comcatdraw.idl

插件程序设计是许多程序员非常想了解的知识

// IComCatDraw - Category Interface Definition
[
    object,
    uuid(C49A2274-8D1F-47b9-8476-8250174956EB),
    helpstring("IComCatDraw Interface"),
    pointer_default(unique)
]
interface IComCatDraw : IUnknown
{
    import "unknwn.idl" ;
    HRESULT Draw([in] HDC hDC);
};