public void Clear(
	int row,
	int column,
	int lastRow,
	int lastColumn
)

Public Sub Clear ( 
	row As Integer,
	column As Integer,
	lastRow As Integer,
	lastColumn As Integer
)

public:
void Clear(
	int row, 
	int column, 
	int lastRow, 
	int lastColumn
)

member Clear : 
        row : int * 
        column : int * 
        lastRow : int * 
        lastColumn : int -> unit