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SELECT_GRAPHICS_OBJECT@

Platform

Win32(ClearWin+)

Purpose

To select the current drawing surface.

Syntax

INTEGER FUNCTION SELECT_GRAPHICS_OBJECT@( HANDLE )
INTEGER HANDLE

Description

Drawing surfaces are created by %gr, OPEN_PRINTER@. etc and CREATE_GRAPHICS_REGION@. HANDLE is a value that you supply to %`gr, or OPEN_PRINTER@ etc.. ClearWin+ drawing routines are applied to the current drawing surface. Use this function if you have created more than one drawing surface and you want to draw on a surface that is not the current one.

Return value

The value 1 is returned for success or zero for failure (invalid handle).

 

 

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