HDC 1955 ext/gd/gd.c HDC hdc; HDC 1956 ext/gd/gd.c HDC memDC; HDC 1961 ext/gd/gd.c typedef BOOL (WINAPI *tPrintWindow)(HWND, HDC,UINT); HDC 2042 ext/gd/gd.c HDC hdc; HDC 2043 ext/gd/gd.c HDC memDC; HDC 2046 ext/gd/gd.c typedef BOOL (WINAPI *tPrintWindow)(HWND, HDC,UINT);