WindowsRuntimeStreamExtensions.AsStreamForWrite Method ()

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

For apps that target Windows Phone OS 7.0 and 7.1, do not use any members of this type in your app. If you do, your code will throw a MethodAccessException. This type is security-critical, which restricts it to internal use by the .NET Framework for Windows Phone class library.

This API is not CLS-compliant.

Namespace: System.IO
Assembly: System.Runtime.WindowsRuntime (in System.Runtime.WindowsRuntime.dll)


<CLSCompliantAttribute(False)> _
<ExtensionAttribute> _
Public Shared Function AsStreamForWrite ( _
    windowsRuntimeStream As IOutputStream _
) As Stream
public static Stream AsStreamForWrite(
    this IOutputStream windowsRuntimeStream


Return Value

Type: System.IO..::.Stream

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IOutputStream. When you use instance method syntax to call this method, omit the first parameter.

Version Information

Windows Phone OS

Supported in: 8.1, 8.0

See Also


WindowsRuntimeStreamExtensions Class

AsStreamForWrite Overload

System.IO Namespace