/// <summary>
/// Convert forward function.
/// </summary>
/// <param name="value">The source value.</param>
/// <param name="targetType">The target type.</param>
/// <param name="parameter">The parameter.</param>
/// <param name="culture">The culture info.</param>
/// <returns>The converted value.</returns>
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
bool negated = false;
if (parameter != null)
{
if (!bool.TryParse(parameter.ToString(), out negated))
{
negated = false;
}
}
if (value == null)
{
return(negated ? Visibility.Visible : Visibility.Collapsed);
}
IEnumerable list = value as IEnumerable;
if (!(list is string) && list != null && IEnumerableHelper.GetItemCount(list) > 0)
{
return(negated ? Visibility.Collapsed : Visibility.Visible);
}
if (value != null && !string.IsNullOrEmpty(value.ToString()))
{
return(negated ? Visibility.Collapsed : Visibility.Visible);
}
return(negated ? Visibility.Visible : Visibility.Collapsed);
}
