27 lines
936 B
C#
27 lines
936 B
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Windows.Data;
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using System.Windows;
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namespace DTS.Common.Converters
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{
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[ValueConversion(typeof(List<string>), typeof(Visibility))]
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public class StringListToVisibilityConverter : IValueConverter
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{
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public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
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{
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if (targetType != typeof(Visibility))
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throw new InvalidOperationException("The target must be a Visibility");
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return (((List<string>)value) ?? throw new InvalidOperationException()).Any() ? Visibility.Visible : Visibility.Collapsed;
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}
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public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.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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