public void AddPart(string filename)
{
Parts.Add(MmsPart.FromFile(filename));
}
/// <summary>
/// Creates a MmsPart from a file
/// </summary>
/// <param name="filename">A valid path to a existing file</param>
public static MmsPart FromFile(string filename)
{
var name = new FileInfo(filename).Name;
return(MmsPart.FromFile(filename, name));
}