GetRgnBox

Version 3.0

Syntax

int GetRgnBox(hRgn,lpRect)

This function retrieves the coordinates of the bounding rectangle of the region specified by the hRgn parameter.

Parameter Type/Description  

hRgn HRGN Identifies the region.  
lpRect LPRECT Points to a RECT data structure to receive the coordinates of the bounding rectangle.  

Return Value

The return value specifies the region's type. It can be any of the following values.

Value Meaning  

COMPLEXREGION Region has overlapping borders.  
NULLREGION Region is empty.  
SIMPLEREGION Region has no overlapping borders.  

The return value is NULL if the hRgn parameter does not specify a valid region.