SpreadJS Documentation
blackAndWhite Method
Whether to print in black and white.
Gets or sets whether to print in black and white.
Syntax
var instance = new GcSpread.Sheets.PrintInfo();
var returnValue; // Type: boolean
returnValue = instance.blackAndWhite(value);
function blackAndWhite( 
   value : boolean
) : boolean;

Parameters

value
Whether to print in black and white.

Return Value

true to print in black and white; otherwise, false. The default value is false.
Example
This example uses the blackAndWhite method.
activeSheet.setRowCount(3, GcSpread.Sheets.SheetArea.viewport);
activeSheet.setColumnCount(3, GcSpread.Sheets.SheetArea.viewport);

     activeSheet.isPaintSuspended(true);
            //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.isPaintSuspended(false);

$("#button1").click(function () {
var printInfo = activeSheet.printInfo();
printInfo.blackAndWhite(true);
activeSheet.printInfo(printInfo);
spread.print(0);
   });
See Also

Reference

PrintInfo type

 

 


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