public virtual void OnInstantMessageReceived(
	InstantMessage message
)

Public Overridable Sub OnInstantMessageReceived ( 
	message As InstantMessage
)

public:
virtual void OnInstantMessageReceived(
	InstantMessage^ message
)

abstract OnInstantMessageReceived : 
        message : InstantMessage -> unit 
override OnInstantMessageReceived : 
        message : InstantMessage -> unit