WindowsRuntimeBufferExtensions.AsBuffer Method (Byte[], Int32, Int32, Int32)
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.
Assembly: System.Runtime.WindowsRuntime (in System.Runtime.WindowsRuntime.dll)
An IBuffer interface that represents the specified range of bytes in source and that has the specified Length property value.
[SECURITY CRITICAL]
This API is not CLS-compliant.
Namespace:
System.Runtime.InteropServices.WindowsRuntime[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Returns a Windows.Storage.Streams.IBuffer interface that represents a range of bytes in the specified byte array. Optionally sets the Length property of the IBuffer to a value that is less than the capacity.
Assembly: System.Runtime.WindowsRuntime (in System.Runtime.WindowsRuntime.dll)
[CLSCompliantAttribute(false)] public static IBuffer AsBuffer( this byte[] source, int offset, int length, int capacity )
Parameters
- source
- Type:
System.Byte
[]
The array that contains the range of bytes that is represented by the IBuffer.
- offset
- Type: System.Int32
The offset in source where the range begins.
- length
- Type: System.Int32
The value of the Length property of the IBuffer.
- capacity
- Type: System.Int32
The size of the range that is represented by the IBuffer. The Capacity property of the IBuffer is set to this value.
Return Value
Type: Windows.Storage.Streams.IBufferAn IBuffer interface that represents the specified range of bytes in source and that has the specified Length property value.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type . When you use instance method syntax to call this method, omit the first parameter.
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