添加项目文件。

Sai.Toolkit.Mvvm/AttachedProps/TextSearch.cs

@@ -0,0 +1,42 @@
+using System.Windows;
+
+namespace Sai.Toolkit.Mvvm.AttachedProps;
+
+public class TextSearch
+{
+	// Using a DependencyProperty as the backing store for IsTextMatch.  This enables animation, styling, binding, etc...
+	public static readonly DependencyProperty IsTextMatchProperty = DependencyProperty.RegisterAttached(
+		"IsTextMatch",
+		typeof(bool),
+		typeof(TextSearch),
+		new UIPropertyMetadata(false)
+	);
+
+	// Using a DependencyProperty as the backing store for SearchValue.  This enables animation, styling, binding, etc...
+	public static readonly DependencyProperty SearchValueProperty = DependencyProperty.RegisterAttached(
+		"SearchValue",
+		typeof(string),
+		typeof(TextSearch),
+		new FrameworkPropertyMetadata(string.Empty, FrameworkPropertyMetadataOptions.Inherits)
+	);
+
+	public static bool GetIsTextMatch(DependencyObject obj)
+	{
+		return (bool)obj.GetValue(IsTextMatchProperty);
+	}
+
+	public static string GetSearchValue(DependencyObject obj)
+	{
+		return (string)obj.GetValue(SearchValueProperty);
+	}
+
+	public static void SetIsTextMatch(DependencyObject obj, bool value)
+	{
+		obj.SetValue(IsTextMatchProperty, value);
+	}
+
+	public static void SetSearchValue(DependencyObject obj, string value)
+	{
+		obj.SetValue(SearchValueProperty, value);
+	}
+}