iapphostpropertyexception-validationfailurereason-property.md

title	IAppHostPropertyException::ValidationFailureReason Property
description	Describes the IAppHostPropertyException::ValidationFailureReason property and details its syntax, parameters, return value, remarks, and requirements.
ms.date	10/07/2016
ms.assetid	02fada1b-ad19-af0e-6e28-7ceb7b136af3

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.

Syntax

HRESULT get_ValidationFailureReason(  
   [out,  
   string,  
   retval] BSTR* pbstrValidationReason  
);  

Parameters

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.

Remarks

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.

Requirements

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	Ahadmin.h

See Also

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