22 lines
806 B
C#
22 lines
806 B
C#
using System.Globalization;
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/// Gib true zurück, wenn die Collection Werte enthält
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namespace Jugenddienst_Stunden.Converter {
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internal class CollectionVisibilityConverter : IValueConverter {
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public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture) {
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if (value is IEnumerable<object> collection) {
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if ((string)parameter == "Invert")
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return !collection.Any();
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return collection.Any();
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}
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if ((string)parameter == "Invert")
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return true;
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return false;
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}
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public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture) {
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throw new NotImplementedException();
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}
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}
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}
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