public void Generate(SlideshowSettings settings, List <Student> students, PowerPointProgressBar progress, PowerPointGenerationCompleted callback)
{
string powerPointfile = "";
if (settings.templateFilename != null && settings.templateFilename.Length > 0)
{
//If they are using the blank powerpoint use the resource one
if (settings.templateFilename.ToLower() == "_blank.potx")
{
powerPointfile = $@"{AppDomain.CurrentDomain.BaseDirectory}\{BLANK_POWERPOINT}";
}
else
{
powerPointfile = settings.templateFilename;
}
//Create the powerpoint
CreatePowerPoint(powerPointfile, settings, students, progress);
callback(true);
}
else
{
callback(false);
}
}
static void CreatePowerPoint(string template, SlideshowSettings settings, List <Student> students, PowerPointProgressBar progress)
{
progress.Minimum = 0;
progress.Maximum = students.Count;
progress.Value = 0;
Application app;
Presentation presentation;
//Firstly ask where to save
SaveFileDialog dialog = new SaveFileDialog();
dialog.Title = "Save your presentation...";
dialog.Filter = "PowerPoint Presentations|*.pptx";
//Show dialog and hopefully save after all that
if (dialog.ShowDialog().Value == true)
{
//Create the overall slideshow
app = new Application();
presentation = app.Presentations.Open(template, MsoTriState.msoFalse, MsoTriState.msoCTrue, MsoTriState.msoFalse);
//Loop through the students
foreach (Student student in students)
{
//Add slides
AddPhotoSlide(settings, presentation, student);
AddAwardSlide(presentation, student);
//Increase progress values
progress.Value++;
}
//Save time
presentation.SaveAs(dialog.FileName);
//Clean up memory I hope
presentation.Close();
presentation = null;
app = null;
}
}
