Gestor.Application/Converters/NullToTrueConverter.cs


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using System;
using System.Globalization;
using System.Windows.Data;
using System.Windows.Markup;

namespace Gestor.Application.Converters
{
	public class NullToTrueConverter : MarkupExtension, IValueConverter
	{
		public NullToTrueConverter()
		{
		}

		public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
		{
			if (value == null)
			{
				return true;
			}
			return (bool)value;
		}

		public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
		{
			if (value == null)
			{
				return true;
			}
			return (bool)value;
		}

		public override object ProvideValue(IServiceProvider serviceProvider)
		{
			return this;
		}
	}
}