TCustomOutline.Expand Method

Generates an OnExpand event.

Pascal

procedure Expand(Index: LongInt); dynamic;

C++

__fastcall Expand(LongInt Index);

Expand is called automatically after a node in the outline is expanded. It calls the OnExpand event handler if it is assigned.

Override the Expand method to provide additional processing after nodes in the outline have been expanded, or to block the OnExpand event.