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using System;
#if WINDOWS_UWP
namespace Xamarin.Forms.Platform.UWP
#else
namespace Xamarin.Forms.Platform.WinRT
#endif
{
public sealed class HeightConverter : Windows.UI.Xaml.Data.IValueConverter
{
public object Convert(object value, Type targetType, object parameter, string language)
{
double def;
var ps = parameter as string;
if (string.IsNullOrWhiteSpace(ps) || !double.TryParse(ps, out def))
{
def = double.NaN;
}
var val = (double)value;
return val > 0 ? val : def;
}
public object ConvertBack(object value, Type targetType, object parameter, string language)
{
throw new NotImplementedException();
}
}
}
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