public static void CloseInstance()
{
if (powerPointApp != null)
{
powerPointApp.Quit();
System.Runtime.InteropServices.Marshal.ReleaseComObject(powerPointApp);
powerPointApp = null;
}
}
private void ShutdownPowerPoint( )
{
if (_powerPoint == null)
{
return;
}
try
{
_powerPoint.Quit( );
}
catch (System.Runtime.InteropServices.COMException ex)
{
_tracer.TraceException(ex);
}
catch (Exception ex)
{
_tracer.TraceException(ex);
}
COM_Object.Release(_powerPoint);
}
private void ppt_start()
{
if (pptApp != null)
{
log("尝试关闭旧的ppt程序...");
try
{
log("释放旧的ppt com对象...");
pptApp.Quit();
Marshal.ReleaseComObject(pptApp);
}
catch (Exception e)
{
error("释放ppt com对象失败{0}...内存泄漏+1", e.Message);
}
}
killOldProcess(ppt_name);
pptApp = new PowerPoint.Application();
log("ppt com建立完毕");
}
private void ShowPresentation()
{
String strDest = Environment.CurrentDirectory + "\\" + txtSaveAs.Text + ".ppt";
PowerPoint.Application objApp;
PowerPoint.Presentations objPresSet;
PowerPoint._Presentation objPres;
PowerPoint.SlideShowSettings objSSS;
PowerPoint.SlideShowWindows objSSWs;
//Create a new presentation based on a template.
objApp = new PowerPoint.Application();
objApp.Visible = MsoTriState.msoTrue;
objPresSet = objApp.Presentations;
int iCurCnt = 1;
int iSlideCnt = 0;
objPres = objPresSet.Add(Microsoft.Office.Core.MsoTriState.msoFalse);
for (int i = 0; i < lstList.Items.Count; i++)
{
PowerPoint._Presentation objPresOpen;
objPresOpen = objPresSet.Open(lstList.Items[i].Text, MsoTriState.msoTrue, MsoTriState.msoTrue,
MsoTriState.msoFalse);
iSlideCnt = objPresOpen.Slides.Count;
objPres.Slides.InsertFromFile(lstList.Items[i].Text, iCurCnt - 1, 1, iSlideCnt);
for (int j = 1, iCount = iCurCnt; j <= iSlideCnt; j++, iCount++)
{
PowerPoint.Slide slide = objPres.Slides.Item(iCount);
slide.Design = objPresOpen.Slides.Item(j).Design;
slide.ColorScheme = objPresOpen.Slides.Item(j).ColorScheme;
slide.FollowMasterBackground = MsoTriState.msoTrue;
slide.DisplayMasterShapes = MsoTriState.msoTrue;
}
objPresOpen.Close();
iCurCnt += iSlideCnt;
}
objPres.SaveAs(strDest, PowerPoint.PpSaveAsFileType.ppSaveAsPresentation,
MsoTriState.msoTrue);
objPres.Close();
objPres = objPresSet.Open(strDest, MsoTriState.msoTrue, MsoTriState.msoTrue,
MsoTriState.msoTrue);
//Prevent Office Assistant from displaying alert messages:
objApp.Assistant.On = false;
objApp.Assistant.Visible = false;
//Run the Slide show from slides 1 thru 3.
objSSS = objPres.SlideShowSettings;
objSSS.StartingSlide = 1;
objSSS.EndingSlide = iCurCnt - 1;
objSSS.Run();
//Wait for the slide show to end.
objSSWs = objApp.SlideShowWindows;
while (objSSWs.Count >= 1)
{
System.Threading.Thread.Sleep(100);
}
//Close the presentation without saving changes and quit PowerPoint.
objPres.Close();
objApp.Quit();
}