private void FitDropDownToContent()
{
Size preferedSize = listBox.GetPreferredSize(new Size(Width, 600));
int width = Math.Max(preferedSize.Width, Width);
int height = Math.Max(96, preferedSize.Height);
dropdown.MaximumSize = new Size(Width, height + 20);
dropdown.ClientSize = new Size(width, height);
listBox.Refresh();
}
