private void PPTAs(string infile, string outfile, PpSaveAsFileType targetFileType)
{
object missing = Type.Missing;
Presentation persentation = null;
PowerPoint.Application pptApp = null;
try
{
pptApp = new PowerPoint.Application();
persentation = pptApp.Presentations.Open(infile, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoFalse);
persentation.SaveAs(outfile, targetFileType, Microsoft.Office.Core.MsoTriState.msoTrue);
}
catch (Exception ex)
{
log.ErrorFormat("PPT {0} 转换出错，异常信息: {1}", infile, ex.Message);
}
finally
{
if (persentation != null)
{
persentation.Close();
persentation = null;
}
if (pptApp != null)
{
pptApp.Quit();
pptApp = null;
}
}
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
GC.WaitForPendingFinalizers();
}
protected override bool doConvertToPdf(string saveAsFile)
{
PpSaveAsFileType fileFormat = PpSaveAsFileType.ppSaveAsPDF;
this.persentation.SaveAs(saveAsFile, fileFormat, MsoTriState.msoFalse);
return(true);
}
//将ppt文档转换成PDF格式
private bool FConvertPPT(string sourcePath, string targetPath
//, PpSaveAsFileType targetFileType
)
{
PpSaveAsFileType targetFileType = PpSaveAsFileType.ppSaveAsPDF;
bool result;
object missing = Type.Missing;
PowerPoint.ApplicationClass application = null;
Presentation persentation = null;
try
{
application = new PowerPoint.ApplicationClass();
persentation = application.Presentations.Open(sourcePath, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoFalse);
persentation.SaveAs(targetPath, targetFileType, Microsoft.Office.Core.MsoTriState.msoTrue);
result = true;
}
catch
{
result = false;
}
finally
{
if (persentation != null)
{
persentation.Close();
persentation = null;
}
if (application != null)
{
application.Quit();
application = null;
}
System.GC.Collect();
System.GC.WaitForPendingFinalizers();
System.GC.Collect();
System.GC.WaitForPendingFinalizers();
}
return(result);
}
/// <summary>
/// PowerPoint格式转换(默认转成PDF)
/// </summary>
/// <param name="sourcePath">源路径</param>
/// <param name="targetPath">目标路径</param>
/// <param name="targetFileType">转换类型</param>
/// <returns></returns>
public static bool PowerPointConvert(string sourcePath, string targetPath, PpSaveAsFileType targetFileType = PpSaveAsFileType.ppSaveAsPDF)
{
Microsoft.Office.Interop.PowerPoint.ApplicationClass pptApplication = null;
Presentation pptPersentation = null;
try
{
pptApplication = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();
pptPersentation = pptApplication.Presentations.Open(sourcePath, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoFalse);
pptPersentation.SaveAs(targetPath, targetFileType, MsoTriState.msoTrue);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
throw;
}
finally
{
if (pptPersentation != null)
{
pptPersentation.Close();
}
if (pptApplication != null)
{
int k;
var t = new IntPtr(pptApplication.HWND);
GetWindowThreadProcessId(t, out k);
var p = System.Diagnostics.Process.GetProcessById(k);
pptApplication.Quit();
p.Kill();
}
GC.Collect();
GC.WaitForPendingFinalizers();
}
return(true);
}
public void SaveCopyAs(string FileName, PpSaveAsFileType FileFormat = PpSaveAsFileType.ppSaveAsDefault, Microsoft.Office.Core.MsoTriState EmbedTrueTypeFonts = Microsoft.Office.Core.MsoTriState.msoTriStateMixed)
{
throw new NotImplementedException();
}
public void PPT2Image(string infile, string outfile)
{
PpSaveAsFileType targetFileType = PpSaveAsFileType.ppSaveAsPNG;
PPTAs(infile, outfile, targetFileType);
}
public void SaveCopyAs(string FileName, PpSaveAsFileType FileFormat = PpSaveAsFileType.ppSaveAsDefault, Microsoft.Office.Core.MsoTriState EmbedTrueTypeFonts = Microsoft.Office.Core.MsoTriState.msoTriStateMixed)
{
throw new NotImplementedException();
}
