1//file hello.idl
2[
3	uuid(7a98c250-6808-11cf-b73b-00aa00b677a7),
4	version(1.0)
5]
6interface hello
7{
8
9typedef long CTXTYPE;
10typedef [context_handle] CTXTYPE *PCTXTYPE;
11
12void CtxOpen( [out] PCTXTYPE *pphContext,
13				[in] long Value);
14
15void CtxHello( [in]  PCTXTYPE phContext );
16
17void CtxClose( [in, out] PCTXTYPE *pphContext );
18
19}