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2.这是request的程序5 y# R) e" j% P0 e. H9 p9 G
// Request a value from Extend & S% v- x+ ]! \// 1 d, M7 k3 w/ y% c( ^9 M: |/ D- n( |+ H// Initialize the variant that will hold the BSTR. Set the variant's4 g- ~$ e' h$ a1 N0 B! w$ ~8 \9 B
// type flag to indicate the fact that this variant holds a BSTR. Place the$ W9 l! T' h U2 @+ P: i. x
// BSTR into the variant structure.5 h3 m, {/ U' b! n9 R8 h
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ h0 l; W4 ?+ ~, d$ r8 p2 \
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* X9 [4 R$ e( j* K
VariantInit(&requestVariant[0]); 1 W3 W" c7 c4 n z
requestVariant[0].vt = VT_BSTR;! f" O/ c* L: D" V& _6 u
requestVariant[0].bstrVal = itemStr; 5 u& _" R0 w5 @, } . c. n! B9 l+ D, {2 t h topicStr = SysAllocString((WCHAR *) L"system"); 3 X# ]& v7 e) X: d( l VariantInit(&requestVariant[1]); ; J# p! b6 O# y4 q5 P6 u requestVariant[1].vt = VT_BSTR;3 v d- K0 B) ]5 Z
requestVariant[1].bstrVal = topicStr;% _5 O x6 Q1 h0 V6 d/ b
6 V" Q. c# s6 }$ G/ z! r# u4 l// Set the DISPPARAMS structure that holds the variant.) F w/ n U8 R7 t3 ?3 F$ L' b2 {
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dp2.rgvarg = requestVariant;6 B C1 v0 ~$ Q T
dp2.cArgs = 2; * ^2 w7 a% q6 H0 r0 l dp2.rgdispidNamedArgs = NULL;8 @) x$ D5 {9 g- H
dp2.cNamedArgs = 0;3 w" @+ S- D" F4 o Z/ {5 F; \9 Z' T
' H8 z1 a7 B1 g8 N" @2 T var.vt = VT_EMPTY;6 F8 {8 c$ M" z& N6 L, t
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// Call IDispatch::Invoke()( G% K; b+ @8 E$ A
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hr = m_pDisp->Invoke() {/ Q; d ^+ b; X5 U2 {' g
requestID, . @5 ?& d) I+ n; g' l IID_NULL,8 q" z; u3 O) o2 o" u
LOCALE_SYSTEM_DEFAULT, + J R# l( L7 c8 l& }- U DISPATCH_METHOD,- a. k H, h& v* c% c
&dp2, ( |' ~: I/ R' B/ j3 j2 c &var,7 ]* p) [; w2 T8 z! N' |& x
&ei, 1 z1 {( F3 g; @! `9 X% q &uiErr);4 x( N9 u1 G6 C, ^. g
5 N; W. \3 k. h SysFreeString(topicStr);( L$ ]5 B) ?3 {. q" G8 n
SysFreeString(itemStr); 7 i3 o. L( u% Z/ n: r/ r请问该程序是获得extend里面的哪个值? 2 C9 J8 c" Q: a5 _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????