private void pwerPntBtn_MouseEnter(object sender, EventArgs e)
{
this.mpModeBtn.BackColor = Color.Black;
this.pwerPntBtn.BackColor = Color.Coral;
this.browserModeBtn.BackColor = Color.Black;
Auxiliar.modoDeOperacao = Auxiliar.ModoDeOperacao.POWERPOINT;
this.colorPal.Visible = false;
MessageForm frm = new MessageForm("Presentation Mode");
Principal.ppt = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();
frm.Show();
}
public override bool PPT2HTML(string sourcePath, string targetPath, string targetRelativeDirectory)
{
Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType targetFileType = Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType.ppSaveAsJPG;
object missing = Type.Missing;
Microsoft.Office.Interop.PowerPoint.Application pptApp = null;
Microsoft.Office.Interop.PowerPoint.Presentation presentation = null;
try
{
if (!sourcePath.EndsWith(".ppt") && !sourcePath.EndsWith(".pptx"))
{
return(false);
}
if (File.Exists(targetPath))
{
File.Delete(targetPath);
}
object target = targetPath;
pptApp = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();
Microsoft.Office.Interop.PowerPoint.Presentations presentations = pptApp.Presentations;
presentation = presentations.Open(sourcePath, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoFalse);
presentation.SaveAs(targetPath, targetFileType, Microsoft.Office.Core.MsoTriState.msoTrue);
}
catch (Exception e)
{
Log.LogInfo("ppt转换html:", e);
return(false);
}
finally
{
if (presentation != null)
{
presentation.Close();
presentation = null;
}
if (pptApp != null)
{
pptApp.Quit();
pptApp = null;
}
GC.Collect();
GC.WaitForPendingFinalizers();
}
pptHelper(targetPath, targetRelativeDirectory);
return(true);
}
///<summary>
/// 把PowerPoint文件转换成PDF格式文件
///</summary>
///<param name="sourcePath">源文件路径(物理路径)</param>
///<param name="targetPath">目标文件路径(物理路径)</param>
///<returns>true=转换成功</returns>
public static bool PPTConvertToPDF(string sourcePath, string targetPath)
{
bool result;
Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType targetFileType = Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType.ppSaveAsPDF;
object missing = Type.Missing;
Microsoft.Office.Interop.PowerPoint.ApplicationClass application = null;
Microsoft.Office.Interop.PowerPoint.Presentation persentation = null;
try
{
application = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();
//打开
persentation = application.Presentations.Open(sourcePath, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoFalse);
if (persentation != null)
{
//写入
persentation.SaveAs(targetPath, targetFileType, MsoTriState.msoTrue);
}
result = true;
}
catch
{
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> 把PowerPoint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 PowerPointToBMP(string sourcePath, string targetPath)
{
bool result = false;
Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType targetFileType = Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType.ppSaveAsBMP;
object missing = Type.Missing;
Microsoft.Office.Interop.PowerPoint.ApplicationClass application = null; Microsoft.Office.Interop.PowerPoint.Presentation persentation = null;
try
{
application = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();
//application.Visible = MsoTriState.msoFalse;
persentation = application.Presentations.Open(sourcePath, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoFalse);
persentation.SaveAs(targetPath, targetFileType, MsoTriState.msoTrue);
result = true;
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
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);
}
//dll import end
static void Main(string[] args)
{
StringBuilder name = new StringBuilder(128);
UInt32 len = 128;
int result = GetComputerName(name, ref len);
Console.WriteLine(name);
emp e = new emp();
e.name = "bob";
emp e2 = new emp();
e2 = (emp)e.Clone();
e.print_t4();
//disposing of class memory
//1. Make it null
e = null; //does not remove the memory immediately
//2. Put in brackets
{
emp f = new emp(); //does not remove the memory immediately
}
//3. Do 1 or 2 and then issue Collect command
System.GC.Collect(); //memory is gone
//4. Use IDisposable interface to remove memory
using (emp g = new emp())
{
//do coding here
}//memory is removed here
//call a DLL from .NET
string person = Microsoft.VisualBasic.Interaction.InputBox("Enter your name");
Console.WriteLine(person);
//call a COM program
Microsoft.Office.Interop.PowerPoint.ApplicationClass p = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();
//p.Help();
Console.ReadLine();
}
private void PPTToPDF(string path, string extend)
{
string filePath = HttpContext.Current.Server.MapPath(path);
string outPath = HttpContext.Current.Server.MapPath(path).Replace(extend, ".pdf");
Microsoft.Office.Interop.PowerPoint.ApplicationClass application = null;
Microsoft.Office.Interop.PowerPoint.Presentation presentation = null;
try
{
application = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();
presentation = application.Presentations.Open(filePath, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoFalse);
presentation.SaveAs(outPath, Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType.ppSaveAsPDF, MsoTriState.msoTrue);
Utils.StringToTxt("UploadHandler.ashx=>PPTToPDF：成功");
}
catch (Exception ex)
{
Utils.StringToTxt("UploadHandler.ashx=>PPTToPDF：失败。" + ex.Message);
throw new Exception(ex.Message);
}
finally
{
if (presentation != null)
{
presentation.Close();
presentation = null;
}
if (application != null)
{
application.Quit();
application = null;
}
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
GC.WaitForPendingFinalizers();
}
}
/// <summary>
/// 把PowerPoint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 PowerPointToPDF(string sourcePath, string targetPath)
{
targetPath = Regex.Replace(targetPath, " ", "", RegexOptions.IgnoreCase);//去除字符串中间的空格
bool result;
Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType targetFileType = Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType.ppSaveAsPDF;
object missing = Type.Missing;
Microsoft.Office.Interop.PowerPoint.ApplicationClass application = null;
Microsoft.Office.Interop.PowerPoint.Presentation persentation = null;
try
{
bool TimeOver = false; //转换时间到了
System.Timers.Timer timer = new System.Timers.Timer(30000);
timer.AutoReset = false; //只循环一次
timer.Elapsed += delegate(object sender, System.Timers.ElapsedEventArgs e)
{
TimeOver = true;
};
timer.Start();
Thread th = new Thread(new ThreadStart(delegate()
{
try
{
application = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();
//application.Visible = MsoTriState.msoFalse;
persentation = application.Presentations.Open(sourcePath, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoFalse);
persentation.SaveAs(targetPath, targetFileType, Microsoft.Office.Core.MsoTriState.msoTrue);
}
catch
{
}
}));
th.IsBackground = true;//后台线程
th.Start();
//如果转换没有成功就一直循环
while (th.ThreadState != System.Threading.ThreadState.Stopped)
{
//如果一直没有转换成功，但是最大的转换时间到了也直接跳出While循环
if (TimeOver)
{
break;
}
}
if (th.ThreadState != System.Threading.ThreadState.Stopped)
{
th.Abort();
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
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();
}
//判断文件是否转换成功
if (File.Exists(targetPath))
{
return(true);
}
else
{
return(false);
}
}
