27 lines
719 B
C#
27 lines
719 B
C#
using Microsoft.UI.Xaml.Data;
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using Microsoft.UI.Xaml;
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using System;
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using System.Collections;
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namespace Harmonia.WinUI.Converters;
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public sealed partial class NullVisibilityConverter : IValueConverter
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{
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public NullVisibilityConverter()
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{
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}
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public object Convert(object value, Type targetType, object parameter, string language)
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{
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if (value is not IList list)
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return value == null ? Visibility.Collapsed : Visibility.Visible;
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return list.Count == 0 ? Visibility.Collapsed : Visibility.Visible;
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}
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public object ConvertBack(object value, Type targetType, object parameter, string language)
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{
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throw new NotImplementedException();
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}
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} |