BooleanToVisibilityConverter.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Framework / System / Windows / Controls / BooleanToVisibilityConverter.cs / 1 / BooleanToVisibilityConverter.cs
                        

                        
                            //---------------------------------------------------------------------------- 
//
// Copyright (C) Microsoft Corporation.  All rights reserved.
//
//--------------------------------------------------------------------------- 

using System; 
using System.ComponentModel; 
using System.Windows;
using System.Windows.Media; 
using System.Windows.Data;
using System.Globalization;
using System.Collections.Generic;
 
using MS.Internal.Controls;
 
 
namespace System.Windows.Controls
{ 
    /// 
    /// Convert between boolean and visibility
    /// 
    [Localizability(LocalizationCategory.NeverLocalize)] 
    public sealed class BooleanToVisibilityConverter : IValueConverter
    { 
        ///  
        /// Convert bool or Nullable<bool> to Visibility
        ///  
        /// bool or Nullable<bool>
        /// Visibility
        /// null
        /// null 
        /// Visible or Collapsed
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture) 
        { 
            bool bValue = false;
            if (value is bool) 
            {
                bValue = (bool)value;
            }
            else if (value is Nullable) 
            {
                Nullable tmp = (Nullable)value; 
                bValue = tmp.HasValue ? tmp.Value : false; 
            }
            return (bValue) ? Visibility.Visible : Visibility.Collapsed; 
        }

        /// 
        /// Convert Visibility to boolean 
        /// 
        ///  
        ///  
        /// 
        ///  
        /// 
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is Visibility) 
            {
                return (Visibility)value == Visibility.Visible; 
            } 
            else
            { 
                return false;
            }
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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