private async void Initialize() { // Saying hello to the current user WelcomeMessage.Text = $"Welcome {UnicontaAPIManager.GetCurrentUsername()}"; // Creating CompanyPicker CompanyPicker.ItemDisplayBinding = new Binding("Name"); CompanyPicker.ItemsSource = UnicontaAPIManager.GetCompanies(); CompanyPicker.SelectedItem = UnicontaAPIManager.GetCurrentCompany(); CompanyPicker.SelectedIndexChanged += CompanyPicker_SelectedIndexChanged; // Create CustomerPicker CustomerPicker.ItemDisplayBinding = new Binding("KeyName"); CustomerPicker.SelectedIndexChanged += CustomerPicker_SelectedIndexChanged; // Create ToggleButton ToggleButton.Clicked += ToggleButton_Clicked; // Refreshing Data await RefreshCustomers(); }