我现在用c++编写了一个程序,希望能够和extend交换数据,以及自动对extend进行一些操作。我参阅了例子里的关于OLE AUTOMATION方面的c++程序,但搞得不是很懂。比如说,c++程序向extend发送一个数据:; \* m3 L' t3 D& S" u4 J" \0 H
Name = (WCHAR *) L"Poke";. X$ Q L$ ?7 m
" h7 L. D% A+ H) Z X7 ]8 d: r hr = m_pDisp->GetIDsOfNames (1 b2 i+ B3 w+ a* i
IID_NULL, // reserved A* Z0 y8 s; c M G9 q
&Name, // Array of names to get IDs for5 H. Q7 Y- k M0 P' V- q
1, // # of names in the array . m! K k: Z: w- _2 `' Z, G& D4 N LOCALE_SYSTEM_DEFAULT, // System locale : A4 \. }" O- F1 N5 N" r; J &pokeID); // Array of IDs to fill on output , n' e u) R! L0 k; M 0 ~' ^4 N2 W' J' y/ ]9 \$ u if (hr)2 P8 T4 `+ ~# a& y9 t+ w
{ 4 ?; O, ^# ~5 R5 q5 V0 P- h1 P7 S MessageBox ("Get Poke Unsuccessful");) E5 k9 d& S3 b* U; S6 n T; V& D
return; & }. g: c; a! W B } + L! d+ ^5 C5 i: ]0 M 7 F2 x8 X% x7 }( k- k/**************************传递数据给extend**************************************/ . r) P% T) H: |9 O9 N pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); % k$ ~- L( B: a. c. ?, B d) k 0 Q' `+ M+ b8 I3 R- O valueStr = SysAllocString((WCHAR *) L"1232");2 n! K1 c: W8 j4 W, K5 U" X
VariantInit(&pokeVariant[0]); 5 y2 t( y; U5 B5 \7 K
pokeVariant[0].vt = VT_BSTR;6 O+ m' L& i! _
pokeVariant[0].bstrVal = valueStr; - x! c5 s3 ^2 I+ n: ] 2 T/ F5 q$ @" U8 k8 k itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' q/ w" J. L% p5 W
VariantInit(&pokeVariant[1]); 2 n/ h, M$ m$ f" t8 O pokeVariant[1].vt = VT_BSTR; 9 h5 s* y0 e# t pokeVariant[1].bstrVal = itemStr;; |; D1 L: l9 T1 j" h3 B' B
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topicStr = SysAllocString((WCHAR *) L"system");( W ~, ^7 G+ ?
VariantInit(&pokeVariant[2]); . _. L3 a" S' ?# [ pokeVariant[2].vt = VT_BSTR;, `$ @1 M1 N5 R p' e" F
pokeVariant[2].bstrVal = topicStr; . u7 ]" C* Y6 ?! I+ c9 t- A 5 L5 L+ @" I8 [// Set the DISPPARAMS structure that holds the variant.* g2 p% B! X" q5 c2 V# A3 g4 e