/// <summary>
/// Clears all sequence items present in the attribute.
/// </summary>
/// <remarks>
/// This method is only meaningfull if this instance has a VR SQ.
/// </remarks>
public override void ClearItems()
{
if (this.VR == VR.SQ)
{
DvtkDataSequence.Clear();
}
else
{
Thread.WriteWarningCurrentThread("Clearing the sequence items of an attribute with tag sequence " + TagSequence.ToString() + " and VR " + this.VR.ToString() + ". Doing nothing.");
}
}