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Expand a given subtree
int PtGenTreeExpand( PtWidget_t *tree,
PtGenTreeItem_t *item,
PhEvent_t *event );
This function expands the given subtree item. The
tree argument must point to the tree that contains the
item or can be NULL if the item
doesn't belong to any tree.
If tree isn't NULL, the Tree Item State method
of that widget is called. If it returns a nonzero value,
the item isn't expanded; if it returns zero,
the expansion proceeds.
PtGenTreeExpand() returns the same value.
|
If the Tree Item State method destroys the item, make sure that it doesn't
return zero. |
The value returned by the Tree Item State method.
Photon
Safety: | |
Interrupt handler |
No |
Signal handler |
No |
Thread |
No |
PtGenTree,
PtGenTreeItem_t
PhEvent_t
in the Photon Library Reference
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