form1.cs

本代码设计了一个销售管理系统

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Drawing.Imaging;
using System.Data;
using System.Data.SqlClient;
using UserData;

namespace LtsClient
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.StatusBar statusBar1;
		public System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem menuItem4;
		private System.Windows.Forms.MenuItem db_server;
		private System.Windows.Forms.MenuItem db_login;
		private System.Windows.Forms.MenuItem db_logoff;
		private System.Windows.Forms.MenuItem input;
		private System.Windows.Forms.MenuItem search;
		private System.Windows.Forms.MenuItem msg_send;
		private System.Windows.Forms.MenuItem hireout;
		private System.Windows.Forms.MenuItem sell_hire;
		private System.Windows.Forms.MenuItem report;
		private System.Windows.Forms.ToolBar toolBar1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.ImageList imageList1;
		private System.Windows.Forms.TrackBar trackBar1;
		private System.Windows.Forms.ToolBarButton toolBarButton_Picture;
		private System.Windows.Forms.ToolBarButton toolBarButton_exit;
		private System.Windows.Forms.ToolBarButton toolBarButton_hide;
		private System.Windows.Forms.NotifyIcon notifyIcon1;
		private System.Windows.Forms.ContextMenu contextMenu1;
		private System.Windows.Forms.MenuItem back_winstate;
		private System.Windows.Forms.MenuItem exit_winstate;
		private System.ComponentModel.IContainer components;

		public Form1()
		{
			//
			// 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 Form Designer generated code
		/// <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(Form1));
			this.statusBar1 = new System.Windows.Forms.StatusBar();
			this.mainMenu1 = new System.Windows.Forms.MainMenu();
			this.db_server = new System.Windows.Forms.MenuItem();
			this.db_login = new System.Windows.Forms.MenuItem();
			this.db_logoff = new System.Windows.Forms.MenuItem();
			this.menuItem4 = new System.Windows.Forms.MenuItem();
			this.input = new System.Windows.Forms.MenuItem();
			this.search = new System.Windows.Forms.MenuItem();
			this.hireout = new System.Windows.Forms.MenuItem();
			this.sell_hire = new System.Windows.Forms.MenuItem();
			this.report = new System.Windows.Forms.MenuItem();
			this.msg_send = new System.Windows.Forms.MenuItem();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.toolBar1 = new System.Windows.Forms.ToolBar();
			this.toolBarButton_Picture = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton_exit = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton_hide = new System.Windows.Forms.ToolBarButton();
			this.imageList1 = new System.Windows.Forms.ImageList(this.components);
			this.trackBar1 = new System.Windows.Forms.TrackBar();
			this.notifyIcon1 = new System.Windows.Forms.NotifyIcon(this.components);
			this.contextMenu1 = new System.Windows.Forms.ContextMenu();
			this.back_winstate = new System.Windows.Forms.MenuItem();
			this.exit_winstate = new System.Windows.Forms.MenuItem();
			((System.ComponentModel.ISupportInitialize)(this.trackBar1)).BeginInit();
			this.SuspendLayout();
			// 
			// statusBar1
			// 
			this.statusBar1.Location = new System.Drawing.Point(0, 323);
			this.statusBar1.Name = "statusBar1";
			this.statusBar1.Size = new System.Drawing.Size(622, 22);
			this.statusBar1.TabIndex = 1;
			this.statusBar1.Text = "离线状态，请连接服务器...";
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.db_server,
																					  this.menuItem4,
																					  this.hireout,
																					  this.msg_send,
																					  this.menuItem1});
			this.mainMenu1.RightToLeft = System.Windows.Forms.RightToLeft.No;
			// 
			// db_server
			// 
			this.db_server.Index = 0;
			this.db_server.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.db_login,
																					  this.db_logoff});
			this.db_server.Text = "连接服务器(&L)";
			// 
			// db_login
			// 
			this.db_login.Index = 0;
			this.db_login.Text = "连接(&C)";
			this.db_login.Click += new System.EventHandler(this.db_login_Click);
			// 
			// db_logoff
			// 
			this.db_logoff.Index = 1;
			this.db_logoff.Text = "断开(&E)";
			this.db_logoff.Click += new System.EventHandler(this.db_logoff_Click);
			// 
			// menuItem4
			// 
			this.menuItem4.Index = 1;
			this.menuItem4.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.input,
																					  this.search});
			this.menuItem4.Text = "库存(&K)";
			// 
			// input
			// 
			this.input.Index = 0;
			this.input.Text = "进货管理(&I)";
			this.input.Click += new System.EventHandler(this.input_Click);
			// 
			// search
			// 
			this.search.Index = 1;
			this.search.Text = "库存查询(&F)";
			this.search.Click += new System.EventHandler(this.search_Click);
			// 
			// hireout
			// 
			this.hireout.Index = 2;
			this.hireout.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					this.sell_hire,
																					this.report});
			this.hireout.Text = "业务管理(&H)";
			// 
			// sell_hire
			// 
			this.sell_hire.Index = 0;
			this.sell_hire.Text = "租售管理(&S)";
			this.sell_hire.Click += new System.EventHandler(this.sell_hire_Click);
			// 
			// report
			// 
			this.report.Index = 1;
			this.report.Text = "账目报表(&R)";
			this.report.Click += new System.EventHandler(this.report_Click);
			// 
			// msg_send
			// 
			this.msg_send.Index = 3;
			this.msg_send.Text = "信息发送(&M)";
			this.msg_send.Click += new System.EventHandler(this.msg_send_Click);
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 4;
			this.menuItem1.Text = "测试影碟(&T)";
			this.menuItem1.Click += new System.EventHandler(this.menuItem1_Click);
			// 
			// toolBar1
			// 
			this.toolBar1.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
																						this.toolBarButton_Picture,
																						this.toolBarButton_exit,
																						this.toolBarButton_hide});
			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(622, 41);
			this.toolBar1.TabIndex = 3;
			this.toolBar1.ButtonClick += new System.Windows.Forms.ToolBarButtonClickEventHandler(this.toolBar1_ButtonClick);
			// 
			// toolBarButton_Picture
			// 
			this.toolBarButton_Picture.ImageIndex = 0;
			this.toolBarButton_Picture.Text = "背景图";
			// 
			// toolBarButton_exit
			// 
			this.toolBarButton_exit.ImageIndex = 1;
			this.toolBarButton_exit.Text = "退出";
			// 
			// toolBarButton_hide
			// 
			this.toolBarButton_hide.ImageIndex = 2;
			this.toolBarButton_hide.Text = "最小化";
			// 
			// 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;
			// 
			// trackBar1
			// 
			this.trackBar1.LargeChange = 10;
			this.trackBar1.Location = new System.Drawing.Point(320, -8);
			this.trackBar1.Maximum = 100;
			this.trackBar1.Minimum = 10;
			this.trackBar1.Name = "trackBar1";
			this.trackBar1.Size = new System.Drawing.Size(134, 45);
			this.trackBar1.TabIndex = 5;
			this.trackBar1.TickFrequency = 20;
			this.trackBar1.Value = 100;
			this.trackBar1.Scroll += new System.EventHandler(this.trackBar1_Scroll);
			// 
			// notifyIcon1
			// 
			this.notifyIcon1.ContextMenu = this.contextMenu1;
			this.notifyIcon1.Icon = ((System.Drawing.Icon)(resources.GetObject("notifyIcon1.Icon")));
			this.notifyIcon1.Text = "销售管理系统";
			this.notifyIcon1.Visible = true;
			// 
			// contextMenu1
			// 
			this.contextMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						 this.back_winstate,
																						 this.exit_winstate});
			// 
			// back_winstate
			// 
			this.back_winstate.Index = 0;
			this.back_winstate.Text = "还原";
			this.back_winstate.Click += new System.EventHandler(this.back_winstate_Click);
			// 
			// exit_winstate
			// 
			this.exit_winstate.Index = 1;
			this.exit_winstate.Text = "退出";
			this.exit_winstate.Click += new System.EventHandler(this.exit_winstate_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(622, 345);
			this.Controls.Add(this.trackBar1);
			this.Controls.Add(this.toolBar1);
			this.Controls.Add(this.statusBar1);
			this.ImeMode = System.Windows.Forms.ImeMode.On;
			this.IsMdiContainer = true;
			this.Menu = this.mainMenu1;
			this.Name = "Form1";
			this.SizeGripStyle = System.Windows.Forms.SizeGripStyle.Show;
			this.Text = "销售管理系统";
			((System.ComponentModel.ISupportInitialize)(this.trackBar1)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void db_login_Click(object sender, System.EventArgs e)
		{
			
			System.Windows.Forms.Form loginFrm=new LtsClient.loginFrm();
			loginFrm.MdiParent=this;
			loginFrm.Text="登录服务器";
			loginFrm.Show();
			
			//连接数据库
		}

		private void db_logoff_Click(object sender, System.EventArgs e)
		{
			System.Diagnostics.Process[] myProcesses;
			myProcesses =System.Diagnostics.Process.GetProcessesByName("LtsClient");
			foreach(System.Diagnostics.Process myProcess in myProcesses)
			{
				myProcess.Kill();
			}
			Application.Exit();
			this.Close();
			//退出
		}

		private void input_Click(object sender, System.EventArgs e)
		{
			if(FPara.CheckLogin())
			{
				System.Windows.Forms.Form inputFrm=new LtsClient.inputFrm();
				inputFrm.MdiParent=this;
				inputFrm.Text="库存输入";
				inputFrm.Show();
			}
			//输入数据
		}

		private void search_Click(object sender, System.EventArgs e)
		{
			if(FPara.CheckLogin())
			{
				System.Windows.Forms.Form searchFrm=new LtsClient.searchFrm();
				searchFrm.MdiParent=this;
				searchFrm.Text="库存查询";
				searchFrm.Show();
			}
			//查询数据
		}

		private void sell_hire_Click(object sender, System.EventArgs e)
		{
			if(FPara.CheckLogin())
			{
				System.Windows.Forms.Form hireoutFrm=new LtsClient.hireoutFrm();
				hireoutFrm.MdiParent=this;
				hireoutFrm.Text="业务管理";
				hireoutFrm.Show();
			}
			//业务管理
		}

		private void report_Click(object sender, System.EventArgs e)
		{
			if(FPara.CheckLogin())
			{
				System.Windows.Forms.Form SReportFrm=new LtsClient.SReportFrm();
				SReportFrm.MdiParent=this;
				SReportFrm.Text="业务报表";
				SReportFrm.Show();
			}
		}

		private void msg_send_Click(object sender, System.EventArgs e)
		{
			if(FPara.CheckLogin())
			{
				System.Windows.Forms.Form chatFrm=new LtsClient.chatFrm();
				chatFrm.MdiParent=this;
				chatFrm.Text="业务联系";
				chatFrm.Show();
			}
		}//信息发送

		private void menuItem1_Click(object sender, System.EventArgs e)
		{
			if(FPara.CheckLogin())
			{
				System.Windows.Forms.Form testFrm=new LtsClient.testFrm();
				testFrm.MdiParent=this;
				testFrm.Text="测试影碟";
				testFrm.Show();
			}
		}//测试影碟

		private Bitmap NowImage;
		private void toolBar1_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e)
		{
			switch(toolBar1.Buttons.IndexOf(e.Button))
			{
				case 0: Open_Dialog_Picture(sender,e);
					break; 

				case 1: db_logoff_Click(sender,e);
					break;

				case 2: hide_Click(sender,e);
					break; 
			}			
		}//按钮
		
		private void Open_Dialog_Picture(object sender, System.EventArgs e)
		{
			OpenFileDialog openFileDialog = new OpenFileDialog();

			openFileDialog.Filter = "Bitmaps|*.bmp|JPEG Images|*.jpg|GIF images|*.gif|PNG Images|*.png";			

			if (DialogResult.OK == openFileDialog.ShowDialog())
			{
				if (NowImage != null)
					NowImage.Dispose ();
				
				Bitmap tmpBmp= (Bitmap)Image.FromFile (openFileDialog.FileName, true);

				bool IsAlpha = Image.IsAlphaPixelFormat (tmpBmp.PixelFormat);
				if (IsAlpha == false)
				{
					NowImage = new Bitmap (tmpBmp.Width, tmpBmp.Height, PixelFormat.Format32bppArgb);
					Graphics g = Graphics.FromImage (NowImage);
					g.DrawImage (tmpBmp, 0,0);
					g.Dispose ();
					tmpBmp.Dispose ();
				} 
				else
				{
					NowImage = tmpBmp;
				}
				this.BackgroundImage=NowImage;
			}
		}//背景图
		private void hide_Click(object sender, System.EventArgs e){
			WindowState = FormWindowState.Minimized;
			this.Hide();
		}//最小化
		
		private void trackBar1_Scroll(object sender, System.EventArgs e)
		{
			this.Opacity=trackBar1.Value*0.01;
		}//透明度

		private void exit_winstate_Click(object sender, System.EventArgs e)
		{
			db_logoff_Click(sender,e);
		}//退出

		private void back_winstate_Click(object sender, System.EventArgs e)
		{
			this.Show();
			this.Activate();
			WindowState = FormWindowState.Normal;
		}//还原
		
	}
}