Vcl.ComCtrls.TCustomTreeView Events

• Up to Parent: TCustomTreeView

InheritedProtected

OnAddition	protected	Occurs when new node is added.
OnAdvancedCustomDraw	protected	Occurs at discrete stages during the painting of the tree view control.
OnAdvancedCustomDrawItem	protected	Occurs at discrete stages during the painting of tree view nodes.
OnAlignInsertBefore	protected	Occurs when an object with custom alignment is aligned.
OnAlignPosition	protected	Occurs when an object with custom alignment is aligned.
OnCancelEdit	protected	Occurs when user cancels editing of a node's Caption.
OnCanResize	protected	Occurs when an attempt is made to resize the control.
OnChange	protected	Occurs whenever the selection has changed from one node to another.
OnChanging	protected	Occurs when the selection is about to change from one node to another.
OnClick	protected	Occurs when the user clicks the control.
OnCollapsed	protected	Occurs after a node has been collapsed.
OnCollapsing	protected	Occurs when a node is about to be collapsed.
OnCompare	protected	Occurs when two nodes must be compared during a sort of the nodes in the tree view.
OnConstrainedResize	protected	Adjusts the resize constraints.
OnContextPopup	protected	Occurs when the user right-clicks the control or otherwise invokes the pop-up menu (such as using the keyboard).
OnCreateNodeClass	protected	OnCreateNodeClass occurs when a new node object is about to be created.
OnCustomDraw	protected	Occurs immediately prior to painting the tree view control.
OnCustomDrawItem	protected	Occurs immediately prior to painting a node in a tree view control.
OnDblClick	protected	Occurs when the user double-clicks the left mouse button when the mouse pointer is over the control.
OnDeletion	protected	Occurs when a node in the tree view is deleted.
OnDockDrop	protected	Occurs when another control is docked to the control.
OnDockOver	protected	Occurs when another control is dragged over the control.
OnDragDrop	protected	Occurs when the user drops an object being dragged.
OnDragOver	protected	Occurs when the user drags an object over a control.
OnEdited	protected	Occurs after the user edits the Text property of a node.
OnEditing	protected	Occurs when the user starts to edit the Text property of a node.
OnEndDock	protected	Occurs when the dragging of an object ends, either by docking the object or by canceling the dragging.
OnEndDrag	protected	Occurs when the dragging of an object ends, either by dropping the object or by canceling the dragging.
OnEnter	protected	Occurs when a control receives the input focus.
OnExit	protected	Occurs when the input focus shifts away from one control to another.
OnExpanded	protected	Occurs after a node is expanded.
OnExpanding	protected	Occurs when a node is about to be expanded.
OnGesture	public	Occurs when you perform a gesture associated with this control.
OnGetDeltaStreams	protected
OnGetImageIndex	protected	Occurs when the tree view looks up the ImageIndex of a node.
OnGetSelectedIndex	protected	Occurs when the tree view looks up the SelectedIndex of a node.
OnGetSiteInfo	protected	Returns the control's docking information.
OnHint	protected	Occurs whenever a hint is about to be shown for a node.
OnKeyDown	protected	Occurs when a user presses any key while the control has focus.
OnKeyPress	protected	Occurs when a key is pressed.
OnKeyUp	protected	Occurs when the user releases a key that was pressed.
OnMouseActivate	protected	Occurs when the user presses a mouse button with the mouse pointer over a control and the parent form is not active.
OnMouseDown	protected	Occurs when the user presses a mouse button with the mouse pointer over a control.
OnMouseEnter	protected	Occurs when the user moves the mouse into a control.
OnMouseLeave	protected	Occurs when the user moves the mouse outside of a control.
OnMouseMove	protected	Occurs when the user moves the mouse pointer while the mouse pointer is over a control.
OnMouseUp	protected	Occurs when the user releases a mouse button that was pressed with the mouse pointer over a component.
OnMouseWheel	protected	Occurs when the mouse wheel is rotated.
OnMouseWheelDown	protected	Occurs when the mouse wheel is rotated downward.
OnMouseWheelUp	protected	Occurs when the mouse wheel is rotated upward.
OnResize	protected	Occurs immediately after the control is resized.
OnStartDock	protected	Occurs when the user begins to drag a control with a DragKind of dkDock.
OnStartDrag	protected	Occurs when the user begins to drag the control or an object it contains by left-clicking the control and holding the mouse button down.
OnUnDock	protected	Occurs when the application tries to undock a control that is docked to the windowed control.
WindowProc	public	Points to the window procedure that responds to messages sent to the control.