Version: 2018.4
Universal Windows Platform: Generated project with .NET scripting backend
Universal Windows Platform: Plugins on .NET Scripting Backend

Universal Windows Platform: Missing .NET Types on .NET Scripting Backend

The .NET scripting backend that is used on Universal Windows Apps is a special .NET version for this platform, which is not entirely compatible with Mono. In particular some data types are missing and some other classes don’t have certain methods, that the same classes do have in Mono.

To make porting existing games to Universal Windows Platform easier, some of the missing .NET types are provided by Unity. In addition some extension methods and replacement types were added to make migration easier. These types are placed in PlaybackEngines\metrosupport\Managed\WinRTLegacy.dll.

Типы, предоставляемые Unity включают в себя:

  • System.Collections.ArrayList
  • System.Collections.Hashtable
  • System.Collections.Queue
  • System.Collections.SortedList
  • System.Collections.Stack
  • System.Collections.Specialized.HybridDictionary
  • System.Collections.Specialized.ListDictionary
  • System.Collections.Specialized.NameValueCollection
  • System.Collections.Specialized.OrderedDictionary
  • System.Collections.Specialized.StringCollection
  • System.IO.Directory
  • System.IO.File
  • System.IO.FileStream
  • System.Xml.XmlDocument
  • System.Xml.XmlTextReader
  • System.Xml.XmlTextWriter

Кроме того, добавлено пространство имён WinRTLegacy для предоставления дополнительных классов и методов расширения. Среди них есть такие:

  • Extention methods Close() for most System.IO classes (alternatively you can use Dispose(), which is available on both Mono and .NET for Universal Windows Platform)
  • WinRTLegacy.TypeExtensions has methods GetConstructor(), GetMethod(), GetProperty() for System.Type
  • Класс WinRTLegacy.Xml.XmlReader, который совместим с System.Xml.XmlReader в Mono
  • Класс WinRTLegacy.Xml.XmlWriter , который совместим с System.Xml.XmlWriter в Mono
  • Класс WinRTLegacy.Xml.XmlReader, который совместим с System.Xml.XmlReader в Mono
  • Класс WinRTLegacy.Xml.XmlWriter , который совместим с System.Xml.XmlWriter в Mono

The simplest way to use the replacement classes from WinRTLegacy if the namespace doesn’t match is via using directive:

#if NETFX_CORE
using XmlReader = WinRTLegacy.Xml.XmlReader;
#else
using XmlReader = System.Xml.XmlReader;
#endif

This way you can use XmlReader class, which will be taken from WinRTLegacy.Xml namespace on Universal Windows Platform and from System.Xml namespace elsewhere.


• 2017–05–16 Page amended with no editorial review

Universal Windows Platform: Generated project with .NET scripting backend
Universal Windows Platform: Plugins on .NET Scripting Backend
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