0 y6 l' `$ _! ~8 O! G2.这是request的程序& K* b$ G' `3 `; Z! F& O0 R: f
// Request a value from Extend ! D$ E9 W+ `! V) H// 4 z$ L" H/ l5 z5 q$ ~// Initialize the variant that will hold the BSTR. Set the variant's1 Y* b# ^ [# m% Q8 e' a! x2 ^
// type flag to indicate the fact that this variant holds a BSTR. Place the 7 @2 ^2 g T T8 Q/ k' ^// BSTR into the variant structure.- B0 K2 ]( h/ \( Q# @
& E( ?5 X6 t6 U; T5 m requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); + a. d- m3 P& | $ J' x1 q5 ^+ D" Q+ J3 _
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 L9 s) w7 ^" @& D1 C9 x
VariantInit(&requestVariant[0]); % P) p) u0 y7 t- r/ M
requestVariant[0].vt = VT_BSTR;( I) l" [7 N) K; x8 y3 H5 Q0 O
requestVariant[0].bstrVal = itemStr;: q1 r* D5 ^% V4 g! a* Y! g Y; {
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topicStr = SysAllocString((WCHAR *) L"system");" y$ {# S0 B+ I3 j( m. C' C
VariantInit(&requestVariant[1]); $ r$ n" X% \9 o& l/ l4 r requestVariant[1].vt = VT_BSTR;) P% L6 _+ ?( b
requestVariant[1].bstrVal = topicStr;' J; j! E! }* a/ s5 ^( D8 p
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// Set the DISPPARAMS structure that holds the variant. 8 A; n" f: Z4 Y) ^5 A% @ S" P; y' j; k
dp2.rgvarg = requestVariant;( \4 S4 Y6 k( h! K1 ~+ \: G
dp2.cArgs = 2;4 G0 ]' O, |+ ^, V* M8 m6 W+ k X
dp2.rgdispidNamedArgs = NULL; ; {: v% n! c# ~4 z% T dp2.cNamedArgs = 0;# I9 ?) x) q* O$ P# Q
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var.vt = VT_EMPTY; d- @' Q0 k) c; s5 {
4 t! Z" b2 c y4 Q: i" H) ~// Call IDispatch::Invoke()5 U Y0 |9 S0 c* z9 C+ c
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hr = m_pDisp->Invoke(1 _2 E8 Q. U5 L& A0 o
requestID, 7 `: s6 `4 v. `% q. | IID_NULL, 7 [4 f5 n* p) `) Q3 j LOCALE_SYSTEM_DEFAULT,7 W& s- C0 m5 T
DISPATCH_METHOD,. U o* i! R0 z: r, \% a2 Q
&dp2, $ B- A& [: V5 _3 L1 x8 E: w" I &var,9 \. g8 d8 h; ^0 A) r
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&uiErr); ' C3 J E) l: {% o* c8 q/ O. t
SysFreeString(topicStr);5 S5 @1 o$ ]# r( h
SysFreeString(itemStr); 9 } K/ |7 h1 {请问该程序是获得extend里面的哪个值?( O& Z$ Q: K; f r( k- n
如果我希望获得extend程序里面的某个变量的数值,那个c++程序应该如何实现????