IAppHostPropertyException::ValidationFailureReason Property


Gets the reason that the value of the IAppHostPropertyException::InvalidValue property did not validate against the value of the IAppHostPropertySchema::ValidationParameter property.


HRESULT get_ValidationFailureReason(  
   retval] BSTR* pbstrValidationReason  


A pointer to a BSTR that contains a description indicating why the property value is not valid.

Return Value

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.


When a property is not valid, the IAppHostPropertyException::InvalidValue property contains the value that did not validate against the IAppHostPropertySchema::ValidationParameter property. For more information about property validation, see the IAppHostPropertySchema::ValidationType and IAppHostPropertySchema::ValidationParameter properties.


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

See Also

IAppHostPropertyException Interface
IAppHostPropertySchema::ValidationType Property
IAppHostPropertySchema::ValidationParameter Property