Condividi tramite


CRgn::GetRgnBox

Retrieves the coordinates of the bounding rectangle of the CRgn object.

int GetRgnBox(
   LPRECT lpRect 
) const;

Parameters

  • lpRect
    Points to a RECT structure or CRect object to receive the coordinates of the bounding rectangle. The RECT structure has the following form:

    typedef struct tagRECT {

    int left;

    } RECT;

Return Value

Specifies the region's type. It can be any of the following values:

  • COMPLEXREGION    Region has overlapping borders.

  • NULLREGION   Region is empty.

  • ERROR   CRgn object does not specify a valid region.

  • SIMPLEREGION    Region has no overlapping borders.

Example

See the example for CRgn::CreatePolygonRgn.

Requirements

Header: afxwin.h

See Also

Concepts

CRgn Class

CRgn Members

Hierarchy Chart

GetRgnBox