23 lines
684 B
C#
23 lines
684 B
C#
using System;
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using System.Globalization;
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using System.Windows;
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using System.Windows.Data;
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namespace HashCalculator.GUI
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{
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[ValueConversion(typeof(string), typeof(Visibility))]
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public class NullToVisibilityConverter : IValueConverter
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{
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public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
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{
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var text = value as string;
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return string.IsNullOrEmpty(text) ? Visibility.Visible : Visibility.Collapsed;
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}
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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{
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throw new NotImplementedException();
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}
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}
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}
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