Name 

Description 

 

OnAlignInsertBefore 

Occurs when an object with custom alignment is aligned. 

 

OnAlignPosition 

Occurs when an object with custom alignment is aligned. 

 

OnCanResize 

Occurs when an attempt is made to resize the control. 

 

OnClick 

Occurs when the user clicks the control. 

 

OnConstrainedResize 

Adjust resize constraints. 

 

OnContextPopup 

Occurs when the user right-clicks the control or otherwise invokes the popup menu (such as using the keyboard). 

 

OnDblClick 

Occurs when the user double-clicks the left mouse button when the mouse pointer is over the control. 

 

OnDockDrop 

Occurs when another control is docked to the control. 

 

OnDockOver 

Occurs when another control is dragged over the control. 

 

OnEndDock 

Occurs when the dragging of an object ends, either by docking the object or by canceling the dragging. 

 

OnGetSiteInfo 

Returns the control's docking information. 

 

OnMouseEnter 

Occurs when the user moves the mouse into a control. 

 

OnMouseLeave 

Occurs when the user moves the mouse outside of a control. 

 

OnMouseWheel 

Occurs when the mouse wheel is rotated. 

 

OnMouseWheelDown 

Occurs when the mouse wheel is rotated downward. 

 

OnMouseWheelUp 

Occurs when the mouse wheel is rotated upward. 

 

OnStartDock 

Occurs when the user begins to drag a control with a DragKind of dkDock. 

 

OnUnDock 

Occurs when the application tries to undock a control that is docked to the windowed control.