public void UnregisterNoFrameDataCallback(NoFrameDataDelegate callback)
 {
     if (callback != null)
     {
         noFrameDataCallbacks.Remove(callback);
     }
 }
		public void UnregisterNoFrameDataCallback( NoFrameDataDelegate callback )
		{
			if( callback != null )
			{
				noFrameDataCallbacks.Remove( callback );
			}
		}
 public void RegisterNoFrameDataCallback(NoFrameDataDelegate callback)
 {
     if (callback != null)
     {
         noFrameDataCallbacks.Add(callback);
     }
 }
		public void RegisterNoFrameDataCallback( NoFrameDataDelegate callback )
		{
			if( callback != null )
			{
				noFrameDataCallbacks.Add( callback );
			}
		}