ExtCreateRegion

  • Article

This function creates a region from the specified region data.

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

Parameters

  • lpXform
    [in] Not supported; set to NULL.
  • nCount
    [in] DWORD that specifies the size of the structure, in bytes, to which the lpRgnData parameter points.
  • lpRgnData
    [in] Pointer to an RGNDATA structure that contains the region data in logical units.

Return Values

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 GetRegionData function.

Requirements

OS Versions: Windows CE .NET 4.0 and later.
Header: Windows.h.
Link Library: Coredll.lib.

See Also

CreateRectRgn | CreateRectRgnIndirect | GetRegionData | RGNDATA

Last updated on Wednesday, April 13, 2005

© 2005 Microsoft Corporation. All rights reserved.