livia-test/Livia/Views/Converters/NullableToVisibilityCollapsedConverter.cs
2025-03-28 14:31:53 +08:00

20 lines
586 B
C#

using System.Globalization;
using System.Windows;
using System.Windows.Data;
namespace Livia.Views.Converters;
[ValueConversion(typeof(object), typeof(Visibility))]
public class NullableToVisibilityCollapsedConverter : IValueConverter
{
public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
{
return value == null ? Visibility.Collapsed : Visibility.Visible;
}
public object ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
{
throw new NotSupportedException();
}
}