47 lines
1.1 KiB
C#
47 lines
1.1 KiB
C#
using System.Windows;
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using Microsoft.Xaml.Behaviors;
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namespace ShrlAlgo.Toolkit.Mvvm.Behaviors;
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/// <summary>
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/// 通过设置属性值，关闭窗口
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/// </summary>
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/// <example>
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/// <c><i:Interaction.Behaviors>
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/// <behavior:CloseByPropertyBehavior CloseTrigger = "{Binding CloseTrigger}" />
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/// </ i:Interaction.Behaviors>
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/// </c>
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/// </example>
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public class CloseByPropertyBehavior : Behavior<Window>
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{
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public static readonly DependencyProperty CloseTriggerProperty = DependencyProperty.Register(
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nameof(CloseTrigger),
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typeof(bool),
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typeof(CloseByPropertyBehavior),
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new PropertyMetadata(false, OnCloseTriggerChanged)
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);
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public bool CloseTrigger
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{
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get => (bool)GetValue(CloseTriggerProperty);
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set => SetValue(CloseTriggerProperty, value);
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}
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private static void OnCloseTriggerChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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if (d is CloseByPropertyBehavior behavior)
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{
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behavior.OnCloseTriggerChanged();
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}
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}
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private void OnCloseTriggerChanged()
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{
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// when closetrigger is true, close the window
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if (CloseTrigger)
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{
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AssociatedObject.Close();
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}
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}
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}
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