bovender framework
C# framework that implements MVVM and more
VisibilityBooleanConverter.cs
1 /* VisibilityBooleanConverter.cs
2  * part of Daniel's XL Toolbox NG
3  *
4  * Copyright 2014-2018 Daniel Kraus
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 using System;
19 using System.Windows;
20 using System.Windows.Data;
21 
22 namespace Bovender.Mvvm.Converters
23 {
24  public class VisibilityBooleanConverter : IValueConverter
25  {
26  public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
27  {
28  if ((bool)value == true)
29  {
30  return Visibility.Visible;
31  }
32  else
33  {
34  return Visibility.Collapsed;
35  }
36  }
37 
38  public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
39  {
40  switch ((Visibility)value)
41  {
42  case Visibility.Visible: return true;
43  case Visibility.Hidden: return false;
44  case Visibility.Collapsed: return false;
45  default:
46  throw new ArgumentException(
47  "No conversion defined for " + ((Visibility)value).ToString());
48  }
49  }
50  }
51 }