Sudoku/Complete/Models/Converters/VisibilityValueConverter.cs

42 lines
1.2 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Data;
using System.Globalization;
using System.Windows;
namespace SudokuWeek4.Models.Converters
{
internal class VisibilityValueConverter : IValueConverter
{
private static readonly VisibilityValueConverter _instance = new VisibilityValueConverter();
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (!(value is bool) || targetType != typeof(Visibility))
throw new InvalidCastException();
bool visible = (bool)value;
if (parameter != null)
visible =! visible;
if (visible)
return Visibility.Visible;
else
return Visibility.Hidden;
}
// Create a property to get the instance of the OptionsValue
public static VisibilityValueConverter Instance
{
get { return _instance; }
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}
}