Retrieves the children of the symbol.
[in] Specifies the symbol tags of the children to be retrieved, as defined in the SymTagEnum. Set to SymTagNull for all children to be retrieved.
[in] Specifies the name of the children to be retrieved. Set to NULL for all children to be retrieved.
[in] Specifies the comparison options applied to name matching. Values from the NameSearchOptions enumeration can be used alone or in combination.
[out] Returns an IDiaEnumSymbols object that contains a list of the child symbols retrieved.
Returns S_OK if at least one child of the symbol was found, or returns S_FALSE if no children were found; otherwise returns an error code.
This method is identical to calling the IDiaSession::findChildren method with this symbol as the first parameter.