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WindowsRuntimeBufferExtensions.CopyTo Method (IBuffer, IBuffer)

.NET Framework 4.5

Copies all bytes from the source buffer (Windows.Storage.Streams.IBuffer) to the destination buffer, starting at offset 0 (zero) in both.

This API is not CLS-compliant. 

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

static member CopyTo : 
        source:IBuffer * 
        destination:IBuffer -> unit


Type: IBuffer

The source buffer.

Type: IBuffer

The destination buffer.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IBuffer. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).


source or destination is a null reference (Nothing in Visual Basic).


The size of source exceeds the capacity of destination.

.NET Framework

Supported in: 4.6, 4.5

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone Silverlight 8

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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