TdxTreeViewControl Events

A Tree View control.

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