Allows derived classes to modify the default behavior of the MouseDown event.
Visual Basic .NET Overridable Protected Sub OnMouseDown( _
ByVal e As CancelMouseEventArgs _
C# protected virtual void OnMouseDown(
Managed C++ protected: virtual void OnMouseDown(
e Microsoft.Ink.CancelMouseEventArgs. The CancelMouseEventArgs object that contains the event data.
Raising an event invokes the event handler through a delegate.
In derived classes, this method is called only if a delegate is attached to the MouseDown event.
When overriding this method in a derived class, call the OnMouseDown method of the base class so that registered delegates receive the event.