/// <summary>
/// Performs basic validation on the file being analyzed by this <see cref="FileAnalyzer" />.
/// </summary>
/// <returns>A <see cref="FileValidationResult" /> object representing the result of validation.</returns>
public override FileValidationResult Validate()
{
try
{
using (PowerPointApp app = new PowerPointApp())
{
app.Open(File);
}
return(FileValidationResult.Pass);
}
catch (COMException ex)
{
LogWarn("File failed to open: " + ex.Message);
return(FileValidationResult.Fail(ex.Message));
}
}
/// <summary>
/// Gets information about a document, such as page count, title, and author.
/// </summary>
/// <returns>A <see cref="DocumentProperties" /> object.</returns>
public override DocumentProperties GetProperties()
{
DocumentProperties properties = new DocumentProperties(File);
try
{
using (PowerPointApp app = new PowerPointApp())
{
Presentation presentation = app.Open(File);
properties.Pages = (short)presentation.Slides.Count;
// Get the page orientation
switch (presentation.PageSetup.SlideOrientation)
{
case MsoOrientation.msoOrientationVertical:
properties.Orientation = Orientation.Portrait;
break;
case MsoOrientation.msoOrientationHorizontal:
properties.Orientation = Orientation.Landscape;
break;
case MsoOrientation.msoOrientationMixed:
properties.Orientation = Orientation.Mixed;
break;
}
// Retrieve built-in document properties
properties.Title = presentation.BuiltInDocumentProperties.Item["Title"].Value;
properties.Author = presentation.BuiltInDocumentProperties.Item["Author"].Value;
properties.Application = presentation.BuiltInDocumentProperties.Item["Application Name"].Value;
}
}
catch (COMException ex)
{
// Log the error, then return whatever properties have been collected.
LogWarn("Failure retrieving properties: " + ex.Message);
}
return(properties);
}