private void ListViewItem_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
Window win = new AmountSelector(this.vm);
if (sender is ListViewItem item && item.IsSelected)
{
win.Show();
}
}
private void Timer_Tick(object sender, EventArgs e)
{
Window win = new AmountSelector(this.vm);
if (this.timer.Tag is Termek)
{
win.Show();
}
this.timer.Stop();
}