using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;

// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234238

namespace UWP.Gauges
{
    /// <summary>
    /// An empty page that can be used on its own or navigated to within a Frame.
    /// </summary>
    public sealed partial class AngularGaugeExmple : Page, INotifyPropertyChanged
    {
        private double _value;

        public AngularGaugeExmple()
        {
            InitializeComponent();

            Value = 160;

            DataContext = this;
        }

        public double Value
        {
            get { return _value; }
            set
            {
                _value = value;
                OnPropertyChanged();
            }
        }

        private void ChangeValueOnClick(object sender, RoutedEventArgs e)
        {
            Value = new Random().Next(50, 250);
        }

        public event PropertyChangedEventHandler PropertyChanged;

        public void OnPropertyChanged([CallerMemberName]string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }
    }
}