Add the following function declarations and constant definitions to the header file:
#define IDM_BITMAP1             200
#define IDM_BITMAP2             201
#define IDM_BITMAP3             202
#define IDM_PATTERN1            300
#define IDM_PATTERN2            301
#define IDM_PATTERN3            302
#define IDM_PATTERN4            303
#define IDM_BLACKONWHITE        400
#define IDM_WHITEONBLACK        401
#define IDM_COLORONCOLOR        402
#define PATORDEST       0x00FA0089L
HBITMAP MakeColorBitmap(HWND);