Important:
This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.
A version of this page is also available for
4/8/2010

This function creates a region from the specified region data.

Syntax

HRGN ExtCreateRegion(
  CONST XFORM* 
lpXform,
  DWORD 
nCount,
  CONST RGNDATA* 
lpRgnData
);

Parameters

lpXform

[in] Not supported; set to NULL.

nCount

[in] DWORDthat specifies the size of the structure, in bytes, to which the lpRgnDataparameter points.

lpRgnData

[in] Pointer to an RGNDATAstructure that contains the region data in logical units.

Return Value

A handle to the region indicates success.

NULL indicates failure.

Remarks

Region coordinates are represented as 27-bit signed integers.

An application can retrieve data for a region by calling the GetRegionDatafunction.

Requirements

Header windows.h
Library coredll.lib
Windows Embedded CE Windows CE .NET 4.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also