HandyControl/Net40/HandyControlDemo_Net40/UserControl/Controls/ProgressButtonDemoCtl.xaml.cs

using System;
using System.Windows;
using System.Windows.Threading;

namespace HandyControlDemo.UserControl
{
    public partial class ProgressButtonDemoCtl
    {
        public static readonly DependencyProperty ProgressProperty = DependencyProperty.Register(
            "Progress", typeof(int), typeof(ProgressButtonDemoCtl), new PropertyMetadata(default(int)));

        public int Progress
        {
            get => (int) GetValue(ProgressProperty);
            set => SetValue(ProgressProperty, value);
        }

        public static readonly DependencyProperty IsUploadingProperty = DependencyProperty.Register(
            "IsUploading", typeof(bool), typeof(ProgressButtonDemoCtl), new PropertyMetadata(default(bool)));

        public bool IsUploading
        {
            get => (bool) GetValue(IsUploadingProperty);
            set => SetValue(IsUploadingProperty, value);
        }

        private readonly DispatcherTimer _timer;

        public ProgressButtonDemoCtl()
        {
            InitializeComponent();

            DataContext = this;

            _timer = new DispatcherTimer
            {
                Interval = TimeSpan.FromMilliseconds(200)
            };
            _timer.Tick += Timer_Tick;
        }

        private void Timer_Tick(object sender, EventArgs e)
        {
            Progress++;
            if (Progress == 100)
            {
                Progress = 0;
                _timer.Stop();
                IsUploading = false;
            }
        }

        private void ButtonProgress_OnClick(object sender, RoutedEventArgs e)
        {
            if (_timer.IsEnabled)
            {
                _timer.Stop();
            }
            else
            {
                _timer.Start();
            }
        }
    }
}