form1.cs

Csharp实例编程百例.rar

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace FormShapeApp
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		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.button1 = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
				| System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right);
			this.button1.BackColor = System.Drawing.Color.LightGray;
			this.button1.Location = new System.Drawing.Point(103, 44);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(90, 35);
			this.button1.TabIndex = 0;
			this.button1.Text = "Exit";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackColor = System.Drawing.Color.SlateBlue;
			this.ClientSize = new System.Drawing.Size(292, 125);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.button1});
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
			this.Name = "Form1";
			this.Text = "Form1";
			this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseDown);
			this.MouseUp += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseUp);
			this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
			this.MouseMove += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseMove);
			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 Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
		{
		
		}

		protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
		{
			GraphicsPath MyGp = new GraphicsPath();
			MyGp.AddEllipse (0,0,this.Size.Width ,this.Size.Height);
			this.Region = new Region (MyGp);		
		}
		private int oldx, oldy;
		private System.Windows.Forms.Button button1;

		private void Form1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			if (e.Button == MouseButtons.Left )
			{
				this.Cursor = Cursors.Hand ;
				oldx = MousePosition.X;
				oldy = MousePosition.Y ;

			}
		}

		private void Form1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			
			if (e.Button == MouseButtons.Left )
			{
				this.SetDesktopLocation (this.Location .X + MousePosition.X - oldx,this.Location.Y + MousePosition.Y - oldy);
				oldx = MousePosition.X ;
				oldy = MousePosition.Y;
			}	
		}

		private void Form1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			this.Cursor = Cursors.Default ;
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			this.Close ();
		}

	}
}