public virtual void InsertData(
	int offset,
	string data
)

Public Overridable Sub InsertData ( 
	offset As Integer,
	data As String
)

public:
virtual void InsertData(
	int offset, 
	String^ data
)

abstract InsertData : 
        offset : int * 
        data : string -> unit 
override InsertData : 
        offset : int * 
        data : string -> unit