public Task ShowAsync()
        {
            ReplaceWindow dialogWindow = _serviceProvider.GetRequiredService <ReplaceWindow>();

            dialogWindow.Show();

            return(Task.CompletedTask);
        }
        public void OpenWindow(int width, int height)
        {
            replaceWindow = new ReplaceWindow
            {
                Width  = width,
                Height = height
            };

            replaceWindow.Show();
        }