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ITypeInfo2::GetDocumentation2 (Compact 2013)

3/26/2014

This method retrieves the documentation string and other Help-related information.

Syntax

HRESULT GetDocumentation2( 
  MEMID memid, 
  LCID lcid, 
  BSTR FAR* pbstrHelpString, 
  unsigned long FAR* pdwHelpStringContext, 
  BSTR FAR* pbstrHelpStringDll 
);

Parameters

  • memid
    [in] Member identifier for the type description.
  • pbstrHelpString
    [out] Returns a pointer to a BSTR that contains the name of the specified item.

    If the caller does not need the item name, then pbstrHelpString can be NULL.

  • pdwHelpStringContext
    [out] Returns a pointer to the Help localization context.

    If the caller does not need the Help context, it can be NULL.

  • pbstrHelpStringDll
    [out] Returns a pointer to a BSTR that contains the fully qualified name of the file that contains the DLL used for Help file.

    If the caller does not need the file name, it can be NULL.

Return Value

The following table shows the return values for this function.

Value

Description

S_OK

Success.

STG_E_INSUFFICIENTMEMORY

Out of memory.

E_INVALIDARG

One or more of the parameters is invalid.

TYPE_E_IOERROR

The function could not write to the file.

TYPE_E_INVDATAREAD

The function could not read from the file.

TYPE_E_UNSUPFORMAT

The type library has an older format.

TYPE_E_INVALIDSTATE

The type library could not be opened.

TYPE_E_ELEMENTNOTFOUND

The element was not found.

Remarks

Gets information at the type information level (about the type information and its members). The caller should free the BSTR parameters.

This function will call _DLLGetDocumentation in the specified DLL to retrieve the desired Help string, if there is a Help string context for this item.

If no Help string context exists or an error occurs, then it will defer to the ITypeInfo::GetDocumentation method and return the associated documentation string.

Requirements

Header

oaidl.h,
oaidl.idl

Library

oleaut32.lib,
uuid.lib

See Also

Reference

ITypeInfo2
BSTR
ITypeInfo::GetDocumentation