在AC＃VSTO开关触发印刷之前，当前的打印机要颜色（打印机默认为黑色和白色）

Question

我正在尝试说服一个VSTO Word加载程序，以设置打印机（将由Defult To Black-White设置）在调用WD.ActivedOcument.printout之前用颜色打印此文档。

---

        printerSettings = new PrinterSettings();
        try
        {
            printerSettings.PrinterName = wb.ActivePrinter;
        }
        catch
        {
        }

        var pageSettings = new PageSettings(printerSettings);

        //To Reset after printout
        var printerColourDefaultSetting = printerSettings.DefaultPageSettings.Color;
        var printColourSettings = pageSettings.Color;

        

        if (PrinterSettings.SupportsColor) //I'd hope only one of these -but neither work
        {
            PrinterSettings.DefaultPageSettings.Color = true;
            pageSettings.Color = true;
        }
        else
        {
            //doesn't support colour
        }


      object Background = true;
        object Append = false;
        object Range = PrintOutRange;
        object To = missing;
        object From = missing;
        if (PrintOutRange == WdPrintOutRange.wdPrintFromTo)
        {
            To = LastPage.ToString(CultureInfo.InvariantCulture);
            From = FirstPage.ToString(CultureInfo.InvariantCulture);
        }
        object Copies = NoCopies;
        object PrintToFile = false;
        object Collate = true;


        wb.ActiveDocument.PrintOut(ref Background, ref Append, ref Range, ref missing, ref From, ref To,
                                            ref missing,
                                            ref Copies, ref missing, ref missing, ref PrintToFile, ref Collate,
                                            ref missing, ref missing,
                                            ref missing, ref missing, ref missing, ref missing);

---

但是，使用此代码，我设置的PageSttings和DefaultPagesettings设置被忽略。有什么想法将其迫使文档的颜色变成颜色？

Answer 1

“对象模型”一词不提供选择打印机的属性或方法。我想当您调用打印输出方法时，将使用默认一个。

您可以使用Windows API设置默认打印机：

using System.Runtime.InteropServices;
//
public static class PrinterClass
{
        [DllImport("winspool.drv", CharSet = CharSet.Auto, SetLastError = true)]
        public static extern bool SetDefaultPrinter(string Printer);
}
//
PrinterClass.SetDefaultPrinter("Paste your desired Printer Name here");

请参阅如何在C＃中设置Windows默认打印机？以获取更多信息。