通过C#实现中望CAD的运行中静默打印PDF功能。可以自定义具体打印设备名称、纸张类型、打印样式表、打印范围、着色打印类型等；将using中的“ZwSoft.ZwCAD”改为“Autodesk.AutoCAD”可以应用在AutoCAD开发中。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ZwSoft.ZwCAD.ApplicationServices;
using ZwSoft.ZwCAD.DatabaseServices;
using ZwSoft.ZwCAD.PlottingServices;
using ZwSoft.ZwCAD.Runtime;namespace ZWCADTest_48
{public class PrintTest{[CommandMethod("PrintToPDF")]public void PrintToPDF(){Document acDoc = Application.DocumentManager.MdiActiveDocument;Database acDb = acDoc.Database;// 打印结果文件的输出路径string outputName = @"D:\CAD\PrintPDF\MyFile.pdf";// 打印机名称：ZWCAD PDF(High Quality Print).pc5string deviceName = "ZWCAD PDF(High Quality Print).pc5";// 纸张："ISO_full_bleed_A0_(841.00_x_1189.00_MM)"string canonicalMediaName = "ISO_full_bleed_A0_(841.00_x_1189.00_MM)";// 打印样式表：zwcad.ctbstring styleSheetName = "zwcad.ctb";// PlotSettings.PlotType 打印范围：范围 Extents// PlotSettings.ShadePlot 着色打印：按显示 AsDisplayed  using (Transaction tr = acDb.TransactionManager.StartTransaction()){// 获取打印机配置PlotConfig plotConfig = PlotConfigManager.SetCurrentConfig(deviceName);plotConfig.RefreshMediaNameList();// 将打印机的PlotToFile属性设置为trueplotConfig.IsPlotToFile = true;PlotSettings plotSettings = new PlotSettings(true);PlotSettingsValidator plotSettingsValidator = PlotSettingsValidator.Current;// 配置打印设置和打印信息plotSettingsValidator.SetUseStandardScale(plotSettings, true);plotSettingsValidator.SetStdScaleType(plotSettings, StdScaleType.ScaleToFit);plotSettingsValidator.SetPlotCentered(plotSettings, true);plotSettingsValidator.SetPlotRotation(plotSettings, PlotRotation.Degrees000);// 设置设备名称和图纸名称plotSettingsValidator.SetPlotConfigurationName(plotSettings, deviceName, canonicalMediaName);// 设置打印样式表plotSettingsValidator.SetCurrentStyleSheet(plotSettings, styleSheetName);// 设置打印范围plotSettingsValidator.SetPlotType(plotSettings, ZwSoft.ZwCAD.DatabaseServices.PlotType.Extents);// 设置着色打印选项plotSettings.ShadePlot = PlotSettingsShadePlotType.AsDisplayed;//验证打印信息PlotInfoPlotInfoValidator plotInfoValidator = new PlotInfoValidator();PlotInfo plotInfo = new PlotInfo();LayoutManager manager = LayoutManager.Current;Layout layout = tr.GetObject(manager.GetLayoutId(manager.CurrentLayout), OpenMode.ForRead) as Layout;plotInfo.Layout = layout.ObjectId;plotInfo.OverrideSettings = plotSettings;plotInfo.DeviceOverride = plotConfig;plotInfo.ValidatedConfig = plotConfig;plotInfoValidator.MediaMatchingPolicy = MatchingPolicy.MatchEnabled;plotInfoValidator.Validate(plotInfo);// 使用PlotEngine对象开始打印using (PlotEngine plotEngine = PlotFactory.CreatePublishEngine()){// 执行打印操作plotEngine.BeginPlot(null, null);plotEngine.BeginDocument(plotInfo, acDoc.Name, null, 1, true, outputName);PlotPageInfo pageInfo = new PlotPageInfo();plotEngine.BeginPage(pageInfo, plotInfo, true, null);plotEngine.BeginGenerateGraphics(null);plotEngine.EndGenerateGraphics(null);plotEngine.EndPage(null);plotEngine.EndDocument(null);plotEngine.EndPlot(null);}}}}
}