void CreateMask(WXHDC hDC, int xoffset, int yoffset, int dx, int dy);
void DrawBlankButton(WXHDC hdc, int x, int y, int dx, int dy, int state);
void DrawButton(WXHDC hdc, int x, int y, int dx, int dy,
void CreateMask(WXHDC hDC, int xoffset, int yoffset, int dx, int dy);
void DrawBlankButton(WXHDC hdc, int x, int y, int dx, int dy, int state);
void DrawButton(WXHDC hdc, int x, int y, int dx, int dy,