/// <summary>
/// Using the Tedds application, create a document with the given filename.
/// Then perform the provided action with the tedds document.
/// </summary>
/// <param name="fileName">File name</param>
/// <param name="saver">Action to perform with the created Tedds document</param>
private void SaveWithTedds(string fileName, Action <ITeddsDocument> saver)
{
IApplication application = null;
ITeddsDocuments documents = null;
ITeddsDocument document = null;
try
{
//Launch Tedds application, or get hold of an already running instance
application = new Application();
#if DEBUG
//If Tedds was not already running, make it visible for debugging purposes
application.Visible = true;
#endif
documents = application.Documents;
//Create a new Tedds document
document = documents.Add3(Path.GetFileNameWithoutExtension(fileName), CalcFileName, CalcItemName, OutputVariablesXml, OutputRtf);
//Perform the given save action on the document
saver(document);
if (!application.Visible)
{
document.Close(false);
//Once the document has been closed this reference is no longer valid and does not need to be freed later
document = null;
}
StatusText = "Tedds document created successfully";
}
catch (COMException ex)
{
StatusText = $"Exception occurred: {ex.Message}";
}
finally
{
//Release objects to close down Tedds application
if (document != null)
{
Marshal.ReleaseComObject(document);
}
if (documents != null)
{
Marshal.ReleaseComObject(documents);
}
if (application != null)
{
Marshal.ReleaseComObject(application);
}
}
}
/// <summary>
/// Convert Tedds document file to PDF. Output file is created in the same location as the input file.
/// </summary>
/// <param name="teddsApp">Tedds application object.</param>
/// <param name="filePath">Full path of Tedds document file or a directory of files to convert.</param>
/// <param name="options">Conversion options.</param>
/// <param name="cancel">Returns true if user cancels operation.</param>
public static void FileConvertTedToPdf(IApplication teddsApp, string fileName, ref ConvertOptions options, ref bool cancel)
{
//Create output file in the same location as the input file but with the PDF file extension
string outputFileName = Path.ChangeExtension(fileName, FileExtension_Pdf);
//Verify whether output file already exists
if (File.Exists(outputFileName))
{
if (options.overwrite == false)
{
return;
}
if (options.overwrite != true && !PromptToOverwrite(outputFileName, ref options, ref cancel))
{
return;
}
}
bool closeDocument = false;
ITeddsDocument document = null;
ITeddsDocuments documents = null;
try
{
documents = teddsApp.Documents;
//Determine if file is already open
try { document = documents[fileName]; }
catch (COMException) { }
if (document == null)
{
document = documents.Open(fileName);
closeDocument = true;
}
if (document != null)
{
document.SaveAsPdf(outputFileName);
if (closeDocument)
{
document.Close();
//Closing the document explicitly destroys the object
//Do not try to release it at the end of this method
document = null;
}
}
Console.WriteLine($"Saved '{fileName}'\n as '{outputFileName}'");
}
catch (COMException e)
{
Console.WriteLine($"Error converting document '{fileName}'\n{e}");
}
finally
{
//Explicitely release references to COM objects
if (document != null)
{
Marshal.ReleaseComObject(document);
}
if (documents != null)
{
Marshal.ReleaseComObject(documents);
}
}
}
