hc:Window 窗体在构造函数或 Loaded 函数中调用 this.Close(); 会导致报错

[Sadness96]

Describe the bug

hc:Window 窗体在构造函数或 Loaded 函数中调用 this.Close(); 会导致报错 System.NullReferenceException:“Object reference not set to an instance of an object.”

Steps to reproduce the bug

var window = new Window1();
window.ShowDialog();

public partial class Window1
{
    public Window1()
    {
        InitializeComponent();

        this.Loaded += Window1_Loaded;
    }

    private void Window1_Loaded(object sender, RoutedEventArgs e)
    {
        this.Close();
    }
}

Expected behavior

No response

Screenshots

No response

NuGet package version

None

IDE

Visual Studio 2022

Framework type

.Net 6.0

Windows version

No response

Additional context

No response