This method sets the Help context identifier for retrieving general Help information for the type library.

HRESULT SetHelpContext( 
unsigned long dwHelpContext); 


  • dwHelpContext
    Specifies the Help context identifier to be assigned to the library.

Return Values

One of the values described in the following table is returned.

Value Description
S_OK Success.
E_OUTOFMEMORY Out of memory.
E_INVALIDARG One or more of the parameters is invalid.
TYPE_E_INVALIDSTATE The state of the type library is not valid for this operation.


Calling SetHelpContext with a Help context of zero is equivalent to not calling it at all, because zero indicates a null Help context.


Runs on Versions Defined in Include Link to
Windows CE OS 2.0 and later Oaidl.h    

Note   This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.

 Last updated on Tuesday, July 13, 2004

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