AGI Gfx Analysis control events.
  Click | Occurs when the user presses and then releases a mouse button over the control. | 
  DblClick | Occurs when the user presses and releases a mouse button and then presses and releases it again over the control. | 
  KeyDown | Occurs when the user presses a key while the control has the focus. | 
  KeyPress | Occurs when the user presses and releases a key or key combination that corresponds to an ANSI code. | 
  KeyUp | Occurs when the user releases a key while the control has the focus. | 
  MouseDown | Occur when the user presses a mouse button. | 
  MouseMove | Occurs when the mouse pointer is moved across the control. | 
  MouseUp | Occurs when the user releases a mouse button. | 





