ITypeInfo::GetVarDesc

index, lplpvardesc)
unsigned int index
VARDESC FAR* FAR* lplpvardesc

Retrieves a VARDESC structure describing the specified variable.

Parameters

index

Index of the variable whose description is to be returned. The index should be in the range of 0 to 1 less than the number of variables in this type.

lplpvardesc

Upon return, points to a pointer to a VARDESC that describes the specified variable.

Return Value

The SCODE obtained from the returned HRESULT is one of the following:

SCODE	Meaning
S_OK	Success.
E_OUTOFMEMORY	Out of memory.
E_INVALIDARG	One or more of the arguments is invalid.
TYPE_E_IOERROR	The function could not read from the file.
TYPE_E_INVDATAREAD	The function could not read from the file.
TYPE_E_UNSUPFORMAT	The type library has an old format.
TYPE_E_INVALIDSTATE	The type library could not be opened.

Comments

To free the VARDESC structure, use ReleaseVarDesc.

Example

CHECKRESULT(ptypeinfo->GetVarDesc(i, &pvardesc));

idMember = pvardesc->memid;

CHECKRESULT(ptypeinfo->GetDocumentation(idMember, &bstrName, NULL, NULL,

NULL));

ptypeinfo->ReleaseVarDesc(pvardesc);

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