTextBox1.ZoomFactor = zoomPercent / 100;
}
private void lstFontSize_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
richTextBox1.SelectionFont =new Font(richTextBox1.SelectionFont.FontFamily,
Convert.ToInt32(e.ClickedItem.Text),
richTextBox1.SelectionFont.Style);
}
private void cmdAddImage_Click(object sender, EventArgs e)
{
Image img = Image.FromFile("winter.jpg");
Clipboard.SetImage(img);
richTextBox1.SelectionStart = 0;
richTextBox1.Paste();
Clipboard.Clear();
}
private void InitializeComponent()
{
this.richTextBox1 = new System.Windows.Forms.RichTextBox();
this.toolStrip1 = new System.Windows.Forms.ToolStrip();
this.cmdBold = new System.Windows.Forms.ToolStripButton();
this.cmdItalic = new System.Windows.Forms.ToolStripButton();
this.cmdUnderline = new System.Windows.Forms.ToolStripButton();
this.toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
this.lstColors = new System.Windows.Forms.ToolStripDropDownButton();
this.lstFonts = new System.Windows.Forms.ToolStripDropDownButton();
this.lstFontSize = new System.Windows.Forms.ToolStripDropDownButton();
this.toolStripSeparator2 = new System.Windows.Forms.ToolStripSeparator();
this.lstZoom = new System.Windows.Forms.ToolStripDropDownButton();
this.cmdAddImage = new System.Windows.Forms.Button();
this.toolStrip1.SuspendLayout();
this.SuspendLayout();
//
// richTextBox1
//
this.richTextBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.richTextBox1.BulletIndent = 5;
this.richTextBox1.Location = new System.Drawing.Point(12, 37);
this.richTextBox1.Margin = new System.Windows.Forms.Padding(5);
this.richTextBox1.Name = "richTextBox1";
this.richTextBox1.Size = new System.Drawing.Size(317, 197);
this.richTextBox1.TabIndex = 0;
this.richTextBox1.Text = "adfasdf";
this.richTextBox1.SelectionChanged += new System.EventHandler(this.richTextBox1_SelectionChanged);
//
// toolStrip1
//
this.toolStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.cmdBold,
this.cmdItalic,
this.cmdUnderline,
this.toolStripSeparator1,
this.lstColors,
this.lstFonts,
this.lstFontSize,
this.toolStripSeparator2,
this.lstZoom});
this.toolStrip1.Location = new System.Drawing.Point(0, 0);
this.toolStrip1.Name = "toolStrip1";
this.toolStrip1.Size = new System.Drawing.Size(341, 25);
this.toolStrip1.TabIndex = 1;
this.toolStrip1.Text = "toolStrip1";
//
// cmdBold
//
this.cmdBold.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.cmdBold.ImageTransparentColor = System.Drawing.Color.Magenta;
this.cmdBold.Name = "cmdBold";
this.cmdBold.Size = new System.Drawing.Size(31, 22);
this.cmdBold.Text = "Bold";
this.cmdBold.Click += new System.EventHandler(this.cmdBold_Click);
//
// cmdItalic
//
this.cmdItalic.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.cmdItalic.ImageTransparentColor = System.Drawing.Color.Magenta;
this.cmdItalic.Name = "cmdItalic";
this.cmdItalic.Size = new System.Drawing.Size(34, 22);
this.cmdItalic.Text = "Italic";
this.cmdItalic.Click += new System.EventHandler(this.cmdItalic_Click);
//
// cmdUnderline
//
this.cmdUnderline.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.cmdUnderline.ImageTransparentColor = System.Drawing.Color.Magenta;
this.cmdUnderline.Name = "cmdUnderline";
this.cmdUnderline.Size = new System.Drawing.Size(56, 22);
this.cmdUnderline.Text = "Underline";
this.cmdUnderline.Click += new System.EventHandler(this.cmdUnderline_Click);
//
// toolStripSeparator1
//
this.toolStripSeparator1.Name = "toolStripSeparator1";
this.toolStripSeparator1.Size = new System.Drawing.Size(6, 25);
//
// lstColors
//
this.lstColors.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstColors.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstColors.Name = "lstColors";
this.lstColors.Size = new System.Drawing.Size(45, 22);
this.lstColors.Text = "Color";
this.lstColors.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstColors_DropDownItemClicked);
//
// lstFonts
//
this.lstFonts.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstFonts.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstFonts.Name = "lstFonts";
this.lstFonts.Size = new System.Drawing.Size(42, 22);
this.lstFonts.Text = "Font";
this.lstFonts.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstFonts_DropDownItemClicked);
//
// lstFontSize
//
this.lstFontSize.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstFontSize.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstFontSize.Name = "lstFontSize";
this.lstFontSize.Size = new System.Drawing.Size(39, 22);
this.lstFontSize.Text = "Size";
this.lstFontSize.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstFontSize_DropDownItemClicked);
//
// toolStripSeparator2
//
this.toolStripSeparator2.Name = "toolStripSeparator2";
this.toolStripSeparator2.Size = new System.Drawing.Size(6, 25);
//
// lstZoom
//
this.lstZoom.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstZoom.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstZoom.Name = "lstZoom";
this.lstZoom.Size = new System.Drawing.Size(46, 22);
this.lstZoom.Text = "Zoom";
this.lstZoom.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstZoom_DropDownItemClicked);
//
// cmdAddImage
//
this.cmdAddImage.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
this.cmdAddImage.Location = new System.Drawing.Point(12, 237);
this.cmdAddImage.Name = "cmdAddImage";
this.cmdAddImage.Size = new System.Drawing.Size(154, 23);
this.cmdAddImage.TabIndex = 2;
this.cmdAddImage.Text = "Insert Image";
this.cmdAddImage.UseVisualStyleBackColor = true;
this.cmdAddImage.Click += new System.EventHandler(this.cmdAddImage_Click);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(341, 266);
this.Controls.Add(this.cmdAddImage);
this.Controls.Add(this.toolStrip1);
this.Controls.Add(this.richTextBox1);
this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.Name = "Form1";
this.Text = "RichTextBox Test";
this.Load += new System.EventHandler(this.Form1_Load);
this.toolStrip1.ResumeLayout(false);
this.toolStrip1.PerformLayout();
this.ResumeLayout(false);
this.PerformLayout();
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
</source>
RichTextBox Font bold, italic
<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.IO; using System.Drawing.Text; public class Form1 : Form {
private System.Windows.Forms.RichTextBox richTextBox1;
private System.Windows.Forms.ToolStrip toolStrip1;
private System.Windows.Forms.ToolStripButton cmdUnderline;
private System.Windows.Forms.ToolStripButton cmdBold;
private System.Windows.Forms.ToolStripButton cmdItalic;
private System.Windows.Forms.ToolStripSeparator toolStripSeparator1;
private System.Windows.Forms.ToolStripDropDownButton lstColors;
private System.Windows.Forms.ToolStripDropDownButton lstFonts;
private System.Windows.Forms.ToolStripDropDownButton lstZoom;
private System.Windows.Forms.ToolStripDropDownButton lstFontSize;
private System.Windows.Forms.ToolStripSeparator toolStripSeparator2;
private System.Windows.Forms.Button cmdAddImage;
public Form1() {
InitializeComponent();
}
private void richTextBox1_SelectionChanged(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont != null)
{
cmdBold.Checked = richTextBox1.SelectionFont.Bold;
cmdItalic.Checked = richTextBox1.SelectionFont.Italic;
cmdUnderline.Checked = richTextBox1.SelectionFont.Underline;
}
}
private void cmdBold_Click(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
FontStyle style = richTextBox1.SelectionFont.Style;
if (richTextBox1.SelectionFont.Bold)
{
style &= ~FontStyle.Bold;
}
else
{
style |= FontStyle.Bold;
}
richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style);
}
private void cmdItalic_Click(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
FontStyle style = richTextBox1.SelectionFont.Style;
if (richTextBox1.SelectionFont.Italic)
{
style &= ~FontStyle.Italic;
}
else
{
style |= FontStyle.Italic;
}
richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style);
}
private void cmdUnderline_Click(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
FontStyle style = richTextBox1.SelectionFont.Style;
if (richTextBox1.SelectionFont.Underline)
{
style &= ~FontStyle.Underline;
}
else
{
style |= FontStyle.Underline;
}
richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style);
}
private void Form1_Load(object sender, EventArgs e)
{
lstColors.DropDown.Items.Add("Red");
lstColors.DropDown.Items.Add("Blue");
InstalledFontCollection fonts = new InstalledFontCollection();
foreach (FontFamily family in fonts.Families)
{
lstFonts.DropDown.Items.Add(family.Name);
}
lstZoom.DropDown.Items.Add("300%");
lstZoom.DropDown.Items.Add("200%");
lstZoom.DropDown.Items.Add("100%");
lstFontSize.DropDown.Items.Add("8");
lstFontSize.DropDown.Items.Add("10");
lstFontSize.DropDown.Items.Add("12");
}
private void lstColors_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
KnownColor selectedColor;
selectedColor = (KnownColor)System.Enum.Parse(typeof(KnownColor), e.ClickedItem.Text);
richTextBox1.SelectionColor = Color.FromKnownColor(selectedColor);
}
private void lstFonts_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
richTextBox1.SelectionFont = new Font(e.ClickedItem.Text, richTextBox1.Font.Size);
}
richTextBox1.SelectionFont = new Font(e.ClickedItem.Text, richTextBox1.SelectionFont.Size);
}
private void lstZoom_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
float zoomPercent = Convert.ToSingle(e.ClickedItem.Text.Trim("%"));
richTextBox1.ZoomFactor = zoomPercent / 100;
}
private void lstFontSize_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
richTextBox1.SelectionFont =new Font(richTextBox1.SelectionFont.FontFamily,
Convert.ToInt32(e.ClickedItem.Text),
richTextBox1.SelectionFont.Style);
}
private void cmdAddImage_Click(object sender, EventArgs e)
{
Image img = Image.FromFile("winter.jpg");
Clipboard.SetImage(img);
richTextBox1.SelectionStart = 0;
richTextBox1.Paste();
Clipboard.Clear();
}
private void InitializeComponent()
{
this.richTextBox1 = new System.Windows.Forms.RichTextBox();
this.toolStrip1 = new System.Windows.Forms.ToolStrip();
this.cmdBold = new System.Windows.Forms.ToolStripButton();
this.cmdItalic = new System.Windows.Forms.ToolStripButton();
this.cmdUnderline = new System.Windows.Forms.ToolStripButton();
this.toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
this.lstColors = new System.Windows.Forms.ToolStripDropDownButton();
this.lstFonts = new System.Windows.Forms.ToolStripDropDownButton();
this.lstFontSize = new System.Windows.Forms.ToolStripDropDownButton();
this.toolStripSeparator2 = new System.Windows.Forms.ToolStripSeparator();
this.lstZoom = new System.Windows.Forms.ToolStripDropDownButton();
this.cmdAddImage = new System.Windows.Forms.Button();
this.toolStrip1.SuspendLayout();
this.SuspendLayout();
//
// richTextBox1
//
this.richTextBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.richTextBox1.BulletIndent = 5;
this.richTextBox1.Location = new System.Drawing.Point(12, 37);
this.richTextBox1.Margin = new System.Windows.Forms.Padding(5);
this.richTextBox1.Name = "richTextBox1";
this.richTextBox1.Size = new System.Drawing.Size(317, 197);
this.richTextBox1.TabIndex = 0;
this.richTextBox1.Text = "adfasdf";
this.richTextBox1.SelectionChanged += new System.EventHandler(this.richTextBox1_SelectionChanged);
//
// toolStrip1
//
this.toolStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.cmdBold,
this.cmdItalic,
this.cmdUnderline,
this.toolStripSeparator1,
this.lstColors,
this.lstFonts,
this.lstFontSize,
this.toolStripSeparator2,
this.lstZoom});
this.toolStrip1.Location = new System.Drawing.Point(0, 0);
this.toolStrip1.Name = "toolStrip1";
this.toolStrip1.Size = new System.Drawing.Size(341, 25);
this.toolStrip1.TabIndex = 1;
this.toolStrip1.Text = "toolStrip1";
//
// cmdBold
//
this.cmdBold.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.cmdBold.ImageTransparentColor = System.Drawing.Color.Magenta;
this.cmdBold.Name = "cmdBold";
this.cmdBold.Size = new System.Drawing.Size(31, 22);
this.cmdBold.Text = "Bold";
this.cmdBold.Click += new System.EventHandler(this.cmdBold_Click);
//
// cmdItalic
//
this.cmdItalic.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.cmdItalic.ImageTransparentColor = System.Drawing.Color.Magenta;
this.cmdItalic.Name = "cmdItalic";
this.cmdItalic.Size = new System.Drawing.Size(34, 22);
this.cmdItalic.Text = "Italic";
this.cmdItalic.Click += new System.EventHandler(this.cmdItalic_Click);
//
// cmdUnderline
//
this.cmdUnderline.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.cmdUnderline.ImageTransparentColor = System.Drawing.Color.Magenta;
this.cmdUnderline.Name = "cmdUnderline";
this.cmdUnderline.Size = new System.Drawing.Size(56, 22);
this.cmdUnderline.Text = "Underline";
this.cmdUnderline.Click += new System.EventHandler(this.cmdUnderline_Click);
//
// toolStripSeparator1
//
this.toolStripSeparator1.Name = "toolStripSeparator1";
this.toolStripSeparator1.Size = new System.Drawing.Size(6, 25);
//
// lstColors
//
this.lstColors.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstColors.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstColors.Name = "lstColors";
this.lstColors.Size = new System.Drawing.Size(45, 22);
this.lstColors.Text = "Color";
this.lstColors.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstColors_DropDownItemClicked);
//
// lstFonts
//
this.lstFonts.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstFonts.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstFonts.Name = "lstFonts";
this.lstFonts.Size = new System.Drawing.Size(42, 22);
this.lstFonts.Text = "Font";
this.lstFonts.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstFonts_DropDownItemClicked);
//
// lstFontSize
//
this.lstFontSize.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstFontSize.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstFontSize.Name = "lstFontSize";
this.lstFontSize.Size = new System.Drawing.Size(39, 22);
this.lstFontSize.Text = "Size";
this.lstFontSize.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstFontSize_DropDownItemClicked);
//
// toolStripSeparator2
//
this.toolStripSeparator2.Name = "toolStripSeparator2";
this.toolStripSeparator2.Size = new System.Drawing.Size(6, 25);
//
// lstZoom
//
this.lstZoom.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstZoom.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstZoom.Name = "lstZoom";
this.lstZoom.Size = new System.Drawing.Size(46, 22);
this.lstZoom.Text = "Zoom";
this.lstZoom.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstZoom_DropDownItemClicked);
//
// cmdAddImage
//
this.cmdAddImage.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
this.cmdAddImage.Location = new System.Drawing.Point(12, 237);
this.cmdAddImage.Name = "cmdAddImage";
this.cmdAddImage.Size = new System.Drawing.Size(154, 23);
this.cmdAddImage.TabIndex = 2;
this.cmdAddImage.Text = "Insert Image";
this.cmdAddImage.UseVisualStyleBackColor = true;
this.cmdAddImage.Click += new System.EventHandler(this.cmdAddImage_Click);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(341, 266);
this.Controls.Add(this.cmdAddImage);
this.Controls.Add(this.toolStrip1);
this.Controls.Add(this.richTextBox1);
this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.Name = "Form1";
this.Text = "RichTextBox Test";
this.Load += new System.EventHandler(this.Form1_Load);
this.toolStrip1.ResumeLayout(false);
this.toolStrip1.PerformLayout();
this.ResumeLayout(false);
this.PerformLayout();
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
</source>
RichTextBox Zoom
<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.IO; using System.Drawing.Text; public class Form1 : Form {
private System.Windows.Forms.RichTextBox richTextBox1;
private System.Windows.Forms.ToolStrip toolStrip1;
private System.Windows.Forms.ToolStripButton cmdUnderline;
private System.Windows.Forms.ToolStripButton cmdBold;
private System.Windows.Forms.ToolStripButton cmdItalic;
private System.Windows.Forms.ToolStripSeparator toolStripSeparator1;
private System.Windows.Forms.ToolStripDropDownButton lstColors;
private System.Windows.Forms.ToolStripDropDownButton lstFonts;
private System.Windows.Forms.ToolStripDropDownButton lstZoom;
private System.Windows.Forms.ToolStripDropDownButton lstFontSize;
private System.Windows.Forms.ToolStripSeparator toolStripSeparator2;
private System.Windows.Forms.Button cmdAddImage;
public Form1() {
InitializeComponent();
}
private void richTextBox1_SelectionChanged(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont != null)
{
cmdBold.Checked = richTextBox1.SelectionFont.Bold;
cmdItalic.Checked = richTextBox1.SelectionFont.Italic;
cmdUnderline.Checked = richTextBox1.SelectionFont.Underline;
}
}
private void cmdBold_Click(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
FontStyle style = richTextBox1.SelectionFont.Style;
if (richTextBox1.SelectionFont.Bold)
{
style &= ~FontStyle.Bold;
}
else
{
style |= FontStyle.Bold;
}
richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style);
}
private void cmdItalic_Click(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
FontStyle style = richTextBox1.SelectionFont.Style;
if (richTextBox1.SelectionFont.Italic)
{
style &= ~FontStyle.Italic;
}
else
{
style |= FontStyle.Italic;
}
richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style);
}
private void cmdUnderline_Click(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
FontStyle style = richTextBox1.SelectionFont.Style;
if (richTextBox1.SelectionFont.Underline)
{
style &= ~FontStyle.Underline;
}
else
{
style |= FontStyle.Underline;
}
richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style);
}
private void Form1_Load(object sender, EventArgs e)
{
lstColors.DropDown.Items.Add("Red");
lstColors.DropDown.Items.Add("Blue");
InstalledFontCollection fonts = new InstalledFontCollection();
foreach (FontFamily family in fonts.Families)
{
lstFonts.DropDown.Items.Add(family.Name);
}
lstZoom.DropDown.Items.Add("300%");
lstZoom.DropDown.Items.Add("200%");
lstZoom.DropDown.Items.Add("100%");
lstFontSize.DropDown.Items.Add("8");
lstFontSize.DropDown.Items.Add("10");
lstFontSize.DropDown.Items.Add("12");
}
private void lstColors_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
KnownColor selectedColor;
selectedColor = (KnownColor)System.Enum.Parse(typeof(KnownColor), e.ClickedItem.Text);
richTextBox1.SelectionColor = Color.FromKnownColor(selectedColor);
}
private void lstFonts_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
richTextBox1.SelectionFont = new Font(e.ClickedItem.Text, richTextBox1.Font.Size);
}
richTextBox1.SelectionFont = new Font(e.ClickedItem.Text, richTextBox1.SelectionFont.Size);
}
private void lstZoom_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
float zoomPercent = Convert.ToSingle(e.ClickedItem.Text.Trim("%"));
richTextBox1.ZoomFactor = zoomPercent / 100;
}
private void lstFontSize_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
richTextBox1.SelectionFont =new Font(richTextBox1.SelectionFont.FontFamily,
Convert.ToInt32(e.ClickedItem.Text),
richTextBox1.SelectionFont.Style);
}
private void cmdAddImage_Click(object sender, EventArgs e)
{
Image img = Image.FromFile("winter.jpg");
Clipboard.SetImage(img);
richTextBox1.SelectionStart = 0;
richTextBox1.Paste();
Clipboard.Clear();
}
private void InitializeComponent()
{
this.richTextBox1 = new System.Windows.Forms.RichTextBox();
this.toolStrip1 = new System.Windows.Forms.ToolStrip();
this.cmdBold = new System.Windows.Forms.ToolStripButton();
this.cmdItalic = new System.Windows.Forms.ToolStripButton();
this.cmdUnderline = new System.Windows.Forms.ToolStripButton();
this.toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
this.lstColors = new System.Windows.Forms.ToolStripDropDownButton();
this.lstFonts = new System.Windows.Forms.ToolStripDropDownButton();
this.lstFontSize = new System.Windows.Forms.ToolStripDropDownButton();
this.toolStripSeparator2 = new System.Windows.Forms.ToolStripSeparator();
this.lstZoom = new System.Windows.Forms.ToolStripDropDownButton();
this.cmdAddImage = new System.Windows.Forms.Button();
this.toolStrip1.SuspendLayout();
this.SuspendLayout();
//
// richTextBox1
//
this.richTextBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.richTextBox1.BulletIndent = 5;
this.richTextBox1.Location = new System.Drawing.Point(12, 37);
this.richTextBox1.Margin = new System.Windows.Forms.Padding(5);
this.richTextBox1.Name = "richTextBox1";
this.richTextBox1.Size = new System.Drawing.Size(317, 197);
this.richTextBox1.TabIndex = 0;
this.richTextBox1.Text = "adfasdf";
this.richTextBox1.SelectionChanged += new System.EventHandler(this.richTextBox1_SelectionChanged);
//
// toolStrip1
//
this.toolStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.cmdBold,
this.cmdItalic,
this.cmdUnderline,
this.toolStripSeparator1,
this.lstColors,
this.lstFonts,
this.lstFontSize,
this.toolStripSeparator2,
this.lstZoom});
this.toolStrip1.Location = new System.Drawing.Point(0, 0);
this.toolStrip1.Name = "toolStrip1";
this.toolStrip1.Size = new System.Drawing.Size(341, 25);
this.toolStrip1.TabIndex = 1;
this.toolStrip1.Text = "toolStrip1";
//
// cmdBold
//
this.cmdBold.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.cmdBold.ImageTransparentColor = System.Drawing.Color.Magenta;
this.cmdBold.Name = "cmdBold";
this.cmdBold.Size = new System.Drawing.Size(31, 22);
this.cmdBold.Text = "Bold";
this.cmdBold.Click += new System.EventHandler(this.cmdBold_Click);
//
// cmdItalic
//
this.cmdItalic.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.cmdItalic.ImageTransparentColor = System.Drawing.Color.Magenta;
this.cmdItalic.Name = "cmdItalic";
this.cmdItalic.Size = new System.Drawing.Size(34, 22);
this.cmdItalic.Text = "Italic";
this.cmdItalic.Click += new System.EventHandler(this.cmdItalic_Click);
//
// cmdUnderline
//
this.cmdUnderline.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.cmdUnderline.ImageTransparentColor = System.Drawing.Color.Magenta;
this.cmdUnderline.Name = "cmdUnderline";
this.cmdUnderline.Size = new System.Drawing.Size(56, 22);
this.cmdUnderline.Text = "Underline";
this.cmdUnderline.Click += new System.EventHandler(this.cmdUnderline_Click);
//
// toolStripSeparator1
//
this.toolStripSeparator1.Name = "toolStripSeparator1";
this.toolStripSeparator1.Size = new System.Drawing.Size(6, 25);
//
// lstColors
//
this.lstColors.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstColors.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstColors.Name = "lstColors";
this.lstColors.Size = new System.Drawing.Size(45, 22);
this.lstColors.Text = "Color";
this.lstColors.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstColors_DropDownItemClicked);
//
// lstFonts
//
this.lstFonts.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstFonts.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstFonts.Name = "lstFonts";
this.lstFonts.Size = new System.Drawing.Size(42, 22);
this.lstFonts.Text = "Font";
this.lstFonts.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstFonts_DropDownItemClicked);
//
// lstFontSize
//
this.lstFontSize.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstFontSize.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstFontSize.Name = "lstFontSize";
this.lstFontSize.Size = new System.Drawing.Size(39, 22);
this.lstFontSize.Text = "Size";
this.lstFontSize.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstFontSize_DropDownItemClicked);
//
// toolStripSeparator2
//
this.toolStripSeparator2.Name = "toolStripSeparator2";
this.toolStripSeparator2.Size = new System.Drawing.Size(6, 25);
//
// lstZoom
//
this.lstZoom.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstZoom.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstZoom.Name = "lstZoom";
this.lstZoom.Size = new System.Drawing.Size(46, 22);
this.lstZoom.Text = "Zoom";
this.lstZoom.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstZoom_DropDownItemClicked);
//
// cmdAddImage
//
this.cmdAddImage.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
this.cmdAddImage.Location = new System.Drawing.Point(12, 237);
this.cmdAddImage.Name = "cmdAddImage";
this.cmdAddImage.Size = new System.Drawing.Size(154, 23);
this.cmdAddImage.TabIndex = 2;
this.cmdAddImage.Text = "Insert Image";
this.cmdAddImage.UseVisualStyleBackColor = true;
this.cmdAddImage.Click += new System.EventHandler(this.cmdAddImage_Click);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(341, 266);
this.Controls.Add(this.cmdAddImage);
this.Controls.Add(this.toolStrip1);
this.Controls.Add(this.richTextBox1);
this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.Name = "Form1";
this.Text = "RichTextBox Test";
this.Load += new System.EventHandler(this.Form1_Load);
this.toolStrip1.ResumeLayout(false);
this.toolStrip1.PerformLayout();
this.ResumeLayout(false);
this.PerformLayout();
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
</source>
RichTextBox Zooming
<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; using System.Diagnostics; public class Form1 : System.Windows.Forms.Form {
private System.Windows.Forms.RichTextBox richTextBox1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
public Form1() {
this.richTextBox1 = new System.Windows.Forms.RichTextBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.SuspendLayout();
this.richTextBox1.Location = new System.Drawing.Point(8, 8);
this.richTextBox1.Name = "richTextBox1";
this.richTextBox1.Size = new System.Drawing.Size(272, 232);
this.richTextBox1.TabIndex = 0;
this.richTextBox1.Text = "";
this.richTextBox1.LinkClicked += new System.Windows.Forms.LinkClickedEventHandler(this.richTextBox1_LinkClicked);
this.button1.Location = new System.Drawing.Point(24, 256);
this.button1.Text = "Zoom Out";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
this.button2.Location = new System.Drawing.Point(192, 256);
this.button2.Text = "Zoom In";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
this.button3.Location = new System.Drawing.Point(112, 296);
this.button3.Text = "Normal";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 333);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.button3, this.button2, this.button1, this.richTextBox1});
this.Text = "RichTextBox Zooming";
this.ResumeLayout(false);
}
[STAThread]
static void Main() {
Application.Run(new Form1());
}
private void button1_Click(object sender, System.EventArgs e) {
float zoom = richTextBox1.ZoomFactor;
if (zoom / 2 > 0.015625)
richTextBox1.ZoomFactor = zoom / 2;
}
private void button2_Click(object sender, System.EventArgs e) {
float zoom = richTextBox1.ZoomFactor;
if (zoom * 2 < 64)
richTextBox1.ZoomFactor = zoom * 2;
}
private void button3_Click(object sender, System.EventArgs e) {
richTextBox1.ZoomFactor = 1f;
}
private void richTextBox1_LinkClicked(object sender, System.Windows.Forms.LinkClickedEventArgs e) {
Process p = new Process();
p.StartInfo.FileName = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE";
p.StartInfo.Arguments = e.LinkText;
p.Start();
}
}
</source>
RTFBox Test
<source lang="csharp"> /* Professional Windows GUI Programming Using C# by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury,
Zach Greenvoss, Shripad Kulkarni, Neil Whitlow
Publisher: Peer Information ISBN: 1861007663
- /
using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; using System.Diagnostics; namespace RTFBoxTest {
/// <summary>
/// Summary description for RTFBoxTest.
/// </summary>
public class RTFBoxTest : System.Windows.Forms.Form
{
private System.Windows.Forms.RichTextBox richTextBox1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ruponentModel.Container components = null;
public RTFBoxTest()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.richTextBox1 = new System.Windows.Forms.RichTextBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// richTextBox1
//
this.richTextBox1.Location = new System.Drawing.Point(8, 8);
this.richTextBox1.Name = "richTextBox1";
this.richTextBox1.Size = new System.Drawing.Size(272, 232);
this.richTextBox1.TabIndex = 0;
this.richTextBox1.Text = "";
this.richTextBox1.LinkClicked += new System.Windows.Forms.LinkClickedEventHandler(this.richTextBox1_LinkClicked);
//
// button1
//
this.button1.Location = new System.Drawing.Point(24, 256);
this.button1.Name = "button1";
this.button1.TabIndex = 1;
this.button1.Text = "Zoom Out";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(192, 256);
this.button2.Name = "button2";
this.button2.TabIndex = 2;
this.button2.Text = "Zoom In";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Location = new System.Drawing.Point(112, 296);
this.button3.Name = "button3";
this.button3.TabIndex = 3;
this.button3.Text = "Normal";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// RTFBoxTest
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 333);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.button3,
this.button2,
this.button1,
this.richTextBox1});
this.Name = "RTFBoxTest";
this.Text = "RichTextBox Zooming";
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new RTFBoxTest());
}
private void button1_Click(object sender, System.EventArgs e)
{
float zoom = richTextBox1.ZoomFactor;
if (zoom / 2 > 0.015625)
richTextBox1.ZoomFactor = zoom / 2;
}
private void button2_Click(object sender, System.EventArgs e)
{
float zoom = richTextBox1.ZoomFactor;
if (zoom * 2 < 64)
richTextBox1.ZoomFactor = zoom * 2;
}
private void button3_Click(object sender, System.EventArgs e)
{
richTextBox1.ZoomFactor = 1f;
}
private void richTextBox1_LinkClicked(object sender, System.Windows.Forms.LinkClickedEventArgs e)
{
Process p = new Process();
p.StartInfo.FileName = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE";
p.StartInfo.Arguments = e.LinkText;
p.Start();
}
}
}
</source>
<A href="http://www.nfex.ru/Code/CSharpDownload/RTFBoxTest.zip">RTFBoxTest.zip( 21 k)</a>
Set Font size, family for a RichTextBox
<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.IO; using System.Drawing.Text; public class Form1 : Form {
private System.Windows.Forms.RichTextBox richTextBox1;
private System.Windows.Forms.ToolStrip toolStrip1;
private System.Windows.Forms.ToolStripButton cmdUnderline;
private System.Windows.Forms.ToolStripButton cmdBold;
private System.Windows.Forms.ToolStripButton cmdItalic;
private System.Windows.Forms.ToolStripSeparator toolStripSeparator1;
private System.Windows.Forms.ToolStripDropDownButton lstColors;
private System.Windows.Forms.ToolStripDropDownButton lstFonts;
private System.Windows.Forms.ToolStripDropDownButton lstZoom;
private System.Windows.Forms.ToolStripDropDownButton lstFontSize;
private System.Windows.Forms.ToolStripSeparator toolStripSeparator2;
private System.Windows.Forms.Button cmdAddImage;
public Form1() {
InitializeComponent();
}
private void richTextBox1_SelectionChanged(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont != null)
{
cmdBold.Checked = richTextBox1.SelectionFont.Bold;
cmdItalic.Checked = richTextBox1.SelectionFont.Italic;
cmdUnderline.Checked = richTextBox1.SelectionFont.Underline;
}
}
private void cmdBold_Click(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
FontStyle style = richTextBox1.SelectionFont.Style;
if (richTextBox1.SelectionFont.Bold)
{
style &= ~FontStyle.Bold;
}
else
{
style |= FontStyle.Bold;
}
richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style);
}
private void cmdItalic_Click(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
FontStyle style = richTextBox1.SelectionFont.Style;
if (richTextBox1.SelectionFont.Italic)
{
style &= ~FontStyle.Italic;
}
else
{
style |= FontStyle.Italic;
}
richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style);
}
private void cmdUnderline_Click(object sender, EventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
FontStyle style = richTextBox1.SelectionFont.Style;
if (richTextBox1.SelectionFont.Underline)
{
style &= ~FontStyle.Underline;
}
else
{
style |= FontStyle.Underline;
}
richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style);
}
private void Form1_Load(object sender, EventArgs e)
{
lstColors.DropDown.Items.Add("Red");
lstColors.DropDown.Items.Add("Blue");
InstalledFontCollection fonts = new InstalledFontCollection();
foreach (FontFamily family in fonts.Families)
{
lstFonts.DropDown.Items.Add(family.Name);
}
lstZoom.DropDown.Items.Add("300%");
lstZoom.DropDown.Items.Add("200%");
lstZoom.DropDown.Items.Add("100%");
lstFontSize.DropDown.Items.Add("8");
lstFontSize.DropDown.Items.Add("10");
lstFontSize.DropDown.Items.Add("12");
}
private void lstColors_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
KnownColor selectedColor;
selectedColor = (KnownColor)System.Enum.Parse(typeof(KnownColor), e.ClickedItem.Text);
richTextBox1.SelectionColor = Color.FromKnownColor(selectedColor);
}
private void lstFonts_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
richTextBox1.SelectionFont = new Font(e.ClickedItem.Text, richTextBox1.Font.Size);
}
richTextBox1.SelectionFont = new Font(e.ClickedItem.Text, richTextBox1.SelectionFont.Size);
}
private void lstZoom_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
float zoomPercent = Convert.ToSingle(e.ClickedItem.Text.Trim("%"));
richTextBox1.ZoomFactor = zoomPercent / 100;
}
private void lstFontSize_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
if (richTextBox1.SelectionFont == null)
{
return;
}
richTextBox1.SelectionFont =new Font(richTextBox1.SelectionFont.FontFamily,
Convert.ToInt32(e.ClickedItem.Text),
richTextBox1.SelectionFont.Style);
}
private void cmdAddImage_Click(object sender, EventArgs e)
{
Image img = Image.FromFile("winter.jpg");
Clipboard.SetImage(img);
richTextBox1.SelectionStart = 0;
richTextBox1.Paste();
Clipboard.Clear();
}
private void InitializeComponent()
{
this.richTextBox1 = new System.Windows.Forms.RichTextBox();
this.toolStrip1 = new System.Windows.Forms.ToolStrip();
this.cmdBold = new System.Windows.Forms.ToolStripButton();
this.cmdItalic = new System.Windows.Forms.ToolStripButton();
this.cmdUnderline = new System.Windows.Forms.ToolStripButton();
this.toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
this.lstColors = new System.Windows.Forms.ToolStripDropDownButton();
this.lstFonts = new System.Windows.Forms.ToolStripDropDownButton();
this.lstFontSize = new System.Windows.Forms.ToolStripDropDownButton();
this.toolStripSeparator2 = new System.Windows.Forms.ToolStripSeparator();
this.lstZoom = new System.Windows.Forms.ToolStripDropDownButton();
this.cmdAddImage = new System.Windows.Forms.Button();
this.toolStrip1.SuspendLayout();
this.SuspendLayout();
//
// richTextBox1
//
this.richTextBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.richTextBox1.BulletIndent = 5;
this.richTextBox1.Location = new System.Drawing.Point(12, 37);
this.richTextBox1.Margin = new System.Windows.Forms.Padding(5);
this.richTextBox1.Name = "richTextBox1";
this.richTextBox1.Size = new System.Drawing.Size(317, 197);
this.richTextBox1.TabIndex = 0;
this.richTextBox1.Text = "adfasdf";
this.richTextBox1.SelectionChanged += new System.EventHandler(this.richTextBox1_SelectionChanged);
//
// toolStrip1
//
this.toolStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.cmdBold,
this.cmdItalic,
this.cmdUnderline,
this.toolStripSeparator1,
this.lstColors,
this.lstFonts,
this.lstFontSize,
this.toolStripSeparator2,
this.lstZoom});
this.toolStrip1.Location = new System.Drawing.Point(0, 0);
this.toolStrip1.Name = "toolStrip1";
this.toolStrip1.Size = new System.Drawing.Size(341, 25);
this.toolStrip1.TabIndex = 1;
this.toolStrip1.Text = "toolStrip1";
//
// cmdBold
//
this.cmdBold.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.cmdBold.ImageTransparentColor = System.Drawing.Color.Magenta;
this.cmdBold.Name = "cmdBold";
this.cmdBold.Size = new System.Drawing.Size(31, 22);
this.cmdBold.Text = "Bold";
this.cmdBold.Click += new System.EventHandler(this.cmdBold_Click);
//
// cmdItalic
//
this.cmdItalic.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.cmdItalic.ImageTransparentColor = System.Drawing.Color.Magenta;
this.cmdItalic.Name = "cmdItalic";
this.cmdItalic.Size = new System.Drawing.Size(34, 22);
this.cmdItalic.Text = "Italic";
this.cmdItalic.Click += new System.EventHandler(this.cmdItalic_Click);
//
// cmdUnderline
//
this.cmdUnderline.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.cmdUnderline.ImageTransparentColor = System.Drawing.Color.Magenta;
this.cmdUnderline.Name = "cmdUnderline";
this.cmdUnderline.Size = new System.Drawing.Size(56, 22);
this.cmdUnderline.Text = "Underline";
this.cmdUnderline.Click += new System.EventHandler(this.cmdUnderline_Click);
//
// toolStripSeparator1
//
this.toolStripSeparator1.Name = "toolStripSeparator1";
this.toolStripSeparator1.Size = new System.Drawing.Size(6, 25);
//
// lstColors
//
this.lstColors.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstColors.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstColors.Name = "lstColors";
this.lstColors.Size = new System.Drawing.Size(45, 22);
this.lstColors.Text = "Color";
this.lstColors.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstColors_DropDownItemClicked);
//
// lstFonts
//
this.lstFonts.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstFonts.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstFonts.Name = "lstFonts";
this.lstFonts.Size = new System.Drawing.Size(42, 22);
this.lstFonts.Text = "Font";
this.lstFonts.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstFonts_DropDownItemClicked);
//
// lstFontSize
//
this.lstFontSize.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstFontSize.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstFontSize.Name = "lstFontSize";
this.lstFontSize.Size = new System.Drawing.Size(39, 22);
this.lstFontSize.Text = "Size";
this.lstFontSize.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstFontSize_DropDownItemClicked);
//
// toolStripSeparator2
//
this.toolStripSeparator2.Name = "toolStripSeparator2";
this.toolStripSeparator2.Size = new System.Drawing.Size(6, 25);
//
// lstZoom
//
this.lstZoom.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.lstZoom.ImageTransparentColor = System.Drawing.Color.Magenta;
this.lstZoom.Name = "lstZoom";
this.lstZoom.Size = new System.Drawing.Size(46, 22);
this.lstZoom.Text = "Zoom";
this.lstZoom.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstZoom_DropDownItemClicked);
//
// cmdAddImage
//
this.cmdAddImage.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
this.cmdAddImage.Location = new System.Drawing.Point(12, 237);
this.cmdAddImage.Name = "cmdAddImage";
this.cmdAddImage.Size = new System.Drawing.Size(154, 23);
this.cmdAddImage.TabIndex = 2;
this.cmdAddImage.Text = "Insert Image";
this.cmdAddImage.UseVisualStyleBackColor = true;
this.cmdAddImage.Click += new System.EventHandler(this.cmdAddImage_Click);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(341, 266);
this.Controls.Add(this.cmdAddImage);
this.Controls.Add(this.toolStrip1);
this.Controls.Add(this.richTextBox1);
this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.Name = "Form1";
this.Text = "RichTextBox Test";
this.Load += new System.EventHandler(this.Form1_Load);
this.toolStrip1.ResumeLayout(false);
this.toolStrip1.PerformLayout();
this.ResumeLayout(false);
this.PerformLayout();
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
</source>
