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2.这是request的程序& h+ Z5 d" k- I$ P# u
// Request a value from Extend 9 b9 S8 Y5 v3 `. T( ^ r4 p7 J3 F// + a0 h1 s4 g6 F8 n, W// Initialize the variant that will hold the BSTR. Set the variant's & O: a" ^; e" M7 }6 S+ O// type flag to indicate the fact that this variant holds a BSTR. Place the6 w. S* B" o! m, ~: W! T8 b
// BSTR into the variant structure.' V; w8 {4 N# M8 j; N5 M& X& {
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! j5 s, D8 W2 ^+ B2 t, D
) B) e! J$ ]5 ?9 l# l: m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); / L4 m5 i# n y f VariantInit(&requestVariant[0]); ) ^+ W$ q0 x5 p. d2 i, [! r
requestVariant[0].vt = VT_BSTR;8 G$ ]) O: n7 V6 l0 q8 n
requestVariant[0].bstrVal = itemStr; 1 J1 H) v( D& \- V( n& { / p, N4 W1 [9 \2 g. g$ a* L% @) ]6 r topicStr = SysAllocString((WCHAR *) L"system");7 |% \. A$ B/ e+ w
VariantInit(&requestVariant[1]); / q4 u6 A' d$ ]. y7 z requestVariant[1].vt = VT_BSTR; / \; x5 [* \; T* p- n5 K requestVariant[1].bstrVal = topicStr; ! ], r0 I! U7 y3 O( K$ O2 O : r) q0 a9 U# q) V8 h; `// Set the DISPPARAMS structure that holds the variant." w$ j) c' U, c5 P+ w
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dp2.rgvarg = requestVariant; ) U0 _$ A+ z0 @ dp2.cArgs = 2; @- j" g6 g9 P4 ] dp2.rgdispidNamedArgs = NULL;5 [6 P+ Z# l* D/ k& J. A( ?$ Q
dp2.cNamedArgs = 0;$ G% X8 _, n0 t* D; y
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var.vt = VT_EMPTY;; W; o, `8 f8 m' L- [: i
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// Call IDispatch::Invoke()% n. Y: ] R6 P, Y. Q& X
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hr = m_pDisp->Invoke(: o: Y, n, h# K% \
requestID,: |* E' v G; ]! x8 z3 _
IID_NULL,1 o& M; U0 @2 p) E% e3 }& X
LOCALE_SYSTEM_DEFAULT,6 F6 a b) J3 M8 x
DISPATCH_METHOD, 4 K# n+ {. ~6 R &dp2, " M% r4 J% B i &var, ; n/ y+ u9 F* D. d2 F# @ &ei, 4 }' m' T$ C+ `+ o3 U &uiErr);: @3 ]" }/ O/ {2 j, c a. x* ^6 ^, I" V
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SysFreeString(topicStr);5 x- Y$ d4 \% D. h m' @" g* F; e
SysFreeString(itemStr);4 T6 V' E& Q- }
请问该程序是获得extend里面的哪个值? 8 g; ]! }2 B. g) x$ P( F/ K4 j! r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????