Platform |
Win32, x64 |
|
Purpose |
To select the current drawing surface. |
|
Syntax |
INTEGER FUNCTION SELECT_GRAPHICS_OBJECT@( UID ) |
|
Description |
Drawing surfaces are created by %gr (Graphics Region), OPEN_PRINTER@ etc. and CREATE_GRAPHICS_REGION@. UID is a value that is supplied to %`gr, or OPEN_PRINTER@ etc.. ClearWin+ drawing routines are applied to the current drawing surface. Call this function if there is more than one drawing surface in order to draw on a surface that is not the current one. This is an alternate function to SELECT_GRAPHICS_REGION@. |
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Return value |
The value 1 is returned for success or zero for failure (invalid identifier). |