title	CreateCompression Function
description	Describes the CreateCompression function and details its syntax, parameters, return value, and requirements.
ms.date	10/07/2016
ms.assetid	4b421b62-db6b-4ed8-9dff-e9c6c1d8ad0e

CreateCompression Function

Creates a new compression context.

Syntax

HRESULT WINAPI CreateCompression(  
   OUT PVOID* context,  
   IN ULONG reserved  
);

context
[OUT] Pointer to the new compression context.

reserved
[IN] Reserved for future use.

An HRESULT. Possible values include, but are not limited to, those in the following table.

Value	Description
S_OK	Indicates that the operation was successful.

Type	Description
Client	- IIS 7.0 on [!INCLUDEwinvista] - IIS 7.5 on Windows 7 - IIS 8.0 on Windows 8 - IIS 10.0 on Windows 10
Server	- IIS 7.0 on [!INCLUDEwinsrv2008] - IIS 7.5 on Windows Server 2008 R2 - IIS 8.0 on Windows Server 2012 - IIS 8.5 on Windows Server 2012 R2 - IIS 10.0 on Windows Server 2016
Product	- IIS 7.0, IIS 7.5, IIS 8.0, IIS 8.5, IIS 10.0 - [!INCLUDEiisexp75], [!INCLUDEiisexp80], [!INCLUDEiisexp100]
Header	Httpcompression.h