IDragEnterEventArgs - IDragEnterEventArgs notifies when the element enters into the diagram from symbol palette
boolean
returns whether to add or remove the symbol from diagram
returns the instance of the diagram.
DropInfo
returns the node or connector that been dragged into diagram from other component
returns the node or connector that been returned into the diagram
returns the node or connector that is dragged into diagram.
Object
returns the node or connector that is to be dragged into diagram.