LBitmapRgn::SetRgnFromMask

#include "ltwrappr.h"

virtual L_INT LBitmapRgn::SetRgnFromMask(LBitmapMask)

LBitmapBase& LBitmapMask;

the LBitmapBase object to be used as a mask

Creates or updates the associated class object's bitmap region by adding a region that consists of all the white pixels in a 1-bit mask image.

Parameter

Description

LBitmapMask

The 1-bit black-and-white bitmap object used as a mask.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

To update an existing region, you specify how the new region is to be combined with the existing one. For descriptions of the possibilities, refer to Creating a Bitmap Region.

The LBitmapMask parameter is passed by reference and is a required parameter.

Required DLLs and Libraries

LTDIS

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64.

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