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Leadtools.Controls Assembly > Leadtools.Controls Namespace > InteractiveService Class : OnDragStarted Method |
protected virtual void OnDragStarted( InteractiveDragStartedEventArgs e )
'Declaration
Protected Overridable Sub OnDragStarted( _ ByVal e As InteractiveDragStartedEventArgs _ )
Raising an event invokes the event handler through a function. The OnDragStarted method also allows derived classes to handle the event without attaching a function to the event. This is the preferred technique for handling the event in a derived class.
Note to Inheritors: When overriding OnDragStarted in a derived class, be sure to call the base class's OnDragStarted method so that registered delegates receive the event.