using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Navigation; using System.Windows.Shapes; namespace PDF_Office.CustomControl { /// /// BatchStatus.xaml 的交互逻辑 /// public partial class BatchStatus : UserControl { public BatchStatus() { InitializeComponent(); } public int MaxStatusValue { get { return (int)GetValue(MaxStatusValueProperty); } set { SetValue(MaxStatusValueProperty, value); } } // Using a DependencyProperty as the backing store for MyProperty. This enables animation, styling, binding, etc... public static readonly DependencyProperty MaxStatusValueProperty = DependencyProperty.Register("MaxStatusValue", typeof(int), typeof(BatchStatus), new PropertyMetadata(10)); public string StatusValue { get { return (string)GetValue(StatusValueProperty); } set { SetValue(StatusValueProperty, value); } } // Using a DependencyProperty as the backing store for MyProperty. This enables animation, styling, binding, etc... public static readonly DependencyProperty StatusValueProperty = DependencyProperty.Register("StatusValue", typeof(string), typeof(BatchStatus), new PropertyMetadata("wait", new PropertyChangedCallback(OnPropertyChanged), // 第3个值回调位置 new CoerceValueCallback(OnCoerceValueCallback) // 第2个强制回调位置 ) , new ValidateValueCallback(OnValidateValueCallBack)); static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { (d as BatchStatus).CalculateProgress(e.NewValue.ToString()); } static object OnCoerceValueCallback(DependencyObject d, object obj) { return obj; } static bool OnValidateValueCallBack(object obj) { return true; } void CalculateProgress(string value) { if (value == "wait") { this.wait.Visibility = Visibility.Visible; this.complete.Visibility = Visibility.Hidden; this.error.Visibility = Visibility.Hidden; this.progress.Visibility = Visibility.Hidden; } if (value == "complete") { this.complete.Visibility = Visibility.Visible; this.wait.Visibility = Visibility.Hidden; this.error.Visibility = Visibility.Hidden; this.progress.Visibility = Visibility.Hidden; } if (value == "error") { this.error.Visibility = Visibility.Visible; this.wait.Visibility = Visibility.Hidden; this.complete.Visibility = Visibility.Hidden; this.progress.Visibility = Visibility.Hidden; } if (int.TryParse(value, out _)) { this.progress.Visibility = Visibility.Visible; this.wait.Visibility = Visibility.Hidden; this.complete.Visibility = Visibility.Hidden; this.error.Visibility = Visibility.Hidden; double step = (double.Parse(value) / (double)MaxStatusValue) * Math.PI; progressBar.StrokeDashArray = new DoubleCollection() { step, 10000 }; } } } }