1. Portable Class Library
Nat
2014/03/14

2. Problem
• The same code can’t reuse in these Platforms
• .NET Framework
• .NET for Windows Store apps
• Windows Phone
• Silverlight
• Xbox
• If want to cross platform, only do copy and paste

3. Solution
• The Portable Class Library project supports a subset of assemblies
from the .NET Framework, Silverlight, .NET for Windows Store apps,
Windows Phone, and Xbox 360

4. Prerequisites
• VS2012+
• VS2010 has install Portable Library Tools 2
• http://visualstudiogallery.msdn.microsoft.com/b0e0b5e9-e138-410b-ad10-
00cb3caf4981/

5. Target Platforms

6. Supported Features

7. Supported Types and Members
• They must be shared across the target platforms you selected.
• 它們必須在您選取的目標平台之間共用。
• The must behave similarly across those platforms.
• 它們必須在這些平台上具有類似的行為。
• They must not be candidates for deprecation.
• 它們不能是要被取代的候選項。
• They must make sense in a portable environment, especially when
supporting members are not portable.
• 它們在可攜式環境中必須是合理的，尤其是支援成員無法移植時。

8. Find supported in the Portable Class
Library

9. Supporting the Model-View-View Model
(MVVM) Pattern
• When you target the .NET Framework 4.5, .NET for Windows Store
apps, Silverlight, and Windows Phone
• System.Collections.ObjectModel.ObservableCollection<T>
• System.Collections.ObjectModel.ReadOnlyObservableCollection<T>
• System.Collections.Specialized.INotifyCollectionChanged
• System.Collections.Specialized.NotifyCollectionChangedAction
• System.Collections.Specialized.NotifyCollectionChangedEventArgs
• System.Collections.Specialized.NotifyCollectionChangedEventHandler
• System.ComponentModel.DataErrorsChangedEventArgs
• System.ComponentModel.INotifyDataErrorInfo
• System.ComponentModel.INotifyPropertyChanged
• System.Windows.Input.ICommand

10. Creating a Portable Class Library Project

11. Reference
• Cross-Platform Development with the .NET Framework
• http://msdn.microsoft.com/en-us/library/gg597391(v=vs.110).aspx