title	IProcessHost::StartApplication Method
description	Describes the IProcessHost::StartApplication method and details the syntax, parameters, return value, remarks, and requirements.
ms.date	10/07/2016
ms.assetid	37eb4762-b0a0-286e-ed01-c57f159504a2

IProcessHost::StartApplication Method

Starts the specified application.

Syntax

virtual HRESULT __stdcall StartApplication(  
   PCWSTR appId,  
   PCWSTR appPath,  
   IUnknown** ppRuntimeObject  
) = 0;

appId
A string that contains the unique application ID.

appPath
A string that contains the virtual path to the application.

ppRuntimeObject
A pointer to the address of an IPphManager interface.

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.

The StartApplication method does not directly start the application; rather, the request is forwarded to the application manager.

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	Webhost.h