WPF Drag And Drop for Files. Each Event at Miniumum

CodeBehind.cs

    private void DNDEnter(object sender, DragEventArgs e)
    {
            if (!e.Data.GetDataPresent(DataFormats.FileDrop) ||
    sender == e.Source)
            {
                e.Effects = DragDropEffects.None;
            }
    }

    private void DNDFeedback(object sender, GiveFeedbackEventArgs e)
    {
        base.OnGiveFeedback(e);
        Mouse.SetCursor(Cursors.Cross);
    }

    private void DNDDrop(object sender, DragEventArgs e)
    {
        if (e.Data.GetDataPresent(DataFormats.FileDrop, true))
        {
            string[] droppedFilePaths = e.Data.GetData(DataFormats.FileDrop, true) as string[];

            foreach (var file in droppedFilePaths)
            {
                    
                var name = System.IO.Path.GetFileName(file);

                this.Title = name;

                ShowJSON(File.ReadAllText(file));

            }
        }
    }
}