public bool SaveAllToPngs(
	string filename,
	int compression = 50
)

Public Function SaveAllToPngs ( 
	filename As String,
	Optional compression As Integer = 50
) As Boolean

public:
bool SaveAllToPngs(
	String^ filename, 
	int compression = 50
)

member SaveAllToPngs : 
        filename : string * 
        ?compression : int 
(* Defaults:
        let _compression = defaultArg compression 50
*)
-> bool