C / C++ / MFC

SetLayeredWindowAttributes(RGB(50,50,50), 100, WS_EX_LAYERED);

HWND hwnd = GetSafeHwnd();
::SetWindowLong(hwnd, GWL_EXSTYLE,
	::GetWindowLong(hwnd, GWL_EXSTYLE) | WS_EX_LAYERED);

::SetLayeredWindowAttributes(hwnd, 0, (255 * 70) / 100, LWA_ALPHA);

Sternocera wrote:

Sorry Stuart, but I'm going to need you to be clearer still. What sort of window class would I create, and how?

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
   // Don't let the window close - might want to modify slightly...
   if (message == WM_CLOSE) return 0;
   return DefWindowProc(hWnd, message, wParam, lParam);
}

BOOL CreateLayeredWindow(HINSTANCE hInstance, int nCmdShow)
{
   HWND hWnd;

   WNDCLASSEX wcex;
   wcex.cbSize = sizeof(WNDCLASSEX);
   wcex.style			= CS_HREDRAW | CS_VREDRAW;
   wcex.lpfnWndProc	= &WndProc;
   wcex.cbClsExtra		= 0;
   wcex.cbWndExtra		= 0;
   wcex.hInstance		= hInstance;
   wcex.hIcon			= 0;
   wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);
   wcex.hbrBackground	= (HBRUSH)(COLOR_BTNTEXT+1);
   wcex.lpszMenuName	= 0;
   wcex.lpszClassName	= _T("layered");
   wcex.hIconSm		= 0;

   RegisterClassEx(&wcex);

   const DWORD screenWidth = GetSystemMetrics(SM_CXSCREEN);
   const DWORD screenHeight = GetSystemMetrics(SM_CYSCREEN);

   hWnd = CreateWindowEx(WS_EX_LAYERED|WS_EX_TOOLWINDOW, _T("layered"), _T("layered"), WS_POPUPWINDOW,
                         screenWidth/4, screenHeight/4, screenWidth/2, screenHeight/2, NULL, NULL, hInstance, NULL);

   if (!hWnd)
   {
      return FALSE;
   }

   SetLayeredWindowAttributes(hWnd, 0, 0xc0, LWA_ALPHA);
   ShowWindow(hWnd, nCmdShow);

   return TRUE;
}

Sternocera wrote:

What about resizing of my CMainFrame, wouldn't I have to resize my overlaying windows as my underlying view changed shape?

// Main-frame OnMove handler
void CMainFrame::OnMove(int x, int y)
{
   CFrameWndEx::OnMove(x, y);

   if (const MSG* msg = GetCurrentMessage())
   {
      if (CView* activeView = GetActiveView())
      {
         activeView->SendMessage(msg->message, msg->wParam, msg->lParam);
      }
   }
}

// View's OnMove and OnSize handlers
void CsdihiderView::OnSize(UINT nType, int cx, int cy)
{
   CView::OnSize(nType, cx, cy);
   OverlayHider();
}

void CsdihiderView::OnMove(int x, int y)
{
   CView::OnMove(x, y);
   OverlayHider();
}

void CsdihiderView::OverlayHider()
{
   if (hider_)
   {
      CRect windRect;
      GetWindowRect(&windRect);
      ::SetWindowPos(hider_, HWND_TOP, windRect.left, windRect.top, windRect.Width(), windRect.Height(), SWP_NOACTIVATE);
   }
}

termal wrote:

i search for a CEdit control that have a image suport, mean, i need to set image and text in that!

gartnerj wrote:

template <> void AFXAPI ConstructElements (SubjectUsage * pSubName, int nCount)

gartnerj wrote:

C2143 Syntax error: missing ";" before "<"

gartnerj wrote:

Any help greatly appreciated, and in general, any words of wisdom from moving from VC++6 to VS2008?

gartnerj wrote:

but not a lot of info on using old MFC with VS 2008.