优化更新代码，添加界面功能并整合

WPFluent/Controls/NavigationView/NavigationException.cs

@@ -0,0 +1,28 @@
+
+
+
+namespace WPFluent.Abstractions;
+
+/// <summary>
+/// Represents errors that occur during navigation.
+/// </summary>
+public sealed class NavigationException : Exception
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="NavigationException"/> class with a specified error message.
+    /// </summary>
+    /// <param name="message">The message that describes the error.</param>
+    public NavigationException(string message) : base(message)
+    {
+    }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="NavigationException"/> class with a specified error message and a
+    /// reference to the inner exception that is the cause of this exception.
+    /// </summary>
+    /// <param name="e">The exception that is the cause of the current exception.</param>
+    /// <param name="message">The message that describes the error.</param>
+    public NavigationException(Exception e, string message) : base(message, e)
+    {
+    }
+}