WinForm中如何预览Office文件

 //ElementHost private System.Windows.Forms.Integration.ElementHost elementHost1; //XpsPreviewer变量 private WPF.XpsPreviewer xpsPreviewer1; private void InitializeComponent() { this.elementHost1 = new System.Windows.Forms.Integration.ElementHost(); this.xpsPreviewer1 = new WPF.XpsPreviewer(); //初始化 //其他属性初始化... this.elementHost1.Child = this.xpsPreviewer1; //其他属性初始化... } 

 /// 
 /// 加载XPS文件 /// 
 /// XPS文件名 internal void LoadXps(string fileName) { var xpsDocument = new XpsDocument(fileName, FileAccess.Read); this.xpsPreviewer1.documentViewer.Document = xpsDocument.GetFixedDocumentSequence(); xpsDocument.Close(); } 

 /// 
 /// 将Excel文件转换为XPS文件 /// 
 /// Excel文件名 /// 转换的xps文件名 public void ConvertExcelToXps(string excelFileName, string xpsFileName) { if (string.IsNullOrWhiteSpace(excelFileName)) throw new ArgumentNullException(excelFileName); if (string.IsNullOrWhiteSpace(xpsFileName)) throw new ArgumentNullException(xpsFileName); var fileInfo = new FileInfo(xpsFileName); if (!fileInfo.Directory.Exists) fileInfo.Directory.Create(); //删除已存在的文件 if (File.Exists(xpsFileName)) File.Delete(xpsFileName); Excel.Application app = new Excel.Application(); app.DisplayAlerts = false; Excel.Workbooks wbs; Excel.Workbook wb; wbs = app.Workbooks; wb = wbs.Add(excelFileName); dynamic Nothing = System.Reflection.Missing.Value; wb.ExportAsFixedFormat(Excel.XlFixedFormatType.xlTypeXPS, xpsFileName, Nothing, Nothing, Nothing, Nothing, Nothing, Nothing, Nothing); wb.Close(true); wbs.Close(); app.Quit(); KillExcelProcess(app); } 

 [DllImport("User32.dll")] private static extern int GetWindowThreadProcessId(IntPtr hWnd, out int ProcessId); /// 
 /// 结束Excel进程 /// 
 ///  private void KillExcelProcess(Excel.Application app) { if (app == null) return; try { IntPtr intptr = new IntPtr(app.Hwnd); int id; GetWindowThreadProcessId(intptr, out id); var p = Process.GetProcessById(id); p.Kill(); } catch { } }