int DropDownWidth(ComboBox myCombo)
{
int maxWidth = 0;
int temp = 0;
Label label1 = new Label();
foreach (var obj in myCombo.Items)
{
label1.Text = obj.ToString();
temp = label1.PreferredWidth;
if (temp > maxWidth)
{
maxWidth = temp;
}
}
label1.Dispose();
return maxWidth;
}