/// <summary>
/// returns the valid file extension for the instance. for example ".ppt" or ".pptx"
/// </summary>
/// <param name="application">the instance</param>
/// <returns>the extension</returns>
private static string GetDefaultExtension(PowerPoint.Application application)
{
double Version = Convert.ToDouble(application.Version, CultureInfo.InvariantCulture);
if (Version >= 12.00)
return ".pptx";
else
return ".ppt";
}
public PowerPointApi(PPt.Application thisPPtInstance)
{
pptApplication = thisPPtInstance;
}