mainform.cs

关键词:.net Winform C# DataSource

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

namespace DataServer
{
	/// <summary>
	/// MainForm 的摘要说明。
	/// </summary>
	public class MainForm : System.Windows.Forms.Form
	{
		private System.Windows.Forms.MenuItem mnu_new;
		private System.Windows.Forms.MenuItem mnu_open;
		private System.Windows.Forms.MenuItem mnu_close;
		private System.Windows.Forms.MenuItem mnu_help;
		private System.Windows.Forms.MenuItem mnu_about;
		private System.Windows.Forms.ToolBar toolBar;
		private System.Windows.Forms.ToolBarButton tbnew;
		private System.Windows.Forms.ToolBarButton tbopen;
		private System.Windows.Forms.ToolBarButton tbclose;
		private System.Windows.Forms.MenuItem mnufile;
		private System.Windows.Forms.MainMenu MainMenu;
		private System.Windows.Forms.ImageList ilMain;
		private System.ComponentModel.IContainer components;

		public MainForm()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(MainForm));
			this.MainMenu = new System.Windows.Forms.MainMenu();
			this.mnufile = new System.Windows.Forms.MenuItem();
			this.mnu_new = new System.Windows.Forms.MenuItem();
			this.mnu_open = new System.Windows.Forms.MenuItem();
			this.mnu_close = new System.Windows.Forms.MenuItem();
			this.mnu_help = new System.Windows.Forms.MenuItem();
			this.mnu_about = new System.Windows.Forms.MenuItem();
			this.toolBar = new System.Windows.Forms.ToolBar();
			this.tbnew = new System.Windows.Forms.ToolBarButton();
			this.tbopen = new System.Windows.Forms.ToolBarButton();
			this.tbclose = new System.Windows.Forms.ToolBarButton();
			this.ilMain = new System.Windows.Forms.ImageList(this.components);
			this.SuspendLayout();
			// 
			// MainMenu
			// 
			this.MainMenu.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					 this.mnufile,
																					 this.mnu_help});
			// 
			// mnufile
			// 
			this.mnufile.Index = 0;
			this.mnufile.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					this.mnu_new,
																					this.mnu_open,
																					this.mnu_close});
			this.mnufile.Text = "文件(&O)";
			// 
			// mnu_new
			// 
			this.mnu_new.Index = 0;
			this.mnu_new.Text = "新建(&N)";
			this.mnu_new.Click += new System.EventHandler(this.mnu_new_Click);
			// 
			// mnu_open
			// 
			this.mnu_open.Index = 1;
			this.mnu_open.Text = "打开(&O)";
			this.mnu_open.Click += new System.EventHandler(this.mnu_open_Click);
			// 
			// mnu_close
			// 
			this.mnu_close.Index = 2;
			this.mnu_close.Text = "关闭(&C)";
			this.mnu_close.Click += new System.EventHandler(this.mnu_close_Click);
			// 
			// mnu_help
			// 
			this.mnu_help.Index = 1;
			this.mnu_help.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					 this.mnu_about});
			this.mnu_help.Text = "帮助(&H)";
			// 
			// mnu_about
			// 
			this.mnu_about.Index = 0;
			this.mnu_about.Text = "关于(&A)";
			// 
			// toolBar
			// 
			this.toolBar.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
																					   this.tbnew,
																					   this.tbopen,
																					   this.tbclose});
			this.toolBar.DropDownArrows = true;
			this.toolBar.ImageList = this.ilMain;
			this.toolBar.Location = new System.Drawing.Point(0, 0);
			this.toolBar.Name = "toolBar";
			this.toolBar.ShowToolTips = true;
			this.toolBar.Size = new System.Drawing.Size(672, 49);
			this.toolBar.TabIndex = 0;
			this.toolBar.ButtonClick += new System.Windows.Forms.ToolBarButtonClickEventHandler(this.toolBar_ButtonClick);
			// 
			// tbnew
			// 
			this.tbnew.ImageIndex = 0;
			this.tbnew.Tag = "1";
			this.tbnew.Text = " 新  建 ";
			// 
			// tbopen
			// 
			this.tbopen.ImageIndex = 1;
			this.tbopen.Tag = "2";
			this.tbopen.Text = " 打  开 ";
			// 
			// tbclose
			// 
			this.tbclose.ImageIndex = 3;
			this.tbclose.Tag = "3";
			this.tbclose.Text = " 关  闭 ";
			// 
			// ilMain
			// 
			this.ilMain.ImageSize = new System.Drawing.Size(24, 24);
			this.ilMain.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("ilMain.ImageStream")));
			this.ilMain.TransparentColor = System.Drawing.Color.Transparent;
			// 
			// MainForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackColor = System.Drawing.SystemColors.Control;
			this.ClientSize = new System.Drawing.Size(672, 421);
			this.Controls.Add(this.toolBar);
			this.IsMdiContainer = true;
			this.Menu = this.MainMenu;
			this.Name = "MainForm";
			this.Text = "MainForm";
			this.WindowState = System.Windows.Forms.FormWindowState.Maximized;
			this.Load += new System.EventHandler(this.Main_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{	
			if(!DBConnect.Instance().Connect())
			{
				MessageBox.Show("数据库连接失败!");
				Application.Exit() ;
				return;
			}
			LoginForm frmLogin = new LoginForm() ;
			DialogResult dr ;
			dr = frmLogin.ShowDialog() ;
			if (dr != DialogResult.OK  )
			{	
				Application.Exit() ;
				return ;
			}
			Application.Run(new MainForm());
		}
		private void Main_Load(object sender, System.EventArgs e)
		{

		}

		private void toolBar_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e)
		{
			int iTag = int.Parse(e.Button.Tag.ToString()) ;
			switch(iTag)
			{
				case 1:
					mnu_new.PerformClick() ;
					break ;
				case 2:
					mnu_open.PerformClick() ;
					break ;
				case 3:
					mnu_close.PerformClick() ;
					break ;
			}
		}

		private void mnu_new_Click(object sender, System.EventArgs e)
		{
			foreach(Form frm in this.MdiChildren)
			{
				if (frm is NewForm)
				{
					frm.BringToFront() ;
					return ;
				}
			}
			NewForm newfrm = new NewForm() ;
			newfrm.MdiParent = this ;
			newfrm.Show() ;
		}

		private void mnu_open_Click(object sender, System.EventArgs e)
		{
			foreach(Form frm in this.MdiChildren)
			{
				if (frm is OpenForm)
				{
					frm.BringToFront() ;
					return ;
				}
			}
			OpenForm newfrm = new OpenForm() ;
			newfrm.MdiParent = this ;
			newfrm.Show() ;
		}

		private void mnu_close_Click(object sender, System.EventArgs e)
		{
			DialogResult result;
			result = MessageBox.Show("是否退出系统?","系统提示",MessageBoxButtons.YesNo);
			if (result == System.Windows.Forms.DialogResult.Yes)
			{
				Application.Exit() ;
				return ;
			}
		}
	}
}