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2.这是request的程序4 R" S- n* n5 G/ N& v% h
// Request a value from Extend ! j& x/ z- B& Z$ `//7 Y- U; y# q0 U) ~ A7 o
// Initialize the variant that will hold the BSTR. Set the variant's: `! k1 i \ L' w6 u
// type flag to indicate the fact that this variant holds a BSTR. Place the# A) q/ [. ], T! O+ B
// BSTR into the variant structure.& }8 s% U+ r/ ~6 q' j# e
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);6 f0 y, C Z6 ]5 C0 e" q, J
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; \3 ]+ ^4 K/ [& B( X' t, E
VariantInit(&requestVariant[0]); ; o& x7 K9 Z9 M
requestVariant[0].vt = VT_BSTR; - g8 t! X( m1 ~ requestVariant[0].bstrVal = itemStr;& M$ F0 ?% |6 Q0 N
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topicStr = SysAllocString((WCHAR *) L"system");* {. s( e: Y4 n, ^- a( x
VariantInit(&requestVariant[1]); 4 z5 s- M' [6 t8 n) U& U. l
requestVariant[1].vt = VT_BSTR; ! i, S; T/ k' \/ d3 {, z requestVariant[1].bstrVal = topicStr; % e6 A7 u0 T7 A L& c" I0 R' @$ U/ Z' O' i2 a
// Set the DISPPARAMS structure that holds the variant.) ]1 {- M6 j- K4 f
% ?1 Q, }) X7 n7 Q dp2.rgvarg = requestVariant;; @( o/ c* }* t# a% s
dp2.cArgs = 2; $ O3 ^& r& \2 o dp2.rgdispidNamedArgs = NULL;) l& T8 s) m0 I' P8 W0 @
dp2.cNamedArgs = 0;& o, _0 D5 \6 T4 e
7 B8 ?# W f4 u0 z! _' y' p; R var.vt = VT_EMPTY;2 W8 `' k/ m8 ?' E
' m5 j' n. L B* C5 |// Call IDispatch::Invoke()! d0 T# H) k; f; P- Q# C4 z/ P
+ |+ M( i' z: w. F hr = m_pDisp->Invoke(, z7 Z* f, \3 M; s: C+ L
requestID,) @" L& G R* e* C' o
IID_NULL,7 m2 M1 M/ q' g0 \8 c3 ^8 \% G! w
LOCALE_SYSTEM_DEFAULT,5 P1 n% U/ L- Y0 t! z q
DISPATCH_METHOD,+ D$ z% J3 ?2 I3 G% w# h* W% r
&dp2,: d, E, Q1 }6 a/ o8 i. O1 c
&var, $ n! z; s/ V/ l1 d w8 H7 G# [ &ei,* D0 Z" G+ A8 L. a$ O
&uiErr);# a& p: h( G4 L Q1 @
4 y' j4 U S! X/ a0 A. d% B SysFreeString(topicStr); [9 n& |$ q; v$ r8 O9 @
SysFreeString(itemStr); 3 H) ]. r' B2 E- f1 P7 i. z- n请问该程序是获得extend里面的哪个值?0 j Q* F5 w! y6 h/ Z: y
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????