C# 窗体操作汇总

将程序嵌入到自己的窗体

c#嵌入窗体 经测试OK

C#自定义控件：WinForm将其它应用程序窗体嵌入自己内部

C#自定义控件：WinForm将其它应用程序窗体嵌入自己内部【转载】

[分享]外部exe窗体嵌入winform

窗口显示在顶层 底层

遍历桌面所有可见窗体

所谓"绑架"就是把其他Win32程序的窗体嵌入到我们托管的WinForm中.网上已经用很多java版和Delphi版还有WPF的.我在这里补充C#版的.
嵌入记事本

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.InteropServices;using System.Threading;using System.Diagnostics; namespace WindowsFormsApplication3{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        [DllImport("user32.dll")]        private static extern int SetParent(IntPtr hWndChild, IntPtr hWndParent);        [DllImport("user32.dll")]        private static extern bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);        [DllImport("user32.dll", SetLastError = true)]        private static extern bool PostMessage(IntPtr hWnd, uint Msg, int wParam, int lParam);        [DllImport("user32.dll", EntryPoint = "SetWindowPos")]        private static extern bool SetWindowPos(IntPtr hWnd, int hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags);        [DllImport("user32.dll")]        private static extern int SendMessage(IntPtr hWnd, uint Msg, int wParam, int lParam);        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]        private static extern uint SetWindowLong(IntPtr hwnd, int nIndex, uint newLong);        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]        private static extern uint GetWindowLong(IntPtr hwnd, int nIndex);        [DllImport("user32.dll", CharSet = CharSet.Auto)]        private static extern bool ShowWindow(IntPtr hWnd, short State);        private const int HWND_TOP = 0x0;        private const int WM_COMMAND = 0x0112;        private const int WM_QT_PAINT = 0xC2DC;        private const int WM_PAINT = 0x000F;        private const int WM_SIZE = 0x0005;        private const int SWP_FRAMECHANGED = 0x0020;        public enum ShowWindowStyles : short        {            SW_HIDE = 0,            SW_SHOWNORMAL = 1,            SW_NORMAL = 1,            SW_SHOWMINIMIZED = 2,            SW_SHOWMAXIMIZED = 3,            SW_MAXIMIZE = 3,            SW_SHOWNOACTIVATE = 4,            SW_SHOW = 5,            SW_MINIMIZE = 6,            SW_SHOWMINNOACTIVE = 7,            SW_SHOWNA = 8,            SW_RESTORE = 9,            SW_SHOWDEFAULT = 10,            SW_FORCEMINIMIZE = 11,            SW_MAX = 11        }        private void Form1_Load(object sender, EventArgs e)        {            Process p = new Process();            // 需要启动的程序            p.StartInfo.FileName = @"C:\Windows\System32\notepad.exe";            // 为了美观,启动的时候最小化程序            p.StartInfo.WindowStyle = ProcessWindowStyle.Minimized;            // 启动            p.Start();            // 这里必须等待,否则启动程序的句柄还没有创建,不能控制程序            Thread.Sleep(1000);            // 最大化启动的程序            ShowWindow(p.MainWindowHandle, (short)ShowWindowStyles.SW_MAXIMIZE);            // 设置被绑架程序的父窗口            SetParent(p.MainWindowHandle, this.Handle);            // 改变尺寸            ResizeControl(p);        }        // 控制嵌入程序的位置和尺寸        private void ResizeControl(Process p)        {            SendMessage(p.MainWindowHandle, WM_COMMAND, WM_PAINT, 0);            PostMessage(p.MainWindowHandle, WM_QT_PAINT, 0, 0);            SetWindowPos(                p.MainWindowHandle,                HWND_TOP,                0,  // 设置偏移量,把原来窗口的菜单遮住                0,                (int)this.Width,                (int)this.Height,                SWP_FRAMECHANGED);            SendMessage(p.MainWindowHandle, WM_COMMAND, WM_SIZE, 0);        }    }}

嵌入计算器

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.InteropServices;

using System.Diagnostics;

usingSystem.Threading;

 

namespaceWindowsFormsApplication1

{

    publicpartial classForm1 : Form

    {

        Process p;

 

        publicForm1()

        {

            InitializeComponent();

        }

 

        #region API

        [DllImport("user32.dll")]

        privatestatic externint SetParent(IntPtr hWndChild, IntPtr hWndParent);

 

        [DllImport("user32.dll")]

        privatestatic externbool ShowWindowAsync(IntPtr hWnd,int nCmdShow);

 

        [DllImport("user32.dll", SetLastError =true)]

        privatestatic externbool PostMessage(IntPtr hWnd,uint Msg, int wParam, int lParam);

 

        [DllImport("user32.dll", EntryPoint ="SetWindowPos")]

        privatestatic externbool SetWindowPos(IntPtr hWnd,int hWndInsertAfter,

                    intX, int Y, int cx, int cy, uintuFlags);

 

        [DllImport("user32.dll")]

        privatestatic externint SendMessage(IntPtr hWnd,uint Msg, int wParam, int lParam);

 

        [DllImport("user32.dll", SetLastError =true, CharSet = CharSet.Auto)]

        privatestatic externuint SetWindowLong(IntPtr hwnd,int nIndex,uint newLong);

 

        [DllImport("user32.dll", SetLastError =true, CharSet = CharSet.Auto)]

        privatestatic externuint GetWindowLong(IntPtr hwnd,int nIndex);

 

        [DllImport("user32.dll", CharSet = CharSet.Auto)]

        privatestatic externbool ShowWindow(IntPtr hWnd,short State);

 

        privateconst intHWND_TOP = 0x0;

        privateconst intWM_COMMAND = 0x0112;

        privateconst intWM_QT_PAINT = 0xC2DC;

        privateconst intWM_PAINT = 0x000F;

        privateconst intWM_SIZE = 0x0005;

        privateconst intSWP_FRAMECHANGED = 0x0020;

        publicenum ShowWindowStyles :short

        {

            SW_HIDE = 0,

            SW_SHOWNORMAL = 1,

            SW_NORMAL = 1,

            SW_SHOWMINIMIZED = 2,

            SW_SHOWMAXIMIZED = 3,

            SW_MAXIMIZE = 3,

            SW_SHOWNOACTIVATE = 4,

            SW_SHOW = 5,

            SW_MINIMIZE = 6,

            SW_SHOWMINNOACTIVE = 7,

            SW_SHOWNA = 8,

            SW_RESTORE = 9,

            SW_SHOWDEFAULT = 10,

            SW_FORCEMINIMIZE = 11,

            SW_MAX = 11

        }

        #endregion

 

        privatevoid Form1_Load(objectsender, EventArgs e)

        {

            p =new Process();

            //需要启动的程序

            p.StartInfo.FileName =@"calc.exe";

            //为了美观,启动的时候最小化程序

            p.StartInfo.WindowStyle = ProcessWindowStyle.Minimized;

            //启动

            p.Start();

 

            //这里必须等待,否则启动程序的句柄还没有创建,不能控制程序

            Thread.Sleep(10000);

            //最大化启动的程序

            ShowWindow(p.MainWindowHandle, (short)ShowWindowStyles.SW_MAXIMIZE);

            //设置被绑架程序的父窗口

            SetParent(p.MainWindowHandle,this.Handle);

            //改变尺寸

            ResizeControl();

        }

 

        //控制嵌入程序的位置和尺寸

        privatevoid ResizeControl()

        {

            SendMessage(p.MainWindowHandle, WM_COMMAND, WM_PAINT, 0);

            PostMessage(p.MainWindowHandle, WM_QT_PAINT, 0, 0);

 

            SetWindowPos(

            p.MainWindowHandle,

              HWND_TOP,

              0 - 10,//设置偏移量,把原来窗口的菜单遮住

               0 - 32,

              (int)this.Width + 32,

              (int)this.Height + 32,

              SWP_FRAMECHANGED);

 

            SendMessage(p.MainWindowHandle, WM_COMMAND, WM_SIZE, 0);

        }

 

        privatevoid Form1_SizeChanged(objectsender, EventArgs e)

        {

            ResizeControl();

        }

 

        privatevoid Form1_FormClosing(objectsender, FormClosingEventArgs e)

        {

            p.Kill();

            p.Dispose();

        }

    }

}