ESRI.ArcGIS.Client.Toolkit.DataSources.Kml.KmlToFeatureDefinition.WaitHelper.AddOne C# (CSharp) Method

            public void AddOne()
            {
                _nbDownloading++;
                if (_waitHandle == null)
                    _waitHandle = new ManualResetEvent(false);
                else
                    _waitHandle.Reset();
            }