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library

  • 文章

This statement describes a type library. This description contains all of the information in a MIDL input file (ODL).

Syntax

[attributes] library libname {
   definitions
};

  • attributes
    The helpstring, helpcontext, lcid, restricted, hidden, control, uuid and version attributes are accepted before a library statement. The uuid attribute is required.

  • libname
    The name by which the type library is known.

  • definitions
    Descriptions of any imported libraries, data types, modules, interfaces, dispinterfaces, and coclasses relevant to the object being exposed.

Remarks

The library statement must precede any other type definitions.

Example

c++ 
[
   uuid(F37C8060-4AD5-101B-B826-00DD01103DE1), // LIBID_Hello.
   helpstring("Hello 2.0 Type Library"),
   lcid(0x0409),
   version(2.0)
]
library Hello
{
   importlib("stdole.tlb"); 
   [
      uuid(F37C8062-4AD5-101B-B826-00DD01103DE1),   // IID_Ihello.
      helpstring("Application object for the Hello application."),
      oleautomation,
      dual
   ]
   interface IHello : IDispatch
   {
      [propget, helpstring("Returns the application of the object.")]
      HRESULT Application([in, lcid] long localeID, 
         [out, retval] IHello** retval)
   }
}