Vcl.ComCtrls.TCustomTreeView.CanExpand

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Delphi

function CanExpand(Node: TTreeNode): Boolean; dynamic;

C++

DYNAMIC bool __fastcall CanExpand(TTreeNode* Node);

Properties

Type	Visibility	Source	Unit	Parent
function	protected	Vcl.ComCtrls.pas Vcl.ComCtrls.hpp	Vcl.ComCtrls	TCustomTreeView

Description

Node expand event dispatcher.

CanExpand is called automatically whenever an attempt is made to expand the node specified by the Node parameter. CanExpand returns true if node can be expanded, false otherwise.

If there is no OnExpanding event handler, CanExpand returns true.

Override this method to make additional, class-specific responses in addition to the OnExpanding event or to suppress the OnExpanding event.

See Also

• OnExpanding