/// <summary>
/// Constructs and initializes a new instance of <see
/// cref="MetadataLibraryObject" /> by reading the contents
/// from a specified position in a specified file.
/// </summary>
/// <param name="file">
/// A <see cref="Asf.File" /> object containing the file from
/// which the contents of the new instance are to be read.
/// </param>
/// <param name="position">
/// A <see cref="long" /> value specify at what position to
/// read the object.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="file" /> is <see langref="null" />.
/// </exception>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="position" /> is less than zero or greater
/// than the size of the file.
/// </exception>
/// <exception cref="CorruptFileException">
/// The object read from disk does not have the correct GUID
/// or smaller than the minimum size.
/// </exception>
public MetadataLibraryObject (Asf.File file, long position)
: base (file, position)
{
if (!Guid.Equals (Asf.Guid.AsfMetadataLibraryObject))
throw new CorruptFileException (
"Object GUID incorrect.");
if (OriginalSize < 26)
throw new CorruptFileException (
"Object size too small.");
ushort count = file.ReadWord ();
for (ushort i = 0; i < count; i ++) {
DescriptionRecord rec = new DescriptionRecord (
file);
AddRecord (rec);
}
}
/// <summary>
/// Adds a record to the current instance.
/// </summary>
/// <param name="record">
/// A <see cref="DescriptionRecord" /> object to add to the
/// current instance.
/// </param>
public void AddRecord (DescriptionRecord record)
{
records.Add (record);
}
