public bool IO_DirectoryExists(
	string dir,
	string key
)

Public Function IO_DirectoryExists ( 
	dir As String,
	key As String
) As Boolean

public:
virtual bool IO_DirectoryExists(
	String^ dir, 
	String^ key
) sealed

abstract IO_DirectoryExists : 
        dir : string * 
        key : string -> bool 
override IO_DirectoryExists : 
        dir : string * 
        key : string -> bool