C#通过WIN32 API实现嵌入程序窗体

本文实例讲述了C#通过WIN32 API实现嵌入程序窗体的方法，分享给大家供大家参考。具体如下：

这是一个不使用COM,而是通过WIN32 API实现的示例, 它把写字板程序嵌在了自己的一个面板中。

这么做可能没有实际意义, 因为两个程序之前没有进行有价值的交互, 这里仅仅是为了演示这么做到, 以下是详细注释过的主要源代码。

我们把它封装到一个类中:

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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Diagnostics; using System.Runtime.InteropServices; using System.Windows.Forms; namespace System.Windows.Forms {   class InsertWindow   {     /// <summary>     /// 将程序嵌入窗体     /// </summary>     /// <param name="pW">容器</param>     /// <param name="appname">程序名</param>     public InsertWindow(Panel pW,string appname)     {       this.pan = pW;       this.LoadEvent(appname);       pane();     }     ~InsertWindow()     {       if (m_innerProcess!=null)       {         m_innerProcess.Dispose();       }     }     #region 函数和变量声明     /*     * 声明 Win32 API     */     [DllImport("user32.dll")]     static extern IntPtr SetParent(IntPtr hWndChild,       IntPtr hWndNewParent     );     [DllImport("user32.dll")]     static extern Int32 GetWindowLong(IntPtr hWnd,       Int32 nIndex     );     [DllImport("user32.dll")]     static extern Int32 SetWindowLong(IntPtr hWnd,       Int32 nIndex,       Int32 dwNewLong     );     [DllImport("user32.dll")]     static extern Int32 SetWindowPos(IntPtr hWnd,       IntPtr hWndInsertAfter,       Int32 X,       Int32 Y,       Int32 cx,       Int32 cy,       UInt32 uFlags     );     /*      * 定义 Win32 常数      */     const Int32 GWL_STYLE = -16;     const Int32 WS_BORDER = (Int32)0x00800000L;     const Int32 WS_THICKFRAME = (Int32)0x00040000L;     const Int32 SWP_NOMOVE = 0x0002;     const Int32 SWP_NOSIZE = 0x0001;     const Int32 SWP_NOZORDER = 0x0004;     const Int32 SWP_FRAMECHANGED = 0x0020;     const Int32 SW_MAXIMIZE = 3;     IntPtr HWND_NOTOPMOST = new IntPtr(-2);     // 目标应用程序的进程.     Process m_innerProcess = null;     #endregion     #region 容器     private Panel pan = null;     public Panel panel1     {       set { pan = value; }       get { return pan; }     }     private void pane()     {       panel1.Anchor = AnchorStyles.Left | AnchorStyles.Top |        AnchorStyles.Right | AnchorStyles.Bottom;       panel1.Resize += new EventHandler(panel1_Resize);     }     private void panel1_Resize(object sender, EventArgs e)     {       // 设置目标应用程序的窗体样式.       IntPtr innerWnd = m_innerProcess.MainWindowHandle;       SetWindowPos(innerWnd, IntPtr.Zero, 0, 0,         panel1.ClientSize.Width, panel1.ClientSize.Height,         SWP_NOZORDER);     }     #endregion     #region 相应事件     private void LoadEvent(string appFile)     {       // 启动目标应用程序.       m_innerProcess = Process.Start(appFile);       m_innerProcess.StartInfo.WindowStyle = ProcessWindowStyle.Hidden; //隐藏       // 等待, 直到那个程序已经完全启动.        m_innerProcess.WaitForInputIdle();       // 目标应用程序的主窗体.       IntPtr innerWnd = m_innerProcess.MainWindowHandle;       // 设置目标应用程序的主窗体的父亲(为我们的窗体).       SetParent(innerWnd, panel1.Handle);       // 除去窗体边框.       Int32 wndStyle = GetWindowLong(innerWnd, GWL_STYLE);       wndStyle &= ~WS_BORDER;       wndStyle &= ~WS_THICKFRAME;       SetWindowLong(innerWnd, GWL_STYLE, wndStyle);       SetWindowPos(innerWnd, IntPtr.Zero, 0, 0, 0, 0,         SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);       // 在Resize事件中更新目标应用程序的窗体尺寸.       panel1_Resize(panel1, null);     } #endregion   } }

然后在窗口的load事件中加入详细代码如下:

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using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Runtime; using System.Runtime.InteropServices; using System.Diagnostics; namespace 将程序窗口嵌入到任务栏中 {   public partial class Form1 : Form   {     private System.Windows.Forms.Panel panel1;     public Form1()     {       InitializeComponent();       this.panel1 = new System.Windows.Forms.Panel();       this.SuspendLayout();       //        // panel1       //        this.panel1.Dock = System.Windows.Forms.DockStyle.Fill;       this.panel1.Location = new System.Drawing.Point(0, 0);       this.panel1.Name = "panel1";       this.panel1.Size = new System.Drawing.Size(292, 273);       this.panel1.TabIndex = 0;       this.Controls.Add(this.panel1);       Load += new EventHandler(Form1_Load);     }     private void Form1_Load(object sender, EventArgs e)     {       //string sPath = Environment.GetEnvironmentVariable("windir");//获取系统变量 windir(windows)        const string appFile =         "C:\\Program Files\\Windows NT\\Accessories\\wordpad.exe";       InsertWindow insertwin = new InsertWindow(panel1, appFile);     }   } }

希望本文所述对大家的C#程序设计有所帮助。

http://www.jb51.net/article/55821.htm