# I% ^2 d. H0 @7 _2.这是request的程序 ! ^0 j( B* ~' C7 A* H9 B; H// Request a value from Extend) E# z5 \0 z& h% q! r
// . E& ]8 V7 k7 m2 w6 v( R// Initialize the variant that will hold the BSTR. Set the variant's " J7 F/ C1 d: ^6 ?// type flag to indicate the fact that this variant holds a BSTR. Place the - {! J% k9 C2 ?// BSTR into the variant structure.% p& w0 m. |( V* z% P H5 V1 f; G3 N
. X( }6 V7 f1 W( ~9 W$ K# F8 L: J requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); $ P! o, ^; i, n , E0 V! T' `7 p, j- k itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); / _. @! G0 S" \3 H VariantInit(&requestVariant[0]); - o3 m* B7 ^6 d- r& B' J
requestVariant[0].vt = VT_BSTR; + `" c( [0 q1 u2 [, @% X+ ] requestVariant[0].bstrVal = itemStr;; {3 v3 Q5 J7 F# s. ^0 s
4 G1 w3 N7 y+ H6 { topicStr = SysAllocString((WCHAR *) L"system");8 _1 Z: p( D1 ^5 Y* {
VariantInit(&requestVariant[1]); ; T* V% h/ ~1 K" l' `- L
requestVariant[1].vt = VT_BSTR;, e# T" p6 _9 g( F- i, b5 e( |9 x$ b8 M
requestVariant[1].bstrVal = topicStr; O9 k$ |! H/ z. u" G4 b! ^4 K: F5 C8 t4 k; ?6 L j/ E
// Set the DISPPARAMS structure that holds the variant. 9 S) D+ o5 e5 N1 T3 a# D! P( S4 F9 m& w+ Z2 m, Y1 F
dp2.rgvarg = requestVariant; 5 P& [2 f: E" E, i `' Y, y5 E dp2.cArgs = 2; R/ i5 b" s2 [% G0 R! M% f# o dp2.rgdispidNamedArgs = NULL; ; x4 [; B/ M& X$ ] dp2.cNamedArgs = 0;, v) k8 P# K2 b% F7 R. J
6 h& `# Z) {0 J7 X% v var.vt = VT_EMPTY; - `$ K8 G$ w7 l9 ?4 d9 K( f 0 h- c* w( C! U! J// Call IDispatch::Invoke() 1 {$ o" H3 e, h2 s7 E 6 e$ b! W( l H7 | hr = m_pDisp->Invoke( G @. W" s# k1 v
requestID, " H5 n( p, n) e IID_NULL,' f( r/ S; T! i! M4 W! M2 y
LOCALE_SYSTEM_DEFAULT, 7 d ^( M* N' ?- V! H2 }, g* S DISPATCH_METHOD, 5 }( S4 e; Q- M& h* [; `3 Z &dp2, ! H/ ]$ z1 q. {' P) n+ R1 M3 Y' h &var, ( G# \% h, } i0 M0 Z &ei,9 n' g. R0 j2 ^( X- C+ W
&uiErr);" d D8 [/ d" F' B. [- m
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SysFreeString(topicStr);4 v ^0 u) \ c- s
SysFreeString(itemStr); 6 s7 L) c: S# F Y S- t6 E+ p请问该程序是获得extend里面的哪个值?: \; o7 }( o) S% y6 x, B4 q
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????