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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Data;
namespace Tango.SharedUI.Converters
{
/// <summary>
/// Inversed binding converter for standard boolean to visibility and back.
/// </summary>
public class BooleanToVisibilityInverseConverter : IValueConverter
{
/// <summary>
/// Converts a boolean value to visibility enumeration.
/// </summary>
/// <param name="value">Boolean value.</param>
/// <param name="targetType"></param>
/// <param name="parameter"></param>
/// <param name="culture"></param>
/// <returns></returns>
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if ((bool)value) return Visibility.Collapsed;
return Visibility.Visible;
}
/// <summary>
/// Converts a visibility enumeration to boolean value.
/// </summary>
/// <param name="value">Visibility enumeration</param>
/// <param name="targetType"></param>
/// <param name="parameter"></param>
/// <param name="culture"></param>
/// <returns></returns>
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if ((Visibility)value == Visibility.Visible) return false;
else return true;
}
}
}
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