HashCalculator.GUI/Converters/NullToBooleanConverter.cs
2020-03-28 23:16:45 +01:00

29 lines
762 B
C#

using System;
using System.Globalization;
using System.Windows.Data;
namespace HashCalculator.GUI.Converters
{
[ValueConversion(typeof(object), typeof(bool))]
public class NullToBooleanConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if(value is null)
{
return false;
}
else if(value is string s)
{
return !string.IsNullOrEmpty(s);
}
return true;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}
}