public override float GetHeight(MonoTouch.UIKit.UITableView tableView, MonoTouch.Foundation.NSIndexPath indexPath)
{
float margin = UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Phone ? 40f : 110f;
SizeF size = new SizeF (tableView.Bounds.Width - margin, float.MaxValue);
string c = Caption;
// ensure the (single-line) Value will be rendered inside the cell
if (String.IsNullOrEmpty (c) && !String.IsNullOrEmpty (Value))
c = " ";
return tableView.StringSize (c, _font, size, UILineBreakMode.WordWrap).Height + 10;
}
