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. 

 

OnConstrainedResize 

Adjust resize constraints. 

 

OnDockDrop 

Occurs when another control is docked to the control. 

 

OnDockOver 

Occurs when another control is dragged over the control. 

 

OnGetSiteInfo 

Returns the control's docking information. 

 

OnKeyDown 

Occurs when a user presses any key while the control has focus. 

 

OnKeyPress 

Occurs when a key is pressed. 

 

OnKeyUp 

Occurs when the user releases a key that has been pressed. 

 

OnMouseActivate 

Occurs when the user presses a mouse button with the mouse pointer over a control and the parent form is not active. 

 

OnMouseDown 

Occurs when the user presses a mouse button with the mouse pointer over a control. 

 

OnMouseEnter 

Occurs when the user moves the mouse into a control. 

 

OnMouseLeave 

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

 

OnMouseMove 

Occurs when the user moves the mouse pointer while the mouse pointer is over a control. 

 

OnMouseUp 

Occurs when the user releases a mouse button that was pressed with the mouse pointer over a component. 

 

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. 

 

OnUnDock 

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