SpreadJS 14
GC.Spread.Sheets.Print Namespace / PrintInfo type / blackAndWhite Method
Whether to print in black and white.
In This Topic
    blackAndWhite Method
    In This Topic
    Gets or sets whether to print in black and white.
    Syntax
    var instance = new GC.Spread.Sheets.Print.PrintInfo();
    var returnValue; // Type: any
    returnValue = instance.blackAndWhite(value);
    function blackAndWhite( 
       (optional) value : boolean
    ) : any;

    Parameters

    value
    Whether to print in black and white.

    Return Value

    If no value is set, returns whether to print in black and white; otherwise, returns the print setting information.
    Example
    This example uses the blackAndWhite method.
    activeSheet.setRowCount(3, GC.Spread.Sheets.SheetArea.viewport);
    activeSheet.setColumnCount(3, GC.Spread.Sheets.SheetArea.viewport);
    
         activeSheet.suspendPaint();
                //set value
                for (var r = 0, rc = activeSheet.getRowCount(); r < rc; r++) {
                    for (var c = 0, cc = activeSheet.getColumnCount(); c < cc; c++) {
                        activeSheet.setValue(r, c, r + c);
                    }
               }
    activeSheet.resumePaint();
    
    $("#button1").click(function () {
    var printInfo = new GC.Spread.Sheets.Print.PrintInfo();
    printInfo.blackAndWhite(true);
    activeSheet.printInfo(printInfo);
    spread.print(0);
       });
    See Also

    Reference

    PrintInfo type