/// <summary>
/// PPT转XPS
/// </summary>
/// <param name="filename">PPT文件位置</param>
/// <returns>xps文件位置</returns>
private string ConvertPPtToXps(string filename)
{
var app = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();
//app.Visible = Microsoft.Office.Core.MsoTriState.msoFalse;
try
{
var p = app.Presentations.Open(filename,
MsoTriState.msoTrue);
var xpsFile = filename.Substring(0, filename.LastIndexOf('.')) + ".xps";
p.SaveAs(xpsFile, PpSaveAsFileType.ppSaveAsXPS);
p.Close();
p = null;
app.Quit();
return(GetFileName(xpsFile));
}
catch (Exception)
{
return("");
}
finally
{
ClearProcesses("POWERPNT");
GC.Collect();
GC.WaitForPendingFinalizers();
}
}
/// <summary>
/// 把PowerPoing文件转换成PDF格式文件
/// </summary>
/// <param name="sourcePath">源文件路径</param>
/// <param name="targetPath">目标文件路径</param>
/// <returns>true=转换成功</returns>
public static bool PPTConvertToPDF(string sourcePath, string targetPath)
{
bool result;
PowerPoint.PpSaveAsFileType targetFileType = PowerPoint.PpSaveAsFileType.ppSaveAsPDF;
object missing = Type.Missing;
PowerPoint.ApplicationClass application = null;
PowerPoint.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 (Exception ex)
{
result = false;
}
finally
{
if (persentation != null)
{
persentation.Close();
persentation = null;
}
if (application != null)
{
application.Quit();
application = null;
}
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
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);
}
/// <summary>
/// 把PowerPoing文件转换成PDF格式文件
/// </summary>
/// <param name="sourcePath">源文件路径</param>
/// <param name="targetPath">目标文件路径</param>
/// <returns>true=转换成功</returns>
public static bool PPTConvertToPDF(string sourcePath, string targetPath)
{
bool result;
PowerPoint.PpSaveAsFileType targetFileType = PowerPoint.PpSaveAsFileType.ppSaveAsPDF;
object missing = Type.Missing;
PowerPoint.ApplicationClass application = null;
PowerPoint.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 (Exception ex)
{
result = false;
}
finally
{
if (persentation != null)
{
persentation.Close();
persentation = null;
}
if (application != null)
{
application.Quit();
application = null;
}
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
GC.WaitForPendingFinalizers();
}
return result;
}
