/// <summary>
/// Gets a specified volume adjustment frame from the
/// specified tag, optionally creating it if it does not
/// exist.
/// </summary>
/// <param name="tag">
/// A <see cref="Tag" /> object to search in.
/// </param>
/// <param name="identification">
/// A <see cref="string" /> specifying the identification to
/// match.
/// </param>
/// <param name="create">
/// A <see cref="bool" /> specifying whether or not to create
/// and add a new frame to the tag if a match is not found.
/// </param>
/// <returns>
/// A <see cref="RelativeVolumeFrame" /> object containing
/// the matching frame, or <see langword="null" /> if a match
/// wasn't found and <paramref name="create" /> is <see
/// langword="false" />.
/// </returns>
public static RelativeVolumeFrame Get(Tag tag,
string identification,
bool create)
{
RelativeVolumeFrame rva2;
foreach (Frame frame in tag.GetFrames(FrameType.RVA2))
{
rva2 = frame as RelativeVolumeFrame;
if (rva2 == null)
{
continue;
}
if (rva2.Identification != identification)
{
continue;
}
return(rva2);
}
if (!create)
{
return(null);
}
rva2 = new RelativeVolumeFrame(identification);
tag.AddFrame(rva2);
return(rva2);
}
/// <summary>
/// Creates a deep copy of the current instance.
/// </summary>
/// <returns>
/// A new <see cref="Frame" /> object identical to the
/// current instance.
/// </returns>
public override Frame Clone()
{
RelativeVolumeFrame frame =
new RelativeVolumeFrame(identification);
for (int i = 0; i < 9; i++)
{
frame.channels [i] = channels [i];
}
return(frame);
}
