main.cs

CSharp的MDI窗口事例

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;

namespace MDICSharp
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class frmMain : System.Windows.Forms.Form
	{
		
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem mnuFile;
		private System.Windows.Forms.MenuItem mnuFileNew;
		private System.Windows.Forms.MenuItem mnuFileOpen;
		private System.Windows.Forms.MdiClient mdiClient1;
		private System.Windows.Forms.MenuItem mnuFileSave;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem mnuFileExit;
		private System.Windows.Forms.ImageList imageList1;
		private System.ComponentModel.IContainer components;
		private System.Windows.Forms.ToolBar toolBar1;
		private System.Windows.Forms.ToolBarButton toolBarNewFile;
		private System.Windows.Forms.ToolBarButton toolBarExit;
		private frmChild fc ;
		public frmMain()
		{
			//
			// 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.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(frmMain));
			this.mnuFile = new System.Windows.Forms.MenuItem();
			this.mnuFileNew = new System.Windows.Forms.MenuItem();
			this.mnuFileOpen = new System.Windows.Forms.MenuItem();
			this.mnuFileSave = new System.Windows.Forms.MenuItem();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.mnuFileExit = new System.Windows.Forms.MenuItem();
			this.mainMenu1 = new System.Windows.Forms.MainMenu();
			this.mdiClient1 = new System.Windows.Forms.MdiClient();
			this.imageList1 = new System.Windows.Forms.ImageList(this.components);
			this.toolBar1 = new System.Windows.Forms.ToolBar();
			this.toolBarNewFile = new System.Windows.Forms.ToolBarButton();
			this.toolBarExit = new System.Windows.Forms.ToolBarButton();
			this.SuspendLayout();
			// 
			// mnuFile
			// 
			this.mnuFile.Index = 0;
			this.mnuFile.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					this.mnuFileNew,
																					this.mnuFileOpen,
																					this.mnuFileSave,
																					this.menuItem1,
																					this.mnuFileExit});
			this.mnuFile.Text = "File";
			// 
			// mnuFileNew
			// 
			this.mnuFileNew.Index = 0;
			this.mnuFileNew.Text = "New";
			this.mnuFileNew.Click += new System.EventHandler(this.mnuFileNew_Click);
			// 
			// mnuFileOpen
			// 
			this.mnuFileOpen.Index = 1;
			this.mnuFileOpen.Text = "Open";
			this.mnuFileOpen.Click += new System.EventHandler(this.mnuFileOpen_Click);
			// 
			// mnuFileSave
			// 
			this.mnuFileSave.Enabled = false;
			this.mnuFileSave.Index = 2;
			this.mnuFileSave.Text = "Save";
			this.mnuFileSave.Click += new System.EventHandler(this.mnuFileSave_Click);
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 3;
			this.menuItem1.Text = "--------";
			// 
			// mnuFileExit
			// 
			this.mnuFileExit.Index = 4;
			this.mnuFileExit.Text = "Exit";
			this.mnuFileExit.Click += new System.EventHandler(this.mnuFileExit_Click);
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.mnuFile});
			// 
			// mdiClient1
			// 
			this.mdiClient1.Dock = System.Windows.Forms.DockStyle.Fill;
			this.mdiClient1.Location = new System.Drawing.Point(0, 42);
			this.mdiClient1.Name = "mdiClient1";
			this.mdiClient1.TabIndex = 0;
			// 
			// imageList1
			// 
			this.imageList1.ImageSize = new System.Drawing.Size(16, 16);
			this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
			this.imageList1.TransparentColor = System.Drawing.Color.Transparent;
			// 
			// toolBar1
			// 
			this.toolBar1.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
																						this.toolBarNewFile,
																						this.toolBarExit});
			this.toolBar1.ButtonSize = new System.Drawing.Size(56, 36);
			this.toolBar1.DropDownArrows = true;
			this.toolBar1.ImageList = this.imageList1;
			this.toolBar1.Location = new System.Drawing.Point(0, 0);
			this.toolBar1.Name = "toolBar1";
			this.toolBar1.ShowToolTips = true;
			this.toolBar1.Size = new System.Drawing.Size(736, 42);
			this.toolBar1.TabIndex = 1;
			this.toolBar1.TabStop = true;
			this.toolBar1.Tag = "";
			this.toolBar1.ButtonClick += new System.Windows.Forms.ToolBarButtonClickEventHandler(this.toolBar1_ButtonClick);
			// 
			// toolBarNewFile
			// 
			this.toolBarNewFile.ImageIndex = 4;
			this.toolBarNewFile.Text = "NewFile";
			// 
			// toolBarExit
			// 
			this.toolBarExit.ImageIndex = 5;
			this.toolBarExit.Text = "EXIT";
			// 
			// frmMain
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(736, 433);
			this.Controls.Add(this.toolBar1);
			this.Controls.Add(this.mdiClient1);
			this.IsMdiContainer = true;
			this.Menu = this.mainMenu1;
			this.Name = "frmMain";
			this.Text = "Main";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new frmMain());
		}

		private void mnuFileNew_Click(object sender, System.EventArgs e)
		{	
			mnuFileSave.Enabled = true;
			frmChild fc = new frmChild();
			fc.MdiParent = this;
			//Document doc1 = new Document();
	    //    fc.AddDocument(doc1);
			//doc1.AttachView(fc); //shail

			fc.Show();
		}

		private void mnuWindowNew_Click(object sender, System.EventArgs e)
		{
			try
			{	
				frmChild fc = new frmChild();
				fc.MdiParent = this;
				// get the doc reference from active child window
				frmChild factive = (frmChild) this.ActiveMdiChild;
				Document doc1 = (Document) factive.GetDocument();

				fc.AddDocument(doc1);
				//shail doc1.AttachView(fc);

				fc.Show();}
			catch{}
		}

		private void mnuFileSave_Click(object sender, System.EventArgs e)
		{
			try
			{
				// get the doc reference from active child window
				frmChild factive = (frmChild) this.ActiveMdiChild;
	
				factive.miSave_Click(null,null);}
			catch{}
		}

		private void mnuFileOpen_Click(object sender, System.EventArgs e)
		{
            mnuFileSave.Enabled =true;
				//frmChild fc = new frmChild();
			fc = new frmChild();
				fc.MdiParent = this;
				fc.miOpen_Click(null,null);
				fc.Show();
				fc.OnUpdate();
			
		}

		private void toolBar1_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e)
		{
			switch (toolBar1.Buttons.IndexOf(e.Button))
			{
				case 0 :
					mnuFileNew_Click(null, null);
					break;
				case 1 :
					mnuFileExit_Click(null,null);
					break;
			}

		}

		private void mnuFileExit_Click(object sender, System.EventArgs e)
		{
			//mnuFileSave_Click(null,null);
			PromptSave();
			Application.Exit();
		}

		private void PromptSave()
		{
			string question;
			question = "Do you want to Save the Changes Made ?? ";
			try
			{
			//	if(fc.Enabled == true)
					if (MessageBox.Show(question,"Save File?",	MessageBoxButtons.YesNo) == DialogResult.Yes)
						mnuFileSave_Click(null,null);}
			catch(Exception e)
			{
								  MessageBox.Show(e.ToString());	
			}
			} 

		}

		
	}