BITMAPWNDRGNTYPE
typedef enum tagBITMAPWNDRGNTYPE
{
REGION_TYPE_POLYGON,
REGION_TYPE_RECT,
REGION_TYPE_ELIPSE,
REGION_TYPE_ROUNDRECT,
REGION_TYPE_TRIANGLE,
REGION_TYPE_FREE_HAND,
REGION_TYPE_CURVE,
REGION_TYPE_BEZIER
}BITMAPWNDRGNTYPE;