如何在桌面嵌入窗体.doc

.txt37using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.Runtime.InteropServices;namespace ShowInDesk public partial class Form1 : Form IntPtr hDesktop; public const int GW_CHILD = 5; public Form1() InitializeComponent(); this.hDesktop = GetDesktopHandle(DesktopLayer.Progman); EmbedDesktop(this, this.Handle, this.hDesktop); isMouseDown = false; public IntPtr GetDesktopHandle(DesktopLayer layer) /hWnd = new HandleRef(); HandleRef hWnd; IntPtr hDesktop = new IntPtr(); switch (layer) case DesktopLayer.Progman: hDesktop = Win32Support.FindWindow(Progman, null);/ break; case DesktopLayer.SHELLDLL: hDesktop = Win32Support.FindWindow(Progman, null);/ hWnd = new HandleRef(this, hDesktop); hDesktop = Win32Support.GetWindow(hWnd, GW_CHILD);/2 break; case DesktopLayer.FolderView: hDesktop = Win32Support.FindWindow(Progman, null);/ hWnd = new HandleRef(this, hDesktop); hDesktop = Win32Support.GetWindow(hWnd, GW_CHILD);/2 hWnd = new HandleRef(this, hDesktop); hDesktop = Win32Support.GetWindow(hWnd, GW_CHILD);/3 break; return hDesktop; public void EmbedDesktop(Object embeddedWindow, IntPtr childWindow, IntPtr parentWindow) Form window = (Form)embeddedWindow; HandleRef HWND_BOTTOM = new HandleRef(embeddedWindow, new IntPtr(1); const int SWP_FRAMECHANGED = 0x0020;/ Win32Support.SetParent(childWindow, parentWindow); Win32Support.SetWindowPos(new HandleRef(window, childWindow), HWND_BOTTOM, 300, 300, window.Width, window.Height, SWP_FRAMECHANGED); using System;using System.Collections.Generic;using System.Text;using System.Runtime.InteropServices;namespace ShowInDesk class Win32Support DllImport(user32.dll, CharSet = CharSet.Auto) public static extern IntPtr FindWindow(string className, string windowName); DllImport(user32.dll, CharSet = CharSet.Auto, ExactSpelling = true) public static extern IntPtr GetWindow(HandleRef hWnd, int nCmd); DllImport(user32.dll) public static extern IntPtr SetParent(IntPtr child, IntPtr parent); DllImport(user32.dll, EntryPoint = GetDCEx, CharSet = CharSet.Auto, ExactSpelling = true) public static extern IntPtr GetDCEx(IntPtr hWnd, IntPtr hrgnClip, int flags); DllImport(user32.dll, CharSet = CharSet.Auto, ExactSpelling = true) public static extern bool SetWindowPos(HandleRef hWnd, HandleRef hWndInsertAfter, int x, int y, int cx, int cy, int flags); DllImport(user32.dll) public static extern int