#define    WIN32_LEAN_AND_MEAN

#define    _WIN32_WINNT 0x0400

＃i nclude   <windows.h>
＃i nclude   <commctrl.h>
＃i nclude   <stdlib.h>
＃i nclude   <stdio.h>

＃i nclude "inject.h"
＃i nclude "HideWindows.h"

#define    PROGRAM_MANAGER "Program Manager" // Program manager window name
#define    TASKBAR         "Shell_TrayWnd"  // Taskbar class name
#define    ID_STARTBUTTON  0x130    // Start button ID
#define    ID_TRAY         0x12F    // System tray ID
#define    ID_CLOCK        0x12F    // System clock ID

HINSTANCE hInst;  // Instance handle
HHOOK  hHook;  // Mouse hook

/*************************
 * Hide/Show Desktop.    *
 * TRUE=Show, FALSE=Hide *
 * (Win9x/NT/2K/XP)      *
 *************************/
int Desktop_Show_Hide(BOOL bShowHide)
{
 OSVERSIONINFO osvi;
 BOOL   bIsWindowsNT4SP3orLater;
 int    iServicePack;
 char           *p;

 // Determine the current windows version
 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 GetVersionEx(&osvi);
 for (p = osvi.szCSDVersion; *p  && !isdigit(*p); *p++);
 iServicePack = atoi(p);
 bIsWindowsNT4SP3orLater = (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT) &&
                        (((osvi.dwMajorVersion == 4) && (iServicePack >= 3)) ||
            (osvi.dwMajorVersion > 4));

    if (!bShowHide)
    {
        if (!hHook)
  {
            hHook  = SetWindowsHookEx(bIsWindowsNT4SP3orLater ? WH_MOUSE_LL : WH_MOUSE,
           bIsWindowsNT4SP3orLater ? (HOOKPROC)LowLevelMouseHookProc : (HOOKPROC)MouseHookProc,
                                      hInst,
                                      0);
   if (!hHook)
    return 0;
  }
    }
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