This interface inherits from the ITypeLib interface. This allows ITypeLib to cast to an ITypeLib2 in performance-sensitive cases, rather than perform extra QueryInterface and Release calls. This casting procedure is not compatible with Windows 95 or Windows NT version 3.51.
At a Glance
| Header file: | Oaidl.h |
| Windows CE versions: | 2.0 and later |
The ITypeLib2 interface inherits from the ITypeLib interface. This allows ITypeLib to cast to an ITypeLib2 in performance-sensitive cases, rather than perform extra QueryInterface and Release calls.
Example
DECLARE_INTERFACE_(ITypeLib2, ITypeLib)
{
BEGIN_INTERFACE
| Method | Desription |
| ITypeLib2::GetCustData | Gets the custom data. |
| ITypeLib2::GetDocumentation2 | Retrieves the library’s documentation string, the complete Help file name and path, and the context identifier for the library help topic. |
| ITypeLib2::GetLibStatistics | Returns statistics about a type library that are required for efficient sizing of hash tables. |
| ITypeLib2::GetAllCustData | Gets all custom data items for the library. |