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Aktueller Ordner: duesseldorfer-schuelerinventar-visualstudio-client/duesk-wpf/Converters
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BoolToVisibilityConverter.cs

using System;
using System.Globalization;
using System.Windows;
using System.Windows.Data;

namespace DueskWPF.Converters;

[ValueConversion(typeof(bool), typeof(Visibility))]
public class BoolToVisibilityConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        if (value is bool boolValue)
        {
            if (parameter?.ToString() == "Inverse")
                return boolValue ? Visibility.Collapsed : Visibility.Visible;
            return boolValue ? Visibility.Visible : Visibility.Collapsed;
        }
        return Visibility.Collapsed;
    }
    
    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
    {
        if (value is Visibility visibility)
        {
            if (parameter?.ToString() == "Inverse")
                return visibility != Visibility.Visible;
            return visibility == Visibility.Visible;
        }
        return false;
    }
}