C#-WPF-UserControl-生命周期（加载 退出）

C#-WPF-UserControl-生命周期（加载 退出）

当My_Initialize()放在public UC_GaussianFilter(){}中，无法执行

My_Initialize()必须放在private void My_Loaded(){}

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Reflection;
using System.Text;
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;


    public partial class UC_GaussianFilter : UserControl
    {

        private string TAG = "";
        public UC_GaussianFilter()
        {
            InitializeComponent();
            TAG = this.GetType().Name;
            //My_Initialize();
            this.Unloaded += My_Unloaded;
            this.Loaded += My_Loaded;
        }

        private void My_Loaded(object sender, RoutedEventArgs e)
        {
            My_Initialize();
            Debug.WriteLine($"类：{TAG}  方法名{MethodBase.GetCurrentMethod().Name}   功能：加载");
        }

        private void My_Initialize()
        {
            try
            {
                Debug.WriteLine($"类：{TAG}  方法名{MethodBase.GetCurrentMethod().Name}   功能：初始化");
            }
            catch (Exception e)
            {
                Debug.WriteLine($"类：{TAG}  方法名{MethodBase.GetCurrentMethod().Name}   功能：错误");
            }
            
        }
        private void My_Unloaded(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine($"类：{TAG}  方法名{MethodBase.GetCurrentMethod().Name}   功能：退出");
        }
    }