BUTTON Structure

typedef struct {
  OBJ_HEADER hdr;
  SHORT radius;
  SHORT textWidth;
  SHORT textHeight;
  XCHAR * pText;
  void * pBitmap;
  GFX_COLOR previousAlphaColor;
} BUTTON;

Defines the parameters required for a button Object. The following relationships of the parameters determines the general shape of the button:

1. Width is determined by right - left.
2. Height is determined by top - bottom.
3. Radius - specifies if the button will have a rounded edge. If zero then the button will have sharp (cornered) edge.
4. If 2*radius = height = width, the button is a circular button.