ATTR_OVERLAPPED_POLICY
| Type: | Control attribute |
| Description: | Determines what occurs when you draw to a canvas that is overlapped by another control. |
| Control Types: | Canvases. |
| Data Type: | integer |
| Default Value: | VAL_DEFER_DRAWING |
| LabWindows/CVI Compatibility: |
LabWindows/CVI 4.0 and later |
Values
| VAL_DEFER_DRAWING | If the control is overlapped and the draw policy is VAL_UPDATE_IMMEDIATELY, new drawing does not become visible until draw events are processed. If the control is overlapped and the draw policy is VAL_DIRECT_TO_SCREEN, no drawing takes place. |
| VAL_DRAW_ON_TOP | If the control is overlapped and the draw policy is not VAL_MARK_FOR_UPDATE, drawing occurs on top of the overlapping controls. |