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PtCoreChangeRegion()
Determine if a region is required
Synopsis:
void PtCoreChangeRegion( unsigned int fields,
PtWidget_t *widget );
Arguments:
- fields
- A bitmap that indicates which attributes of the widget to check. For more information, see PhRegionOpen() in the Photon Library Reference.
- widget
- A pointer to the widget to be tested.
Description:
This function examines the current state of widget with respect to fields and determines if widget requires a region. If a region is required, PtCoreChangeRegion() determines what attributes (e.g. sensitivity) are required.
PtCoreChangeRegion() may call one of the following functions with appropriate attributes:
| If the widget: | This function is called: |
|---|---|
| Is a subclass of PtWindow | PhWindowChange() |
| Already has a region | PhRegionChange() |
| Doesn't have a region | PhRegionOpen() |
Classification:
Photon
| Safety: | |
|---|---|
| Interrupt handler | No |
| Signal handler | No |
| Thread | No |
See also:
PhWindowChange(), PhRegionChange(), PhRegionOpen() in the Photon Library Reference
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