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2.这是request的程序/ i6 }& A8 D- a# g& y1 B) ?2 K, m
// Request a value from Extend $ l* {' u# `- J2 e6 c//+ P2 w0 {0 h2 U) i A
// Initialize the variant that will hold the BSTR. Set the variant's) e$ E* {$ g8 `: |2 o
// type flag to indicate the fact that this variant holds a BSTR. Place the5 u4 r0 p6 n0 [
// BSTR into the variant structure. $ }, W. T8 Y9 {* g" C. u % r/ o/ G7 L$ z0 N ~; T" I requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); g6 i1 {8 _9 m" p) A/ }
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); & W @5 L2 s8 q, v& G8 c* I2 p2 p% c VariantInit(&requestVariant[0]); $ F+ |. i& c$ {- C0 U2 K
requestVariant[0].vt = VT_BSTR;5 R8 Y- E v# m3 m
requestVariant[0].bstrVal = itemStr;- m) Y7 q) G+ _5 Z9 T8 i! _
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topicStr = SysAllocString((WCHAR *) L"system");; y5 u$ f, b5 r
VariantInit(&requestVariant[1]); 0 E- N/ j. W# J7 s1 E requestVariant[1].vt = VT_BSTR;( N6 v6 w8 I v" U
requestVariant[1].bstrVal = topicStr; , D) G$ y X) F, {5 n+ \5 h 7 t k; {3 l* Y// Set the DISPPARAMS structure that holds the variant. " I- D# {% e/ K% [ ) A' i7 L {) \+ F dp2.rgvarg = requestVariant;# C" P! i: h' y1 N8 }4 q c. m
dp2.cArgs = 2; , E# I4 G S- [0 H9 H dp2.rgdispidNamedArgs = NULL;, K( O4 D* p4 r
dp2.cNamedArgs = 0;& w, Y/ ^: J. ?8 b3 z
; U7 `+ z: e6 k) c var.vt = VT_EMPTY;7 x- d; o" w4 R0 A+ v* F% B! q( @
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// Call IDispatch::Invoke() 4 r( d* T6 f6 m q( h+ C; l# J) K' Y3 n# g7 E' _1 \% k8 u- I
hr = m_pDisp->Invoke(8 _7 t; _8 F$ u8 c+ C
requestID," q F5 L* Y" E! ^1 e$ I- c0 e
IID_NULL, ) i6 _7 {) Z$ @, @ LOCALE_SYSTEM_DEFAULT,. [2 f6 Z0 j a5 f6 ?* e: m
DISPATCH_METHOD, - `) N h$ i/ O- o6 S1 K3 S" o &dp2,+ |6 V0 o1 Y9 E5 N
&var,5 H" k# j2 Q K7 m1 d/ H3 Y
&ei, 1 g4 f) t! H+ {' d &uiErr); 7 _; O: I8 M A3 {9 L3 c$ w$ w, X5 s) k y2 m* `
SysFreeString(topicStr); * B7 Y# V! r' w0 r9 s& E/ o# o SysFreeString(itemStr);9 G+ p9 Y8 i$ C4 I% E" I6 m
请问该程序是获得extend里面的哪个值?) W0 s( p) j; j; B2 |
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????