更新整理

ShrlAlgoToolkit.Mvvm/Behaviors/CloseByButtonBehavior.cs

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+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using Microsoft.Xaml.Behaviors;
+
+namespace ShrlAlgoToolkit.Mvvm.Behaviors;
+
+//<Windows x:Class="WpfApplication6.Window1"
+//        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+//        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+//        xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
+//        xmlns:local="clr-namespace:WpfApplication6"
+//        Title="Window1" Height="300" Width="300">
+//    <i:Interaction.Behaviors>
+//        <local:CloseByButtonBehavior CloseButton="{Binding ElementName=closeButton}"/>
+//    </i:Interaction.Behaviors>
+//    <Grid>
+//        <Button Name="closeButton">CloseTrigger</Button>
+//    </Grid>
+//</Windows>
+/// <summary>
+/// 通过按钮点击，关闭窗口
+/// </summary>
+public class CloseByButtonBehavior : Behavior<Window>
+{
+	public static readonly DependencyProperty CommandProperty = DependencyProperty.Register(
+		nameof(Command),
+		typeof(ICommand),
+		typeof(CloseByButtonBehavior)
+	);
+
+	public static readonly DependencyProperty CommandParameterProperty = DependencyProperty.Register(
+		nameof(CommandParameter),
+		typeof(object),
+		typeof(CloseByButtonBehavior)
+	);
+
+	public static readonly DependencyProperty CloseButtonProperty = DependencyProperty.Register(
+		nameof(CloseButton),
+		typeof(Button),
+		typeof(CloseByButtonBehavior),
+		new FrameworkPropertyMetadata(null, OnCloseButtonChanged)
+	);
+
+	public ICommand Command
+	{
+		get => (ICommand)GetValue(CommandProperty);
+		set => SetValue(CommandProperty, value);
+	}
+
+	public object CommandParameter
+	{
+		get => GetValue(CommandParameterProperty);
+		set => SetValue(CommandParameterProperty, value);
+	}
+
+	public Button CloseButton
+	{
+		get => (Button)GetValue(CloseButtonProperty);
+		set => SetValue(CloseButtonProperty, value);
+	}
+
+	private static void OnCloseButtonChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+	{
+		var window = ((CloseByButtonBehavior)d).AssociatedObject;
+		((Button)e.NewValue).Click += (s, e1) =>
+		{
+			var command = ((CloseByButtonBehavior)d).Command;
+			var commandParameter = ((CloseByButtonBehavior)d).CommandParameter;
+			command?.Execute(commandParameter);
+			window.Close();
+		};
+	}
+}