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GetRgnBox

The GetRgnBox function retrieves the bounding rectangle of the specified region.

VB4-32,5,6
Declare Function GetRgnBox Lib "gdi32" Alias "GetRgnBox" (ByVal hRgn As Long, lpRect As RECT) As Long

VB.NET
System.Drawing.Region

Operating Systems Supported
Requires Windows NT 3.1 or later; Requires Windows 95 or later

Library
Gdi32

Parameter Information
∑ hrgn
Identifies the region.

∑ lprc
Points to a RECT structure that receives the bounding rectangle.

Return Values
The return value specifies the regionís complexity. It can be one of the following values:
NULLREGION
Region is empty.

SIMPLEREGION
Region is a single rectangle.

COMPLEXREGION
Region is more than a single rectangle.



If the hrgn parameter does not identify a valid region, the return value is zero.

Examples

Related Functions

VB.NET Example

 

 


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