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Hide a control surface
int PtHideSurface( PtWidget_t *widget,
PtSurface_t *surface );
int PtHideSurfaceById( PtWidget_t *widget,
unsigned char surface_id );
ph
These functions hide a control surface belonging to the given widget.
They differ in how they identify the control surface:
- PtHideSurface()
- Uses the surface argument, which points to a
PtSurface_t structure that describes the control surface.
This pointer must not be NULL.
- PtHideSurfaceById()
- Searches the control surfaces belonging to the widget for the one
with an ID of surface_id.
Hidden surfaces don't draw and aren't included in event processing.
- 0
- Success.
- -1
- The specified surface couldn't be found or was already hidden.
Photon
Safety: | |
Interrupt handler |
No |
Signal handler |
No |
Thread |
No |
PtHideSurfaceByAction(),
PtShowSurface(),
PtShowSurfaceByAction(),
PtShowSurfaceById(),
PtSurfaceIsHidden(),
PtSurfaceIsShown()
Control Surfaces
chapter of the Photon Programmer's Guide
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