Csharp/C Sharp by API/System.Windows.Forms/Panel
Содержание
extends Panel
<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Drawing; using System.Data; using System.Text; using System.Windows.Forms; public class ScrollingText : System.Windows.Forms.Panel {
Font textFont = new Font("Times New Roman", 24);
public ScrollingText() {
InitializeComponent();
}
private void ScrollingText_Paint(object sender, PaintEventArgs e) {
Graphics g = e.Graphics;
g.TranslateTransform(this.AutoScrollPosition.X, this.AutoScrollPosition.Y);
g.DrawString("Hello, World", textFont, Brushes.Black, 40, 40);
g.DrawString("Hello, World", textFont, Brushes.Red, 40, 240);
g.DrawString("Hello, World", textFont, Brushes.Blue, 350, 40);
g.DrawString("Hello, World", textFont, Brushes.Green, 350, 240);
}
private void InitializeComponent() {
this.SuspendLayout();
this.AutoScroll = true;
this.AutoScrollMinSize = new System.Drawing.Size(600, 400);
this.BackColor = System.Drawing.SystemColors.Window;
this.Paint += new System.Windows.Forms.PaintEventHandler(this.ScrollingText_Paint);
this.ResumeLayout(false);
}
} public class Form1 : Form {
public Form1() {
InitializeComponent();
}
private void InitializeComponent() {
this.scrollingText1 = new ScrollingText();
this.SuspendLayout();
this.scrollingText1.AutoScroll = true;
this.scrollingText1.AutoScrollMinSize = new System.Drawing.Size(600, 400);
this.scrollingText1.BackColor = System.Drawing.SystemColors.Window;
this.scrollingText1.Location = new System.Drawing.Point(13, 13);
this.scrollingText1.Size = new System.Drawing.Size(267, 243);
this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(292, 268);
this.Controls.Add(this.scrollingText1);
this.ResumeLayout(false);
}
private ScrollingText scrollingText1;
[STAThread]
static void Main() {
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
</source>
new Panel()
<source lang="csharp"> using System; using System.Drawing; using System.Drawing.Imaging; using System.IO; using System.Windows.Forms; class ClipViewAll : Form {
Panel panelDisplay, panelButtons;
RadioButton radioChecked;
string[] astrFormatsSave = new string[0];
public static void Main() {
Application.Run(new ClipViewAll());
}
public ClipViewAll() {
panelDisplay = new Panel();
panelDisplay.Parent = this;
panelDisplay.Dock = DockStyle.Fill;
panelDisplay.Paint += new PaintEventHandler(PanelOnPaint);
panelDisplay.BorderStyle = BorderStyle.Fixed3D;
Splitter split = new Splitter();
split.Parent = this;
split.Dock = DockStyle.Left;
panelButtons = new Panel();
panelButtons.Parent = this;
panelButtons.Dock = DockStyle.Left;
panelButtons.AutoScroll = true;
panelButtons.Width = Width / 2;
Timer timer = new Timer();
timer.Interval = 1000;
timer.Tick += new EventHandler(TimerOnTick);
timer.Enabled = true;
}
void TimerOnTick(object obj, EventArgs ea) {
IDataObject data = Clipboard.GetDataObject();
string[] astrFormats = data.GetFormats();
bool bUpdate = false;
if (astrFormats.Length != astrFormatsSave.Length)
bUpdate = true;
else {
for (int i = 0; i < astrFormats.Length; i++)
if (astrFormats[i] != astrFormatsSave[i]) {
bUpdate = true;
break;
}
}
panelDisplay.Invalidate();
if (!bUpdate)
return;
astrFormatsSave = astrFormats;
panelButtons.Controls.Clear();
Graphics grfx = CreateGraphics();
EventHandler eh = new EventHandler(RadioButtonOnClick);
int cxText = AutoScaleBaseSize.Width;
int cyText = AutoScaleBaseSize.Height;
for (int i = 0; i < astrFormats.Length; i++) {
RadioButton radio = new RadioButton();
radio.Parent = panelButtons;
radio.Text = astrFormats[i];
if (!data.GetDataPresent(astrFormats[i], false))
radio.Text += "*";
try {
object objClip = data.GetData(astrFormats[i]);
radio.Text += " (" + objClip.GetType() + ")";
} catch {
radio.Text += " (Exception on GetData or GetType!)";
}
radio.Tag = astrFormats[i];
radio.Location = new Point(cxText, i * 3 * cyText / 2);
radio.Size = new Size((radio.Text.Length + 20) * cxText,
3 * cyText / 2);
radio.Click += eh;
}
grfx.Dispose();
radioChecked = null;
}
void RadioButtonOnClick(object obj, EventArgs ea) {
radioChecked = (RadioButton)obj;
panelDisplay.Invalidate();
}
void PanelOnPaint(object obj, PaintEventArgs pea) {
Panel panel = (Panel)obj;
Graphics grfx = pea.Graphics;
Brush brush = new SolidBrush(panel.ForeColor);
if (radioChecked == null)
return;
IDataObject data = Clipboard.GetDataObject();
object objClip = data.GetData((string)radioChecked.Tag);
if (objClip == null)
return;
else if (objClip.GetType() == typeof(string)) {
grfx.DrawString((string)objClip, Font, brush,
panel.ClientRectangle);
} else if (objClip.GetType() == typeof(string[])) // FileDrop
{
string str = string.Join("\r\n", (string[])objClip);
grfx.DrawString(str, Font, brush, panel.ClientRectangle);
} else if (objClip.GetType() == typeof(Bitmap) ||
objClip.GetType() == typeof(Metafile) ||
objClip.GetType() == typeof(Image)) {
grfx.DrawImage((Image)objClip, 0, 0);
} else if (objClip.GetType() == typeof(MemoryStream)) {
Stream stream = (Stream)objClip;
byte[] abyBuffer = new byte[16];
long lAddress = 0;
int iCount;
Font font = new Font(FontFamily.GenericMonospace,
Font.SizeInPoints);
float y = 0;
while ((iCount = stream.Read(abyBuffer, 0, 16)) > 0) {
lAddress += 16;
}
}
}
}
</source>
Panel.AutoScroll
<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; public class Form1 : Form {
private System.Windows.Forms.Panel Panel1;
private System.Windows.Forms.Button Button6;
private System.Windows.Forms.Button Button5;
private System.Windows.Forms.Button Button4;
private System.Windows.Forms.Button Button3;
private System.Windows.Forms.Button Button2;
private System.Windows.Forms.Button Button1;
public Form1() {
InitializeComponent();
}
private void InitializeComponent()
{
this.Panel1 = new System.Windows.Forms.Panel();
this.Button6 = new System.Windows.Forms.Button();
this.Button5 = new System.Windows.Forms.Button();
this.Button4 = new System.Windows.Forms.Button();
this.Button3 = new System.Windows.Forms.Button();
this.Button2 = new System.Windows.Forms.Button();
this.Button1 = new System.Windows.Forms.Button();
this.Panel1.SuspendLayout();
this.SuspendLayout();
//
// Panel1
//
this.Panel1.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.Panel1.AutoScroll = true;
this.Panel1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
this.Panel1.Controls.Add(this.Button6);
this.Panel1.Controls.Add(this.Button5);
this.Panel1.Controls.Add(this.Button4);
this.Panel1.Controls.Add(this.Button3);
this.Panel1.Controls.Add(this.Button2);
this.Panel1.Controls.Add(this.Button1);
this.Panel1.Location = new System.Drawing.Point(12, 12);
this.Panel1.Name = "Panel1";
this.Panel1.Size = new System.Drawing.Size(218, 198);
this.Panel1.TabIndex = 3;
//
// Button6
//
this.Button6.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.Button6.Location = new System.Drawing.Point(16, 180);
this.Button6.Name = "Button6";
this.Button6.Size = new System.Drawing.Size(168, 24);
this.Button6.TabIndex = 5;
this.Button6.Text = "Button6";
//
// Button5
//
this.Button5.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.Button5.Location = new System.Drawing.Point(16, 148);
this.Button5.Name = "Button5";
this.Button5.Size = new System.Drawing.Size(168, 24);
this.Button5.TabIndex = 4;
this.Button5.Text = "Button5";
//
// Button4
//
this.Button4.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.Button4.Location = new System.Drawing.Point(16, 116);
this.Button4.Name = "Button4";
this.Button4.Size = new System.Drawing.Size(168, 24);
this.Button4.TabIndex = 3;
this.Button4.Text = "Button4";
//
// Button3
//
this.Button3.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.Button3.Location = new System.Drawing.Point(16, 84);
this.Button3.Name = "Button3";
this.Button3.Size = new System.Drawing.Size(168, 24);
this.Button3.TabIndex = 2;
this.Button3.Text = "Button3";
//
// Button2
//
this.Button2.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.Button2.Location = new System.Drawing.Point(16, 52);
this.Button2.Name = "Button2";
this.Button2.Size = new System.Drawing.Size(168, 24);
this.Button2.TabIndex = 1;
this.Button2.Text = "Button2";
//
// Button1
//
this.Button1.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.Button1.Location = new System.Drawing.Point(16, 20);
this.Button1.Name = "Button1";
this.Button1.Size = new System.Drawing.Size(168, 24);
this.Button1.TabIndex = 0;
this.Button1.Text = "Button1";
//
// ScrollablePanel
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(248, 224);
this.Controls.Add(this.Panel1);
this.Name = "ScrollablePanel";
this.Text = "ScrollablePanel";
this.Panel1.ResumeLayout(false);
this.ResumeLayout(false);
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
</source>
Panel.AutoScrollPosition
<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; public class Form1 : Form {
public Form1() {
this.panel1 = new System.Windows.Forms.Panel();
this.SuspendLayout();
this.panel1.AutoScroll = true;
this.panel1.BackgroundImage = new Bitmap("yourfile.bmp");
this.panel1.Location = new System.Drawing.Point(13, 13);
this.panel1.Size = new System.Drawing.Size(267, 243);
this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(292, 268);
this.Controls.Add(this.panel1);
this.Load += new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false); this.panel1.AutoScrollMinSize = this.panel1.BackgroundImage.Size;
}
private void Form1_Load(object sender, EventArgs e) {
int midX = this.panel1.AutoScrollMinSize.Width / 2;
int midY = this.panel1.AutoScrollMinSize.Height / 2;
int halfSizeX = this.panel1.Size.Width / 2;
int halfSizeY = this.panel1.Size.Height / 2;
int startPosX = midX - halfSizeX;
if (startPosX < 0) startPosX = 0;
int startPosY = midY - halfSizeY;
if (startPosY < 0) startPosY = 0;
this.panel1.AutoScrollPosition = new Point(startPosX, startPosY);
}
private System.Windows.Forms.Panel panel1;
[STAThread]
static void Main() {
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
</source>
Panel.Dock
<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;
class ToggleButtons: Form {
protected Panel panel = new Panel();
protected ToolBar tbar;
protected string strText = "Toggle";
protected Color clrText = SystemColors.WindowText;
FontStyle fontstyle = FontStyle.Regular;
public static void Main()
{
Application.Run(new ToggleButtons());
}
public ToggleButtons()
{
panel.Parent = this;
panel.Dock = DockStyle.Fill;
panel.BackColor = SystemColors.Window;
panel.ForeColor = SystemColors.WindowText;
panel.Resize += new EventHandler(PanelOnResize);
panel.Paint += new PaintEventHandler(PanelOnPaint);
Bitmap bm = new Bitmap(GetType(), "ToggleButtons.bmp");
ImageList imglst = new ImageList();
imglst.ImageSize = new Size(bm.Width / 4, bm.Height);
imglst.Images.AddStrip(bm);
imglst.TransparentColor = Color.White;
tbar = new ToolBar();
tbar.ImageList = imglst;
tbar.Parent = this;
tbar.ShowToolTips = true;
tbar.ButtonClick += new ToolBarButtonClickEventHandler(ToolBarOnClick);
FontStyle[] afs = { FontStyle.Bold, FontStyle.Italic,
FontStyle.Underline, FontStyle.Strikeout };
for (int i = 0; i < 4; i++)
{
ToolBarButton tbarbtn = new ToolBarButton();
tbarbtn.ImageIndex = i;
tbarbtn.Style = ToolBarButtonStyle.ToggleButton;
tbarbtn.ToolTipText = afs[i].ToString();
tbarbtn.Tag = afs[i];
tbar.Buttons.Add(tbarbtn);
}
}
void ToolBarOnClick(object obj, ToolBarButtonClickEventArgs tbbcea)
{
ToolBarButton tbarbtn = tbbcea.Button;
if (tbarbtn.Tag == null ||
tbarbtn.Tag.GetType() != typeof(FontStyle))
return;
if (tbarbtn.Pushed)
fontstyle |= (FontStyle) tbarbtn.Tag;
else
fontstyle &= ~(FontStyle) tbarbtn.Tag;
panel.Invalidate();
}
void PanelOnResize(object obj, EventArgs ea)
{
Panel panel = (Panel) obj;
panel.Invalidate();
}
void PanelOnPaint(object obj, PaintEventArgs pea)
{
Panel panel = (Panel) obj;
Graphics grfx = pea.Graphics;
Font font = new Font("Times New Roman", 72, fontstyle);
SizeF sizef = grfx.MeasureString(strText, font);
grfx.DrawString(strText, font, new SolidBrush(clrText),
(panel.Width - sizef.Width) / 2,
(panel.Height - sizef.Height) / 2);
}
}
</source>
Panel.DockPadding.
<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; public class Form1 : Form {
private System.Windows.Forms.GroupBox GroupBox1;
private System.Windows.Forms.Button cmdUpdate;
private System.Windows.Forms.NumericUpDown udDockPaddingForm;
private System.Windows.Forms.NumericUpDown udDockPaddingPanel;
private System.Windows.Forms.ruboBox lstDockPanel;
private System.Windows.Forms.Label Label3;
private System.Windows.Forms.Label Label4;
private System.Windows.Forms.ruboBox lstDockTextBox;
private System.Windows.Forms.Label Label2;
private System.Windows.Forms.Label Label1;
private System.Windows.Forms.Panel pnlDock;
private System.Windows.Forms.TextBox txtDock;
public Form1() {
InitializeComponent();
lstDockPanel.Items.AddRange(Enum.GetNames(Dock.GetType()));
lstDockTextBox.Items.AddRange(Enum.GetNames(Dock.GetType()));
lstDockPanel.Text = Enum.GetName(Dock.GetType(), pnlDock.Dock);
lstDockTextBox.Text = Enum.GetName(Dock.GetType(), lstDockTextBox.Dock);
}
private void cmdUpdate_Click(object sender, EventArgs e)
{
this.DockPadding.All = (int)udDockPaddingForm.Value;
pnlDock.DockPadding.All = (int)udDockPaddingPanel.Value;
TypeConverter converter;
converter = TypeDescriptor.GetConverter(Dock.GetType());
pnlDock.Dock = (DockStyle)converter.ConvertFromString(lstDockPanel.Text);
txtDock.Dock = (DockStyle)converter.ConvertFromString(lstDockTextBox.Text);
}
private void InitializeComponent()
{
this.GroupBox1 = new System.Windows.Forms.GroupBox();
this.cmdUpdate = new System.Windows.Forms.Button();
this.udDockPaddingForm = new System.Windows.Forms.NumericUpDown();
this.udDockPaddingPanel = new System.Windows.Forms.NumericUpDown();
this.lstDockPanel = new System.Windows.Forms.ruboBox();
this.Label3 = new System.Windows.Forms.Label();
this.Label4 = new System.Windows.Forms.Label();
this.lstDockTextBox = new System.Windows.Forms.ruboBox();
this.Label2 = new System.Windows.Forms.Label();
this.Label1 = new System.Windows.Forms.Label();
this.pnlDock = new System.Windows.Forms.Panel();
this.txtDock = new System.Windows.Forms.TextBox();
this.GroupBox1.SuspendLayout();
((System.ruponentModel.ISupportInitialize)(this.udDockPaddingForm)).BeginInit();
((System.ruponentModel.ISupportInitialize)(this.udDockPaddingPanel)).BeginInit();
this.pnlDock.SuspendLayout();
this.SuspendLayout();
//
// GroupBox1
//
this.GroupBox1.Controls.Add(this.cmdUpdate);
this.GroupBox1.Controls.Add(this.udDockPaddingForm);
this.GroupBox1.Controls.Add(this.udDockPaddingPanel);
this.GroupBox1.Controls.Add(this.lstDockPanel);
this.GroupBox1.Controls.Add(this.Label3);
this.GroupBox1.Controls.Add(this.Label4);
this.GroupBox1.Controls.Add(this.lstDockTextBox);
this.GroupBox1.Controls.Add(this.Label2);
this.GroupBox1.Controls.Add(this.Label1);
this.GroupBox1.Location = new System.Drawing.Point(202, 20);
this.GroupBox1.Name = "GroupBox1";
this.GroupBox1.Size = new System.Drawing.Size(284, 224);
this.GroupBox1.TabIndex = 14;
this.GroupBox1.TabStop = false;
this.GroupBox1.Text = "Configure";
//
// cmdUpdate
//
this.cmdUpdate.Location = new System.Drawing.Point(160, 180);
this.cmdUpdate.Name = "cmdUpdate";
this.cmdUpdate.Size = new System.Drawing.Size(84, 24);
this.cmdUpdate.TabIndex = 10;
this.cmdUpdate.Text = "Update";
this.cmdUpdate.Click += new System.EventHandler(this.cmdUpdate_Click);
//
// udDockPaddingForm
//
this.udDockPaddingForm.Increment = new decimal(new int[] {
5,
0,
0,
0});
this.udDockPaddingForm.Location = new System.Drawing.Point(160, 32);
this.udDockPaddingForm.Name = "udDockPaddingForm";
this.udDockPaddingForm.Size = new System.Drawing.Size(52, 21);
this.udDockPaddingForm.TabIndex = 4;
//
// udDockPaddingPanel
//
this.udDockPaddingPanel.Increment = new decimal(new int[] {
5,
0,
0,
0});
this.udDockPaddingPanel.Location = new System.Drawing.Point(160, 56);
this.udDockPaddingPanel.Name = "udDockPaddingPanel";
this.udDockPaddingPanel.Size = new System.Drawing.Size(52, 21);
this.udDockPaddingPanel.TabIndex = 5;
this.udDockPaddingPanel.Value = new decimal(new int[] {
20,
0,
0,
0});
//
// lstDockPanel
//
this.lstDockPanel.DropDownStyle = System.Windows.Forms.ruboBoxStyle.DropDownList;
this.lstDockPanel.FormattingEnabled = true;
this.lstDockPanel.Location = new System.Drawing.Point(156, 100);
this.lstDockPanel.Name = "lstDockPanel";
this.lstDockPanel.Size = new System.Drawing.Size(92, 21);
this.lstDockPanel.TabIndex = 8;
//
// Label3
//
this.Label3.Location = new System.Drawing.Point(16, 104);
this.Label3.Name = "Label3";
this.Label3.Size = new System.Drawing.Size(136, 20);
this.Label3.TabIndex = 6;
this.Label3.Text = "Dock Panel To:";
//
// Label4
//
this.Label4.Location = new System.Drawing.Point(16, 128);
this.Label4.Name = "Label4";
this.Label4.Size = new System.Drawing.Size(136, 20);
this.Label4.TabIndex = 7;
this.Label4.Text = "Dock TextBox To:";
//
// lstDockTextBox
//
this.lstDockTextBox.DropDownStyle = System.Windows.Forms.ruboBoxStyle.DropDownList;
this.lstDockTextBox.FormattingEnabled = true;
this.lstDockTextBox.Location = new System.Drawing.Point(156, 124);
this.lstDockTextBox.Name = "lstDockTextBox";
this.lstDockTextBox.Size = new System.Drawing.Size(92, 21);
this.lstDockTextBox.TabIndex = 9;
//
// Label2
//
this.Label2.Location = new System.Drawing.Point(16, 60);
this.Label2.Name = "Label2";
this.Label2.Size = new System.Drawing.Size(136, 20);
this.Label2.TabIndex = 3;
this.Label2.Text = "Panel\"s DockPadding:";
//
// Label1
//
this.Label1.Location = new System.Drawing.Point(16, 36);
this.Label1.Name = "Label1";
this.Label1.Size = new System.Drawing.Size(136, 20);
this.Label1.TabIndex = 2;
this.Label1.Text = "Form\"s DockPadding:";
//
// pnlDock
//
this.pnlDock.Controls.Add(this.txtDock);
this.pnlDock.Dock = System.Windows.Forms.DockStyle.Left;
this.pnlDock.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.pnlDock.Location = new System.Drawing.Point(0, 0);
this.pnlDock.Name = "pnlDock";
this.pnlDock.Padding = new System.Windows.Forms.Padding(20);
this.pnlDock.Size = new System.Drawing.Size(224, 314);
this.pnlDock.TabIndex = 13;
//
// txtDock
//
this.txtDock.Dock = System.Windows.Forms.DockStyle.Left;
this.txtDock.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.txtDock.Location = new System.Drawing.Point(20, 20);
this.txtDock.Multiline = true;
this.txtDock.Name = "txtDock";
this.txtDock.Size = new System.Drawing.Size(108, 274);
this.txtDock.TabIndex = 0;
this.txtDock.Text = "This is a TextBox.";
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(497, 314);
this.Controls.Add(this.GroupBox1);
this.Controls.Add(this.pnlDock);
this.Text = "Docking At Work";
this.GroupBox1.ResumeLayout(false);
((System.ruponentModel.ISupportInitialize)(this.udDockPaddingForm)).EndInit();
((System.ruponentModel.ISupportInitialize)(this.udDockPaddingPanel)).EndInit();
this.pnlDock.ResumeLayout(false);
this.pnlDock.PerformLayout();
this.ResumeLayout(false);
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
</source>
Panel.Paint
<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;
class SplitTwoProportional: Form {
Panel panel2;
float fProportion = 0.5f;
public static void Main()
{
Application.Run(new SplitTwoProportional());
}
public SplitTwoProportional()
{
Text = "";
Panel panel1 = new Panel();
panel1.Parent = this;
panel1.Dock = DockStyle.Fill;
panel1.BackColor = Color.Red;
panel1.Resize += new EventHandler(PanelOnResize);
panel1.Paint += new PaintEventHandler(PanelOnPaint);
Splitter split = new Splitter();
split.Parent = this;
split.Dock = DockStyle.Left;
split.SplitterMoving += new SplitterEventHandler(SplitterOnMoving);
panel2 = new Panel();
panel2.Parent = this;
panel2.Dock = DockStyle.Left;
panel2.BackColor = Color.Lime;
panel2.Resize += new EventHandler(PanelOnResize);
panel2.Paint += new PaintEventHandler(PanelOnPaint);
OnResize(EventArgs.Empty);
}
protected override void OnResize(EventArgs ea)
{
base.OnResize(ea);
panel2.Width = (int) (fProportion * ClientSize.Width);
}
void SplitterOnMoving(object obj, SplitterEventArgs sea)
{
fProportion = (float) sea.SplitX / ClientSize.Width;
}
void PanelOnResize(object obj, EventArgs ea)
{
((Panel) obj).Invalidate();
}
void PanelOnPaint(object obj, PaintEventArgs pea)
{
Panel panel = (Panel) obj;
Graphics grfx = pea.Graphics;
grfx.DrawEllipse(Pens.Black, 0, 0,
panel.Width - 1, panel.Height - 1);
}
}
</source>
Panel.Resize
<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;
class SplitThreeFrames: Form {
public static void Main()
{
Application.Run(new SplitThreeFrames());
}
public SplitThreeFrames()
{
Panel panel = new Panel();
panel.Parent = this;
panel.Dock = DockStyle.Fill;
Splitter split1 = new Splitter();
split1.Parent = this;
split1.Dock = DockStyle.Left;
Panel panel1 = new Panel();
panel1.Parent = this;
panel1.Dock = DockStyle.Left;
panel1.BackColor = Color.Lime;
panel1.Resize += new EventHandler(PanelOnResize);
panel1.Paint += new PaintEventHandler(PanelOnPaint);
Panel panel2 = new Panel();
panel2.Parent = panel;
panel2.Dock = DockStyle.Fill;
panel2.BackColor = Color.Blue;
panel2.Resize += new EventHandler(PanelOnResize);
panel2.Paint += new PaintEventHandler(PanelOnPaint);
Splitter split2 = new Splitter();
split2.Parent = panel;
split2.Dock = DockStyle.Top;
Panel panel3 = new Panel();
panel3.Parent = panel;
panel3.Dock = DockStyle.Top;
panel3.BackColor = Color.Tan;
panel3.Resize += new EventHandler(PanelOnResize);
panel3.Paint += new PaintEventHandler(PanelOnPaint);
panel1.Width = ClientSize.Width / 3;
panel3.Height = ClientSize.Height / 3;
}
void PanelOnResize(object obj, EventArgs ea)
{
((Panel) obj).Invalidate();
}
void PanelOnPaint(object obj, PaintEventArgs pea)
{
Panel panel = (Panel) obj;
Graphics grfx = pea.Graphics;
grfx.DrawEllipse(Pens.Black, 0, 0,
panel.Width - 1, panel.Height - 1);
}
}
</source>
