/// <summary>
/// un register virtual text marker.
/// </summary>
/// <param name='marker'>
/// marker.
/// </param>
public void UnRegisterVirtualTextMarker (IExtendingTextLineMarker marker)
{
var keys = new List<int> (from pair in virtualTextMarkers where pair.Value == marker select pair.Key);
keys.ForEach (key => { virtualTextMarkers.Remove (key); CommitLineUpdate (key); });
}
public void RegisterVirtualTextMarker (int lineNumber, IExtendingTextLineMarker marker)
{
virtualTextMarkers[lineNumber] = marker;
}