private void Layer_MouseLeftButtonDown(object sender, GraphicMouseButtonEventArgs args)
{
if (this.displayAttribute && sender is FeatureLayer)
{
FeatureLayer featureLayer = sender as FeatureLayer;
TemplatePicker.ShowAttributeForm(featureLayer, args.Graphic);
this.displayAttribute = this.Continuous;
args.Handled = true;
}
}