Rock.Web.UI.Controls.LocationPicker.OnPreRender C# (CSharp) Method

        protected override void OnPreRender( EventArgs e )
        {
            var nameEnabled = ( this.AllowedPickerModes & LocationPickerMode.Named ) == LocationPickerMode.Named;
            var addressEnabled = ( this.AllowedPickerModes & LocationPickerMode.Address ) == LocationPickerMode.Address;
            var pointEnabled = ( this.AllowedPickerModes & LocationPickerMode.Point ) == LocationPickerMode.Point;
            var polygonEnabled = ( this.AllowedPickerModes & LocationPickerMode.Polygon ) == LocationPickerMode.Polygon;

            int modesEnabled = 0;

            var currentPickerMode = this.CurrentPickerMode;

            _radNamed.Visible = nameEnabled;
            _radNamed.Checked = currentPickerMode == LocationPickerMode.Named;
            modesEnabled = nameEnabled ? modesEnabled + 1 : modesEnabled;

            _radAddress.Visible = addressEnabled;
            _radAddress.Checked = currentPickerMode == LocationPickerMode.Address;
            modesEnabled = addressEnabled ? modesEnabled + 1 : modesEnabled;

            _radPoint.Visible = pointEnabled;
            _radPoint.Checked = currentPickerMode == LocationPickerMode.Point;
            modesEnabled = pointEnabled ? modesEnabled + 1 : modesEnabled;

            _radPolygon.Visible = polygonEnabled;
            _radPolygon.Checked = currentPickerMode == LocationPickerMode.Polygon;
            modesEnabled = polygonEnabled ? modesEnabled + 1 : modesEnabled;

            _namedPicker.Visible = nameEnabled && currentPickerMode == LocationPickerMode.Named;
            _addressPicker.Visible = addressEnabled && currentPickerMode == LocationPickerMode.Address;
            _pointPicker.Visible = pointEnabled && currentPickerMode == LocationPickerMode.Point;
            _polygonPicker.Visible = polygonEnabled && currentPickerMode == LocationPickerMode.Polygon;

            _pnlModeSelection.Visible = modesEnabled > 1;

            base.OnPreRender( e );
        }