aurora/aurora-sharp-desktop/Aurora/Design/Converters/InverseBoolConverter.cs

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2021-03-06 04:10:12 +00:00
using System;
using System.Globalization;
using Xamarin.Forms;
namespace Aurora.Design.Converters
{
public class InverseBoolConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (!(value is bool))
{
throw new InvalidOperationException("The target must be a boolean");
}
return !(bool)value;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return null;
}
}
}