DECLARE_IUNKNOWN (Windows CE 5.0)
This macro declares the three methods of the base interface for a new interface.
#define DECLARE_IUNKNOWN
Remarks
When you create a new interface, it must derive from IUnknown, which has three methods: QueryInterface, AddRef, and Release. This macro simplifies the declaration process by declaring each of these methods for the new interface.
Requirements
DirectShow applications and DirectShow filters have different include file and link library requirements.
For more information, see Setting Up the Build Environment.
Pocket PC: Windows Mobile 5.0 and later
Smartphone: Windows Mobile 5.0 and later
OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
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