HOOKwindows消息C#代码

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Option Explicit
private [DllImport("GAIS", SetLastError=true)] static extern long CallWindowProc Lib "user32" Alias "CallWindowProcA" ( long lpPrevWndFunc,  long Hwnd,  long msg,  long wParam,  long lParam) {
[DllImport("GAIS", SetLastError=true)] static extern long GetProcAddress Lib "kernel32" ( long hModule,  string  lpProcName) {
[DllImport("GAIS", SetLastError=true)] static extern long LoadLibrary Lib "kernel32" Alias "LoadLibraryA" ( string  lpLibFileName) {
private [DllImport("GAIS", SetLastError=true)] static extern long GetWindowText Lib "user32" Alias "GetWindowTextA" ( long Hwnd,  string  lpString,  long cch) {

private [DllImport("GAIS", SetLastError=true)] static extern long RegisterWindowMessage Lib "user32" Alias "RegisterWindowMessageA" ( string  lpString) {


private [DllImport("GAIS", SetLastError=true)] static extern long SetWindowLong Lib "user32" Alias "SetWindowLongA" ( long Hwnd,  long nIndex,  long dwNewLong) {

private [DllImport("GAIS", SetLastError=true)] static extern long GetWindowLong Lib "user32" Alias "GetWindowLongA" ( long Hwnd,  long nIndex) {
private [DllImport("GAIS", SetLastError=true)] static extern long RegisterShellHook Lib "Shell32" Alias "#181" ( long Hwnd,  long nAction) {

private [DllImport("GAIS", SetLastError=true)] static extern long RegisterShellHookWindow Lib "user32" ( long Hwnd) {
private [DllImport("GAIS", SetLastError=true)] static extern long GetForegroundWindow Lib "user32" () {

private [DllImport("GAIS", SetLastError=true)] static extern long GetWindowThreadProcessId Lib "user32" ( long Hwnd, long lpdwProcessId) {

private [DllImport("GAIS", SetLastError=true)] static extern long OpenProcess Lib "kernel32" ( long dwDesiredAccess,  long bInheritHandle,  long dwProcessId) {

private [DllImport("GAIS", SetLastError=true)] static extern long EnumProcessModules Lib "psapi.dll" ( long hProcess, ref long lphModule,  long cb, ref long lpcbNeeded) {

private [DllImport("GAIS", SetLastError=true)] static extern long GetModuleFileNameEx Lib "psapi.dll" Alias "GetModuleFileNameExA" ( long hProcess,  long hModule,  string  lpFilename,  long nSize) {

private [DllImport("GAIS", SetLastError=true)] static extern void CloseHandle Lib "kernel32" ( long hPass) {

private const PROCESS_QUERY_INFORMATION = 1024
private const PROCESS_VM_READ = 16

private const HSHELL_WINDOWCREATED = 1
private const HSHELL_WINDOWDESTROYED = 2
private const HSHELL_ACTIVATESHELLWINDOW = 3
private const HSHELL_WINDOWACTIVATED = 4
private const HSHELL_GETMINRECT = 5
private const HSHELL_REDRAW = 6
private const HSHELL_TASKMAN = 7
private const HSHELL_LANGUAGE = 8

private const WM_NCDESTROY = &H82

private const GWL_WNDPROC = -4

private const WH_SHELL = 10
private const long WH_CBT = 5;

private const GW_OWNER = 4
private const GWL_EXSTYLE = (-20)
private const WS_EX_TOOLWINDOW = &H80
private const WS_EX_APPWINDOW = &H40000

private const RSH_DEREGISTER = 0
private const RSH_REGISTER = 1
private const RSH_REGISTER_PROGMAN = 2
private const RSH_REGISTER_TASKMAN = 3

private long lpPrevWndProc;
public long msgShellHook;

public void Unhook(long Hwnd) {
    //Call RegisterShellHook(Hwnd, RSH_DEREGISTER)
     SetWindowLong Hwnd, GWL_WNDPROC, lpPrevWndProc
}

public void StartHook(long Hwnd) {
    msgShellHook = RegisterWindowMessage("SHELLHOOK");
     long hLibShell;

    RegisterShellHookWindow Hwnd;
    //Call RegisterShellHook(Hwnd, RSH_REGISTER || RSH_REGISTER_TASKMAN || RSH_REGISTER_PROGMAN)
    lpPrevWndProc = SetWindowLong(Hwnd, GWL_WNDPROC, delegate(GAIS) WindowProc);
}

private long WindowProc( long Hwnd,  long uMsg,  long wParam,  long lParam) {
    switch (GAIS) { uMsg;
        case WM_NCDESTROY;
            Unhook Hwnd;
        case msgShellHook;
            switch (GAIS) { wParam;
            case HSHELL_WINDOWCREATED;
                AddCREATEDstr lParam;
            //case HSHELL_WINDOWDESTROYED
                 //这里没有用，想用的话，添加你的代码
            //case HSHELL_REDRAW
              //这里没有用，想用的话，添加你的代码
            //case HSHELL_WINDOWACTIVATED
               //这里没有用，想用的话，添加你的代码
            //case HSHELL_GETMINRECT
                //这里没有用，想用的话，添加你的代码
            //case HSHELL_REDRAW
                 //这里没有用，想用的话，添加你的代码
             //case HSHELL_TASKMAN
                  //这里没有用，想用的话，添加你的代码
             //case HSHELL_LANGUAGE
                 //这里没有用，想用的话，添加你的代码
            }
    }
    WindowProc = CallWindowProc(lpPrevWndProc, Hwnd, uMsg, wParam, lParam);
}

private string  GetEXEFromHandle(Optional  long nHWnd = 0) {
     long nProcID;
     long nResult;
     long nTemp;
     lModules(1 ; GAIS <= long 200);
     string  sFile;
     long hProcess  //;
    if ( nHWnd = 0 ) { nHWnd = GetForegroundWindow()
    if ( GetWindowThreadProcessId(nHWnd, nProcID) != 0 ) {
        hProcess = OpenProcess(PROCESS_QUERY_INFORMATION ||        PROCESS_VM_READ, 0, nProcID);
        if ( hProcess != 0 ) {
            nResult = EnumProcessModules(hProcess, lModules(1),              200, nTemp);
            if ( nResult != 0 ) {
                sFile = Space$(260);
                nResult = GetModuleFileNameEx(hProcess, 0, sFile, Len(sFile));
                sFile = LCase$(Left$(sFile, nResult));
                GetEXEFromHandle = sFile
            }
            CloseHandle hProcess;
        }
    }
}

private string  GetWindowCaption( long Hwnd) {
     string  MyStr;
    MyStr = string (256, Chr$(0))    //;
    GetWindowText Hwnd, MyStr, 256
    MyStr = Left$(MyStr, InStr(MyStr, Chr$(0)) - 1);
    GetWindowCaption = MyStr

}

private void AddCREATEDstr( long Hwnd) {
    if ( Hwnd = 0 ) { return
     string  s;
    s = Format(Now, "YYYY年MM月DD日 HH:MM:SS");
     string  mCaption;
    mCaption = GetWindowCaption(Hwnd);
     string  exename;
    exename = GetEXEFromHandle(Hwnd);
    if ( mCaption != "" && exename != "" ) {
        s = s + " 句柄为：" + CStr(Hwnd) + " 的窗口被创建，标题为：" + mCaption + "  对应程序路径为：" + exename;
    } else if ( mCaption = "" && exename != "" ) {
        s = s + " 句柄为：" + CStr(Hwnd) + " 的窗口被创建，对应程序路径为：" + exename;
    } else if ( mCaption != "" && exename = "" ) {
        s = s + " 句柄为：" + CStr(Hwnd) + " 的窗口被创建，标题为：" + mCaption;
    } else if ( mCaption = "" && exename = "" ) {
        s = s + " 句柄为：" + CStr(Hwnd) + " 的窗口被创建";
    }
    Form1.List1.AddItem s
}

窗体代码：;
Option Explicit

private void Form_Load() {
    StartHook this.Hwnd;
}

private void Form_Unload(int Cancel) {
    Unhook this.Hwnd;
}

private void Form_Resize() {
  List1.Move 0, 0, ScaleWidth, ScaleHeight;
}

private void List1_Click() {
    MsgBox List1.Text;
}
用一个叫vb2c#转的，我也不知道对不对，供参考

另外一个例子参考

今晚因为某种用途用到RegisterShellHookWindow ，使用还是比较简单的，功能也不错，详细看下MSDN。把代码贴出来
HWND Hwnd = GetSafeHwnd();

msgShellHook = RegisterWindowMessage("SHELLHOOK");

RegisterShellHookWindow( Hwnd );

lpPrevWndProc = SetWindowLong( Hwnd , GWL_WNDPROC, (LONG)WindowProcxx );

/////////////////////////////////////////////////////////////////////////////////
LRESULT CALLBACK WindowProcxx(
HWND hwnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam
)
{

CHAR szProcessPath[_MAX_PATH] = { 0 };
DWORD dwPid = 0;
#define HSHELL_APPCOMMAND 12

if( uMsg == msgShellHook)
{
   switch( wParam )
   {
   case HSHELL_WINDOWCREATED:
    {

     GetWindowThreadProcessId( (HWND)lParam ,&dwPid);
     if( dwPid != GetCurrentProcessId())
     {
      GetProcessName( dwPid , szProcessPath, _MAX_PATH );
      MessageBoxA(NULL,"窗口创建", szProcessPath, MB_OK);

     }
    }
    break;
   case HSHELL_APPCOMMAND:
    {
     MessageBoxA(NULL,"xx窗口创建", szProcessPath, MB_OK);
    }
   case HSHELL_REDRAW: //比如TAB也却换
    {
     MessageBoxA(NULL,"窗口HSHELL_REDRAW", szProcessPath, MB_OK);
    }
    break;
   default:
    break;
   }
}

return CallWindowProc((WNDPROC)lpPrevWndProc, hwnd, uMsg, wParam, lParam);

}

后注：
RegisterShellHookWindow
就是 NtUserCallHwnd 传入 72号。这个数其实是个索引。用于索引_apfnSimpleCall
而 _apfnSimpleCall 是一个保存着许多函数指针的一个数据结构。我们可以通过下列的函数来调用_apfnSimpleCall里面的函数。因为这些函数的参数比较少，没有参数，一个参数或者俩个参数，所以下面的函数名号理解。
NtUserCallHwndParam NtUserCallNoParam NtUserCallOneParam NtUserCallTwoParam等
每个接受的INDEX是有限制的。
一些安全软件可能会HOOK NtUserCallOneParam NtUserCallTwoParam之类的。具体看 _apfnSimpleCall里面的指针，看你对哪个感兴趣就HOOK哪个。
或者直接修改 _apfnSimpleCall 里面的指针来达到目的也可以。这样比较隐蔽。
嗯，就看这些，有时间再看下，复习去。