public static UserUrlLinkFrame Get(Tag tag, string description, StringType type, bool create)
{
if (tag == null)
{
throw new ArgumentNullException("tag");
}
if (description == null)
{
throw new ArgumentNullException("description");
}
if (description.Length == 0)
{
throw new ArgumentException("Description must not be empty.", "description");
}
foreach (UserUrlLinkFrame frame in tag.GetFrames <UserUrlLinkFrame>(FrameType.WXXX))
{
if (description.Equals(frame.Description))
{
return(frame);
}
}
if (!create)
{
return(null);
}
UserUrlLinkFrame new_frame = new UserUrlLinkFrame(description, type);
tag.AddFrame(new_frame);
return(new_frame);
}
/// <summary>
/// Gets a specified user text 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="description">
/// A <see cref="string" /> specifying the description to
/// match.
/// </param>
/// <param name="type">
/// A <see cref="StringType" /> specifying the encoding to
/// use if creating a new frame.
/// </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="UserUrlLinkFrame" /> 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 UserUrlLinkFrame Get(Tag tag,
string description,
StringType type,
bool create)
{
if (tag == null)
throw new ArgumentNullException("tag");
if (description == null)
throw new ArgumentNullException("description");
if (description.Length == 0)
throw new ArgumentException(
"Description must not be empty.",
"description");
foreach (UserUrlLinkFrame frame in
tag.GetFrames<UserUrlLinkFrame>(
FrameType.WXXX))
if (description.Equals(frame.Description))
return frame;
if (!create)
return null;
UserUrlLinkFrame new_frame =
new UserUrlLinkFrame(description,
type);
tag.AddFrame(new_frame);
return new_frame;
}
