Csharp/C Sharp/GUI Windows Form/Clipboard
Содержание
Clipboard Viewer (All Formats)
<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>
Clip Text
<source lang="csharp">
using System; using System.Drawing; using System.Windows.Forms;
class ClipText: Form {
string strText = "Sample text";
MenuItem miCut, miCopy, miPaste;
public static void Main()
{
Application.Run(new ClipText());
}
public ClipText()
{
ResizeRedraw = true;
Menu = new MainMenu();
MenuItem mi = new MenuItem("&Edit");
mi.Popup += new EventHandler(MenuEditOnPopup);
Menu.MenuItems.Add(mi);
miCut = new MenuItem("Cu&t");
miCut.Click += new EventHandler(MenuEditCutOnClick);
miCut.Shortcut = Shortcut.CtrlX;
Menu.MenuItems[0].MenuItems.Add(miCut);
miCopy = new MenuItem("&Copy");
miCopy.Click += new EventHandler(MenuEditCopyOnClick);
miCopy.Shortcut = Shortcut.CtrlC;
Menu.MenuItems[0].MenuItems.Add(miCopy);
miPaste = new MenuItem("&Paste");
miPaste.Click += new EventHandler(MenuEditPasteOnClick);
miPaste.Shortcut = Shortcut.CtrlV;
Menu.MenuItems[0].MenuItems.Add(miPaste);
}
void MenuEditOnPopup(object obj, EventArgs ea)
{
miCut.Enabled = miCopy.Enabled = strText.Length > 0;
miPaste.Enabled = Clipboard.GetDataObject().GetDataPresent(typeof(string));
}
void MenuEditCutOnClick(object obj, EventArgs ea)
{
MenuEditCopyOnClick(obj, ea);
strText = "";
Invalidate();
}
void MenuEditCopyOnClick(object obj, EventArgs ea)
{
Clipboard.SetDataObject(strText, true);
}
void MenuEditPasteOnClick(object obj, EventArgs ea)
{
IDataObject data = Clipboard.GetDataObject();
if (data.GetDataPresent(typeof(string)))
strText = (string) data.GetData(typeof(string));
Invalidate();
}
protected override void OnPaint(PaintEventArgs pea)
{
Graphics grfx = pea.Graphics;
StringFormat strfmt = new StringFormat();
strfmt.Alignment = strfmt.LineAlignment = StringAlignment.Center;
grfx.DrawString(strText, Font, new SolidBrush(ForeColor),
ClientRectangle, strfmt);
}
}
</source>
Copying from the Clipboard.
<source lang="csharp">
using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Data; using System.Windows.Forms; public class MainClass {
public static void Main(string[] args) {
IDataObject iData = Clipboard.GetDataObject();
if (iData.GetDataPresent(DataFormats.Text)) {
Console.WriteLine((String)iData.GetData(DataFormats.Text));
}
if (iData.GetDataPresent(DataFormats.Bitmap)) {
Image img = (Bitmap)iData.GetData(DataFormats.Bitmap);
}
}
}
</source>
Copying to the Clipboard.
<source lang="csharp">
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Data;
using System.Windows.Forms;
public class MainClass
{
public static void Main(string[] args)
{
Clipboard.SetDataObject("data");
}
}
</source>
Image Clip
<source lang="csharp">
using System; using System.Drawing; using System.Drawing.Imaging; using System.Windows.Forms; class ImageClip : Form {
MenuItem miCut, miCopy, miPaste, miDel;
Image image;
public static void Main() {
Application.Run(new ImageClip());
}
public ImageClip() {
Text = "Image Clip";
MenuItem mi = new MenuItem("&Edit");
mi.Popup += new EventHandler(MenuEditOnPopup);
Menu.MenuItems.Add(mi);
int index = Menu.MenuItems.Count - 1;
miCut = new MenuItem("Cu&t");
miCut.Click += new EventHandler(MenuEditCutOnClick);
miCut.Shortcut = Shortcut.CtrlX;
Menu.MenuItems[index].MenuItems.Add(miCut);
miCopy = new MenuItem("&Copy");
miCopy.Click += new EventHandler(MenuEditCopyOnClick);
miCopy.Shortcut = Shortcut.CtrlC;
Menu.MenuItems[index].MenuItems.Add(miCopy);
miPaste = new MenuItem("&Paste");
miPaste.Click += new EventHandler(MenuEditPasteOnClick);
miPaste.Shortcut = Shortcut.CtrlV;
Menu.MenuItems[index].MenuItems.Add(miPaste);
miDel = new MenuItem("De&lete");
miDel.Click += new EventHandler(MenuEditDelOnClick);
miDel.Shortcut = Shortcut.Del;
Menu.MenuItems[index].MenuItems.Add(miDel);
}
void MenuEditOnPopup(object obj, EventArgs ea) {
miCut.Enabled = miCopy.Enabled = miDel.Enabled = image != null;
IDataObject data = Clipboard.GetDataObject();
miPaste.Enabled = data.GetDataPresent(typeof(Bitmap)) || data.GetDataPresent(typeof(Metafile));
}
void MenuEditCutOnClick(object obj, EventArgs ea) {
MenuEditCopyOnClick(obj, ea);
MenuEditDelOnClick(obj, ea);
}
void MenuEditCopyOnClick(object obj, EventArgs ea) {
Clipboard.SetDataObject(image, true);
}
void MenuEditPasteOnClick(object obj, EventArgs ea) {
IDataObject data = Clipboard.GetDataObject();
if (data.GetDataPresent(typeof(Metafile)))
image = (Image)data.GetData(typeof(Metafile));
else if (data.GetDataPresent(typeof(Bitmap)))
image = (Image)data.GetData(typeof(Bitmap));
Invalidate();
}
void MenuEditDelOnClick(object obj, EventArgs ea) {
image = null;
Invalidate();
}
}
</source>
Rich-Text Paste
<source lang="csharp">
using System; using System.Drawing; using System.IO; using System.Windows.Forms;
class RichTextPaste: Form {
string strPastedText = "";
MenuItem miPastePlain, miPasteRTF, miPasteHTML, miPasteCSV;
public static void Main()
{
Application.Run(new RichTextPaste());
}
public RichTextPaste()
{
ResizeRedraw = true;
Menu = new MainMenu();
MenuItem mi = new MenuItem("&Edit");
mi.Popup += new EventHandler(MenuEditOnPopup);
Menu.MenuItems.Add(mi);
miPastePlain = new MenuItem("Paste &Plain Text");
miPastePlain.Click += new EventHandler(MenuEditPastePlainOnClick);
Menu.MenuItems[0].MenuItems.Add(miPastePlain);
miPasteRTF = new MenuItem("Paste &Rich Text Format");
miPasteRTF.Click += new EventHandler(MenuEditPasteRTFOnClick);
Menu.MenuItems[0].MenuItems.Add(miPasteRTF);
miPasteHTML = new MenuItem("Paste &HTML");
miPasteHTML.Click += new EventHandler(MenuEditPasteHTMLOnClick);
Menu.MenuItems[0].MenuItems.Add(miPasteHTML);
miPasteCSV = new MenuItem("Paste &Comma-Separated Values");
miPasteCSV.Click += new EventHandler(MenuEditPasteCSVOnClick);
Menu.MenuItems[0].MenuItems.Add(miPasteCSV);
}
void MenuEditOnPopup(object obj, EventArgs ea)
{
miPastePlain.Enabled = Clipboard.GetDataObject().GetDataPresent(typeof(string));
miPasteRTF.Enabled = Clipboard.GetDataObject().GetDataPresent(DataFormats.Rtf);
miPasteHTML.Enabled = Clipboard.GetDataObject().GetDataPresent(DataFormats.Html);
miPasteCSV.Enabled = Clipboard.GetDataObject().GetDataPresent(DataFormats.rumaSeparatedValue);
}
void MenuEditPastePlainOnClick(object obj, EventArgs ea)
{
IDataObject data = Clipboard.GetDataObject();
if (data.GetDataPresent(typeof(string)))
{
strPastedText = (string) data.GetData(typeof(string));
Invalidate();
}
}
void MenuEditPasteRTFOnClick(object obj, EventArgs ea)
{
IDataObject data = Clipboard.GetDataObject();
if (data.GetDataPresent(DataFormats.Rtf))
{
strPastedText = (string) data.GetData(DataFormats.Rtf);
Invalidate();
}
}
void MenuEditPasteHTMLOnClick(object obj, EventArgs ea)
{
IDataObject data = Clipboard.GetDataObject();
if (data.GetDataPresent(DataFormats.Html))
{
strPastedText = (string) data.GetData(DataFormats.Html);
Invalidate();
}
}
void MenuEditPasteCSVOnClick(object obj, EventArgs ea)
{
IDataObject data = Clipboard.GetDataObject();
if (data.GetDataPresent(DataFormats.rumaSeparatedValue))
{
MemoryStream memstr = (MemoryStream) data.GetData("Csv");
StreamReader streamreader = new StreamReader(memstr);
strPastedText = streamreader.ReadToEnd();
Invalidate();
}
}
protected override void OnPaint(PaintEventArgs pea)
{
pea.Graphics.DrawString(strPastedText, Font, new SolidBrush(ForeColor),
ClientRectangle);
}
}
</source>
