Files
gif-resizer/GifResizer/Views/Converter/VisibleWhenNullConverter.cs

21 lines
650 B
C#

using System.Globalization;
using System.Windows;
using System.Windows.Data;
namespace GifResizer.Views.Converter;
public class VisibleWhenNullConverter : IValueConverter
{
public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
{
bool invert = parameter?.ToString() == "invert";
bool isVisible = invert ? value != null : value == null;
return isVisible ? Visibility.Visible : Visibility.Collapsed;
}
public object ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}