25 lines
683 B
C#
25 lines
683 B
C#
using System;
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using Xamarin.Forms;
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namespace Bit.App.Utilities
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{
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public class IsNullConverter : IValueConverter
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{
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public object Convert(object value, Type targetType, object parameter,
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System.Globalization.CultureInfo culture)
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{
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if(targetType == typeof(bool))
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{
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return value == null;
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}
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throw new InvalidOperationException("The target must be a boolean.");
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}
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public object ConvertBack(object value, Type targetType, object parameter,
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System.Globalization.CultureInfo culture)
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{
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throw new NotSupportedException();
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}
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}
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}
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