1.          /// <summary>

2.          /// rename PPT

3.          /// </summary>

4.          private static void renamePPT()

5.          {

6.              //add references Microsoft.Office.Interop.PowerPoint

7.              //using PowerPoint = Microsoft.Office.Interop.PowerPoint;

8.              string pptPath = @"R:\LiChao\Temp\test\CCB_F4I;09_Field Work - Part 1 Field Work.ppt";

9.              var app = new PowerPoint.Application();

10.            //add references System.Core

11.            //using Microsoft.Office.Core;

12.            app.Presentations.Open2007(pptPath, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoTrue, MsoTriState.msoFalse);

13.            app.ActivePresentation.SaveAs(@"R:\LiChao\Temp\test\CCB_F4I;09_Field Work - Part 1 Field Work.pptx", PpSaveAsFileType.ppSaveAsDefault, MsoTriState.msoFalse);

14.            app.ActivePresentation.Close();

15.        }