System.Windows.Controls.ComboBox.UpdatePopupMaxHeight C# (CSharp) Method

		void UpdatePopupMaxHeight (double height)
		{
			if (_popup != null && _popup.Child is FrameworkElement) {
				if (height == double.PositiveInfinity)
					height = Application.Current.Host.Content.ActualHeight / 2.0;
				((FrameworkElement) _popup.RealChild).MaxHeight = height;
			}
		}