AppKit.TextKit.Formatter.SourceTextView.OutdentText C# (CSharp) Method

		public void OutdentText() {

			// Grab range
			var range = Formatter.FindLineBoundries(TextStorage.Value, SelectedRange);
			var line = TextStorage.Value.Substring((int)range.Location, (int)range.Length);

			// Decrease tab indent
			var output = DecreaseTabIndent(line);

			// reformat section
			TextStorage.BeginEditing();
			Replace(range, output);
			TextStorage.EndEditing ();
			SelectedRange = new NSRange(range.Location, output.Length);
			Formatter.HighlightSyntaxRegion(TextStorage.Value, SelectedRange);
		}