IAppHostChangeHandler::OnSectionChanges Method


Notifies listeners when a section has changed in a physical file of the IIS 7 configuration. All callers must implement the listener.


HRESULT OnSectionChanges(  
   string] BSTR bstrSectionName,  
   string] BSTR bstrConfigPath  


A BSTR that contains the configuration section that changed.

A BSTR that contains the configuration path that changed.

Return Value

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

Value Description
S_OK Implementers should return S_OK to indicate that the operation was successful.


Type Description
Client - IIS 7.0 on Windows Vista
- IIS 7.5 on Windows 7
- IIS 8.0 on Windows 8
- IIS 10.0 on Windows 10
Server - IIS 7.0 on Windows Server 2008
- 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 Technical Preview
Product - IIS 7.0, IIS 7.5, IIS 8.0, IIS 8.5, IIS 10.0
- IIS Express 7.5, IIS Express 8.0, IIS Express 10.0
Header Ahadmin.h


An example of a bstrConfigPath is "MACHINE/WEBROOT/APPHOST". An example of a bstrSectionName is "system.webServer/defaultDocument".

See Also

IAppHostChangeHandler Interface