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Get the widget that's above a given widget in a family hierarchy
PtWidget_t * PtWidgetAbove( PtWidget_t *root,
PtWidget_t *widget );
- root
- A pointer to the highest widget that you want to consider in the widget
family hierarchy.
- widget
- A pointer to the widget for which you want to find a widget above.
This function returns a pointer to the widget that's in front of
widget, provided the returned widget isn't any higher in the
widget family hierarchy than root.
PtWidgetAbove() skips any disjoint widgets that it finds as it
traverses the hierarchy.
A pointer to the widget above, or NULL if there isn't one.
If widget is the same as root, the function returns
the first child of root, or NULL if root
has no children.
Photon
Safety: | |
Interrupt handler |
No |
Signal handler |
No |
Thread |
No |
PtWidgetBrotherBehind(),
PtWidgetBrotherInFront(),
PtWidgetChildBack(),
PtWidgetChildFront(),
PtWidgetFamily(),
PtWidgetParent(),
PtWidgetTree(),
PtWidgetTreeTraverse()
in the Photon Library Reference
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