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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.
See Also