public void IGroupName(
	int group_num,
	ref string group_name
)

Public Sub IGroupName ( 
	group_num As Integer,
	ByRef group_name As String
)

public:
void IGroupName(
	int group_num, 
	String^% group_name
)

member IGroupName : 
        group_num : int * 
        group_name : string byref -> unit