This event occurs whenever a middle mouse button is clicked.

property OnMouseMiddleDown: TVFMouseMiddleDownEvent Type;

__property TVFMouseMiddleDownEvent OnMouseMiddleDown;

event TVFMouseMiddleDownEvent Type OnMouseMiddleDown;

Event OnMouseMiddleDown As TVFMouseMiddleDownEvent

OnMouseMiddleDown

__property TVFMouseMiddleDownEvent OnMouseMiddleDown;

OnMouseMiddleDown

published OnMouseMiddleDown;