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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
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原文地址：http://www.cnblogs.com/chen110xi/p/5242089.html
