TdxCustomTreeView Events

The base class for the Tree View control.

Name	Description
OnAddition protected	Allows you to customize settings of a node when it is added to the Tree View.
OnAlignInsertBefore	Inherited from TWinControl.
OnAlignPosition	Inherited from TWinControl.
OnCancelEdit protected	Allows you to perform specific actions every time the Tree View control discards user changes made in an in-place editor.
OnCanFocusNode protected	Allows you to prohibit users from focusing a node.
OnCanResize	Inherited from TControl.
OnCanSelectNode protected	Allows you to prohibit users from selecting a tree node.
OnClick	Inherited from TControl.
OnCollapsed protected	Allows you to respond to node collapse operations.
OnCollapsing protected	Allows you to prohibit users from collapsing a node.
OnCompare protected	Allows you to implement a custom node sorting.
OnConstrainedResize	Inherited from TControl.
OnContextPopup	Inherited from TControl.
OnCustomDraw protected	Allows you to override or complement the Tree View control’s draw routine.
OnCustomDrawNode protected	Allows you to override or complement the tree node draw routine.
OnDblClick	Inherited from TControl.
OnDeletion protected	Allows you to perform specific actions every time a node is deleted.
OnDockDrop	Inherited from TWinControl.
OnDockOver	Inherited from TWinControl.
OnDragDrop	Inherited from TControl.
OnDragOver	Inherited from TControl.
OnEdited protected	Allows you to perform specific actions when a user renames a node in an in-place editor.
OnEditing protected	Allows you to prohibit users from opening a node caption’s in-place editor.
OnEndDock	Inherited from TControl.
OnEndDrag	Inherited from TControl.
OnEnter	Inherited from TWinControl.
OnExit	Inherited from TWinControl.
OnExpanded protected	Allows you to respond to a node expansion.
OnExpanding protected	Allows you to prohibit users from expanding a node.
OnFocusChanged protected	Inherited from TcxControl.
OnFocusedNodeChanged protected	Allows you to perform specific actions when a node receives or loses focus.
OnGesture	Inherited from TControl.
OnGetChildren protected	Allows you to perform specific actions when the Tree View obtains a node‘s children during a node expand operation.
OnGetEditingText protected	Allows you to customize text displayed in an opened in-place editor.
OnGetImageIndex protected	Allows you to specify an image for the node.
OnGetSelectedImageIndex protected	Allows you to specify the image for the selected node.
OnGetSiteInfo	Inherited from TWinControl.
OnHint protected	Allows you to show custom text in a node‘s hint.
OnKeyDown	Inherited from TWinControl.
OnKeyPress	Inherited from TWinControl.
OnKeyUp	Inherited from TWinControl.
OnMouseActivate	Inherited from TControl.
OnMouseDown	Inherited from TControl.
OnMouseEnter protected	Occurs when the mouse pointer enters into the control. Inherited from TcxControl.
OnMouseLeave protected	Occurs when the mouse pointer leaves the control. Inherited from TcxControl.
OnMouseMove	Inherited from TControl.
OnMouseUp	Inherited from TControl.
OnMouseWheel	Inherited from TControl.
OnMouseWheelDown	Inherited from TControl.
OnMouseWheelUp	Inherited from TControl.
OnNodeStateChanged protected	Allows you to respond to a node‘s checkbox state change.
OnResize	Inherited from TControl.
OnSelectionChanged protected	Allows you to respond to the Tree View control’s selection changes.
OnStartDock	Inherited from TControl.
OnStartDrag	Inherited from TControl.
OnUnDock	Inherited from TWinControl.