ArcGISRuntimeXamarin.Samples.FeatureLayerQuery.FeatureLayerQuery.OnQueryClicked C# (CSharp) Method

        private async void OnQueryClicked(object sender, EventArgs e)
        {
            // Remove any previous feature selections that may have been made 
            _featureLayer.ClearSelection();

            // Begin query process 
            await QueryStateFeature(_queryTextBox.Text);
        }