Navigation: Code Documentation > RSCommon > GTree > Classes > TGCustomTree > Properties
TGCustomTree.OnChanging Property
Occurs when the tree is changing (i.e., nodes are about to be added or deleted).
Namespace: GTree
Delphi
published property OnChanging: TNotifyEvent read FOnChanging write FOnChanging;
Property Value
Type: TNotifyEvent
•GTree.TGCustomTree.OnChange
•GTree.TGCustomTree.BeginUpdate
•GTree.TGCustomTree.EndUpdate
•TGCustomTree
•GTree