0 |% P; @( M# |6 Y6 e2.这是request的程序 & ]1 S1 \- J1 r// Request a value from Extend; ]) c) J- a; `: G |# M
// 8 ~7 H& A' W" P// Initialize the variant that will hold the BSTR. Set the variant's( w+ j: F+ C; F" R: a; E& }" l) [
// type flag to indicate the fact that this variant holds a BSTR. Place the & v* y9 _$ P9 L) W) Y# o// BSTR into the variant structure." Y- J+ {5 c! Y! k k/ G
O( u6 X9 B* P5 ]8 c [ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); ! E2 ?9 V* N; d$ k: b: N ) L% A& L9 a. u: Q8 z H0 V& h
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ( [; e Q G) k! V* \. E2 q VariantInit(&requestVariant[0]); 1 S' V# y8 }* N6 u requestVariant[0].vt = VT_BSTR; 4 R7 m/ _/ P& j+ s, y# o+ A requestVariant[0].bstrVal = itemStr;# O0 {7 ]9 A1 }8 ~ K( N$ F8 X4 B
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topicStr = SysAllocString((WCHAR *) L"system");9 z& M5 W% r7 r6 n+ k2 G2 q+ T
VariantInit(&requestVariant[1]); 9 W/ Z- C' v$ F* f$ G requestVariant[1].vt = VT_BSTR; 8 K% s% f8 |9 y5 X" v( W requestVariant[1].bstrVal = topicStr; " Q$ h7 Y- X, y Q8 \0 z/ ^" u4 r* ~% b
// Set the DISPPARAMS structure that holds the variant.8 h# N$ x" M( f$ d. [
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dp2.rgvarg = requestVariant;+ }# g5 [; y3 b, A9 E( G9 N
dp2.cArgs = 2; $ a) c/ d0 \( ?% A0 b! u0 f dp2.rgdispidNamedArgs = NULL; ) D2 e( r4 Y+ S3 J dp2.cNamedArgs = 0;& W1 H0 n7 G2 U% @: T
9 q% F% {* b6 C# k6 a7 b var.vt = VT_EMPTY;% V M8 w; c/ J9 p( H6 d( b
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// Call IDispatch::Invoke()7 b( E( L8 I" e$ o/ M8 k! m: |
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hr = m_pDisp->Invoke(5 N: p0 k3 k# P& A
requestID, , B. o- w3 E M% C. x/ j8 m, o( |7 G IID_NULL, 1 T/ `7 e8 b+ W LOCALE_SYSTEM_DEFAULT, ) x1 M0 ?, I: m# N0 z; \$ v DISPATCH_METHOD, I% ^% v6 I7 A D &dp2, + u0 m" V' Y- x3 z& y &var, 7 ]: J/ c6 Q% k &ei, % y# c% M% k" b& a. k &uiErr); ! p9 b5 S! Y: {- ?/ {2 F8 P/ l$ q9 C
SysFreeString(topicStr);, m) r% g8 i P1 U; y' H& l4 x5 R5 }
SysFreeString(itemStr); 2 H3 Q" V/ o$ ~5 W请问该程序是获得extend里面的哪个值?/ Z) R( q/ ^# E3 X6 P
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????