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Serves as the event handler for node expansion event in the FormTreeControl class.
Syntax
public void onFormTreeNodeExpanding(
int _idx,
FormTreeExpand _action,
anytype _data)
Run On
Called
Parameters
- _idx
Type: int
The node index.
- _action
Type: FormTreeExpand Enumeration
The expansion action.
- _data
Type: anytype
The node data.