拖动无边框窗体

 

 

Frm_Main.cs

View Code 
 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Windows.Forms;
 9 using System.Runtime.InteropServices;
10 
11 namespace DragNoFrameForm
12 {
13     public partial class Frm_Main : Form
14     {
15         public Frm_Main()
16         {
17             InitializeComponent();
18         }
19 
20         #region 本程序中用到的API函数
21         [DllImport("user32.dll")]
22         public static extern bool ReleaseCapture();//用来释放被当前线程中某个窗口捕获的光标
23         [DllImport("user32.dll")]
24         public static extern bool SendMessage(IntPtr hwdn,int wMsg,int mParam,int lParam);//向指定的窗体发送Windows消息
25         #endregion
26 
27         #region 本程序中需要声明的变量
28         public const int WM_SYSCOMMAND = 0x0112;//该变量表示将向Windows发送的消息类型
29         public const int SC_MOVE = 0xF010;//该变量表示发送消息的附加消息
30         public const int HTCAPTION = 0x0002;//该变量表示发送消息的附加消息
31         #endregion
32 
33         private void ExitContext_Click(object sender, EventArgs e)
34         {
35             Application.Exit();//退出本程序
36         }
37 
38         private void Frm_Main_MouseDown(object sender, MouseEventArgs e)
39         {
40             ReleaseCapture();//用来释放被当前线程中某个窗口捕获的光标
41             SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);//向Windows发送拖动窗体的消息
42         }
43     }
44 }

Frm_Main.designer.cs

View Code 
 1 namespace DragNoFrameForm
 2 {
 3     partial class Frm_Main
 4     {
 5         /// <summary>
 6 /// 必需的设计器变量。
 7 /// </summary>
 8         private System.ComponentModel.IContainer components = null;
 9 
10         /// <summary>
11 /// 清理所有正在使用的资源。
12 /// </summary>
13 /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
14         protected override void Dispose(bool disposing)
15         {
16             if (disposing && (components != null))
17             {
18                 components.Dispose();
19             }
20             base.Dispose(disposing);
21         }
22 
23         #region Windows 窗体设计器生成的代码
24 
25         /// <summary>
26 /// 设计器支持所需的方法 - 不要
27 /// 使用代码编辑器修改此方法的内容。
28 /// </summary>
29         private void InitializeComponent()
30         {
31             this.components = new System.ComponentModel.Container();
32             this.contextMenuStrip1 = new System.Windows.Forms.ContextMenuStrip(this.components);
33             this.ExitContext = new System.Windows.Forms.ToolStripMenuItem();
34             this.contextMenuStrip1.SuspendLayout();
35             this.SuspendLayout();
36             // 
37 // contextMenuStrip1
38 // 
39             this.contextMenuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
40             this.ExitContext});
41             this.contextMenuStrip1.Name = "contextMenuStrip1";
42             this.contextMenuStrip1.Size = new System.Drawing.Size(101, 26);
43             // 
44 // ExitContext
45 // 
46             this.ExitContext.Name = "ExitContext";
47             this.ExitContext.Size = new System.Drawing.Size(100, 22);
48             this.ExitContext.Text = "退出";
49             this.ExitContext.Click += new System.EventHandler(this.ExitContext_Click);
50             // 
51 // Frm_Main
52 // 
53             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
54             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
55             this.BackgroundImage = global::DragNoFrameForm.Properties.Resources._04;
56             this.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Stretch;
57             this.ClientSize = new System.Drawing.Size(320, 228);
58             this.ContextMenuStrip = this.contextMenuStrip1;
59             this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
60             this.Name = "Frm_Main";
61             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
62             this.Text = "拖动无边框窗体";
63             this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.Frm_Main_MouseDown);
64             this.contextMenuStrip1.ResumeLayout(false);
65             this.ResumeLayout(false);
66 
67         }
68 
69         #endregion
70 
71         private System.Windows.Forms.ContextMenuStrip contextMenuStrip1;
72         private System.Windows.Forms.ToolStripMenuItem ExitContext;
73     }
74 }





作者：墨明棋妙
出处：http://www.cnblogs.com/ynbt/
关于作者：专注于.Net、WCF和移动互联网开发。
本文版权归作者和博客园共有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接，如有问题，可以通过ynbt_wang@163.com联系我，非常感谢。 。
 posted on 2012-04-27 11:56  纳米程序员  阅读(200)  评论(0)  编辑  收藏  举报