Mono.TextEditor.TextViewMargin.RefreshSearchMarker C# (CSharp) Method

		public void RefreshSearchMarker ()
		{
			if (textEditor.HighlightSearchPattern) {
				DisposeSearchPatternWorker ();
				SearchWorkerArguments args = new SearchWorkerArguments () {
					FirstLine = YToLine (textEditor.VAdjustment.Value),
					LastLine = YToLine (textEditor.Allocation.Height + textEditor.VAdjustment.Value),
					OldRegions = selectedRegions,
					Engine = textEditor.GetTextEditorData ().SearchEngine.Clone (),
					Text = textEditor.Text
				};

				if (string.IsNullOrEmpty (textEditor.SearchPattern)) {
					if (selectedRegions.Count > 0) {
						UpdateRegions (selectedRegions, args);
						selectedRegions.Clear ();
					}
					return;
				}

				searchPatternWorker = new System.ComponentModel.BackgroundWorker ();
				searchPatternWorker.WorkerSupportsCancellation = true;
				searchPatternWorker.DoWork += SearchPatternWorkerDoWork;
				searchPatternWorker.RunWorkerAsync (args);
			}
		}