ILSpy/ILSpy/Controls/BoolToVisibilityConverter.cs

// Copyright (c) 2018 Siegfried Pammer
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE

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

namespace ICSharpCode.ILSpy.Controls
{
	public class BoolToVisibilityConverter : IValueConverter
	{
		public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
		{
			if (!(parameter is Visibility notVisible))
				notVisible = Visibility.Collapsed;
			if (!(value is bool b))
				return notVisible;
			return b ? Visibility.Visible : notVisible;
		}

		public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
		{
			if (!(value is Visibility visibility))
				return false;
			return visibility == Visibility.Visible;
		}
	}
}