invoke_kind

/*
 *  call-seq:
 *     WIN32OLE_METHOD#invoke_kind
 * 
 *  Returns the method kind string. The string is "UNKNOWN" or "PROPERTY" 
 *  or "PROPERTY" or "PROPERTYGET" or "PROPERTYPUT" or "PROPERTYPPUTREF" 
 *  or "FUNC".
 *     tobj = WIN32OLE_TYPE.new('Microsoft Excel 9.0 Object Library', 'Workbooks')
 *     method = WIN32OLE_METHOD.new(tobj, 'Add')
 *     puts method.invoke_kind # => "FUNC"
 */
static VALUE
folemethod_invoke_kind(self)
    VALUE self;
{
    struct olemethoddata *pmethod;
    Data_Get_Struct(self, struct olemethoddata, pmethod);
    return ole_method_invoke_kind(pmethod->pTypeInfo, pmethod->index);
}