static HBITMAP mibitmap;
switch (mensaje) /* manipulador de mensaje */
{
case WM_PAINT:
hdc = BeginPaint(hwnd, &est);
EndPaint(hwnd, &est);
break;
case WM_CREATE:
hInstance = ((LPCREATESTRUCT)lParam)->hInstance
mibitmap = LoadBitmap(hInstance, "Bitmap");//error aqui
break;