/*
 * A simple C# program that demonstrates how cut/copy/paste works.
 *
 * Ben Bederson, May 3, 2002
 *
 */
using System;
using System.Windows.Forms;

public class CopyPasteExample : Form {
    MainMenu menuBar;
    TextBox textArea;

    public CopyPasteExample() {
	// Create a menu
	menuBar = new MainMenu();
	MenuItem fileMenu = new MenuItem("File");
	fileMenu.MenuItems.Add(new MenuItem("Exit", new EventHandler(FileExit_Click)));
	MenuItem editMenu = new MenuItem("Edit");
	editMenu.MenuItems.Add(new MenuItem("Cut", new EventHandler(EditCut_Click)));
	editMenu.MenuItems.Add(new MenuItem("Copy", new EventHandler(EditCopy_Click)));
	editMenu.MenuItems.Add(new MenuItem("Paste", new EventHandler(EditPaste_Click)));

	menuBar.MenuItems.Add(fileMenu);
	menuBar.MenuItems.Add(editMenu);

        // Create a text box 
	textArea = new TextBox();
        textArea.Multiline = true;
        textArea.AcceptsReturn = true;
        textArea.WordWrap = false;
        textArea.ScrollBars = ScrollBars.Both;
        textArea.Dock = DockStyle.Fill;
		
	// Set up the GUI
        Menu = menuBar;
	Controls.Add(textArea);
    }

    private void FileExit_Click(object sender, EventArgs e) {
        Close();
    }

    private void EditCut_Click(object sender, EventArgs e) {
	cut();
    }

    private void EditCopy_Click(object sender, EventArgs e) {
	copy();
    }

    private void EditPaste_Click(object sender, EventArgs e) {
        IDataObject iData = Clipboard.GetDataObject();
	paste(iData);
    }

    public void cut() {
	copy();
        textArea.SelectedText = "";	// deleteSelection();
    }

    public void copy() {
        Clipboard.SetDataObject(textArea.SelectedText);
    }

    public void paste(IDataObject iData) {
	string str = (String)iData.GetData(DataFormats.Text);
	textArea.SelectedText = str;
    }

    public static void Main(String[] args) {
	Application.Run(new CopyPasteExample());
    }
}