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2.这是request的程序; e) a: K+ ]& w4 F
// Request a value from Extend/ M& x [! i3 m
//9 H+ w& B# {- S
// Initialize the variant that will hold the BSTR. Set the variant's 6 B; ^- o. |$ u% C. @$ h// type flag to indicate the fact that this variant holds a BSTR. Place the - `8 \! }! [2 i5 _) R: {3 {// BSTR into the variant structure. 4 z" x- _# h1 j! O) h8 R6 o6 p' R9 P& F7 x+ c* o: O1 e+ R; s
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);0 X5 b4 y/ |0 ]. i2 h* e- g
; y/ O$ e$ F2 @+ I8 B. y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); . t2 Q3 s9 f4 a4 s4 ] VariantInit(&requestVariant[0]); ; H- l$ p. S1 b: \/ Y+ E! j requestVariant[0].vt = VT_BSTR;. x' \0 G- h: t* `* X& \8 K+ U" U
requestVariant[0].bstrVal = itemStr; X3 m# Y% f& F1 _ ; U& g1 X. g6 K f# U3 | topicStr = SysAllocString((WCHAR *) L"system");! F' S$ r/ d0 c! ^+ \. p& i
VariantInit(&requestVariant[1]); ; e" Z; P2 a& m" ^6 s9 Z requestVariant[1].vt = VT_BSTR;8 m* V5 p" z X
requestVariant[1].bstrVal = topicStr; $ O' [$ n+ {) U4 D1 u: X 3 Z6 n$ u+ U7 b( D' ]* P2 f1 R// Set the DISPPARAMS structure that holds the variant. ( K% g; Z) e) {6 F T6 o$ n: C; h; g/ ^/ Y4 f
dp2.rgvarg = requestVariant; " ~5 F w1 U3 w o; ]: |1 [9 w- K) c dp2.cArgs = 2;: _ I: _2 {; [
dp2.rgdispidNamedArgs = NULL; ( Q8 M, t9 d8 |$ q dp2.cNamedArgs = 0; " T9 B4 x: s. O6 f0 ^/ B 5 g: ^: w/ {- ^1 c8 c var.vt = VT_EMPTY; & J* S5 N* x: n' k' b8 A D2 K& F: L; G$ q* C// Call IDispatch::Invoke()4 x% _- {2 d3 W, C! j
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hr = m_pDisp->Invoke( , @2 ?5 p9 v9 f% w% ~( J requestID, 9 Y% t5 R! ^# H. \ IID_NULL,$ u z/ e' e. m4 E
LOCALE_SYSTEM_DEFAULT, 3 ?' V5 a3 f+ e& L! n" j p- ] DISPATCH_METHOD, " w9 |8 g, |6 T& ? k* O &dp2,5 L- S+ S7 ]* y$ K9 w. @. t
&var, ! I/ B3 F/ Z- `9 ~% w &ei, 1 r) W6 l' d; d' m6 ? &uiErr); 3 k% @, @0 X3 M" ^% }2 ~ 6 }4 N* d8 }$ j# O4 Q0 O6 q SysFreeString(topicStr); j7 z+ N5 f5 x% L SysFreeString(itemStr); 1 @: e+ Q6 S0 l+ A6 ]请问该程序是获得extend里面的哪个值? 8 x, W/ k5 h) ]; C4 _+ m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????