获取桌面进程窗口句柄

DesktopUtils.cpp

HWND WindowDeskPopUtils::GetDeskWindow()
{
  HWND hSysView32 = NULL;

  // 先按win7方式查找
  HWND hWnd = NULL;
  do
  {
	  hSysView32 = ::FindWindowEx(NULL, hWnd, _T("Progman"), _T("Program Manager"));
	  if (hSysView32)
	  {
		  hSysView32 = GetSysView32(hSysView32);
		  if (hSysView32)
		  {
			  return hSysView32;
		  }
	  }
	  hWnd = hSysView32;
  } while (hWnd);
  
  // 再按Xp方式查找
  hWnd = NULL;
  do
  {
	  hSysView32 = ::FindWindowEx(NULL, hWnd, _T("WorkerW"), NULL);
	  if (hSysView32)
	  {
		  hSysView32 = GetSysView32(hSysView32);
		  if (hSysView32)
		  {
			  return hSysView32;
		  }
	  }
	  hWnd = hSysView32;
  } while (hWnd);

  return NULL;
}

HWND WindowDeskPopUtils::GetSysView32(HWND hParent)
{
	HWND hDeskWnd = NULL;
	while (hParent)
	{
		HWND shellView = ::FindWindowEx(hParent, NULL, _T("SHELLDLL_DefView"), NULL);
		if (shellView)
		{
			hDeskWnd = ::FindWindowEx(shellView, NULL, _T("SysListView32"), NULL);
			break;
		}
		hParent = ::GetWindow(hParent, GW_HWNDNEXT);
	}
	return hDeskWnd;
}