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2.这是request的程序- S: Z+ E: s9 k
// Request a value from Extend" f: ?; ^5 d& h+ ?( Z" V @
//" p; L5 e( }4 K' }9 K1 d# k4 y" x
// Initialize the variant that will hold the BSTR. Set the variant's 1 w+ N: H- ]" S' I+ m! ]// type flag to indicate the fact that this variant holds a BSTR. Place the, k! h! i5 D" a2 O
// BSTR into the variant structure. " R) I" K j7 G2 {% `, d+ x% k 3 d5 A; e) |7 a' W& q3 ` requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); 3 N _4 i7 }5 O+ E, g' B/ y- F O- H! ]- Y, |. z
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); : m: r3 d3 C& M' x5 X VariantInit(&requestVariant[0]); : u' s1 d2 w5 F5 x% T
requestVariant[0].vt = VT_BSTR; # E) Q8 r0 m6 r5 z3 c requestVariant[0].bstrVal = itemStr;2 S+ n# ~: A1 m4 z
6 m3 c/ O8 P) X I$ y% d topicStr = SysAllocString((WCHAR *) L"system");! j; B2 Q" j2 s8 s, |+ s) `% q B
VariantInit(&requestVariant[1]); % b' d4 ]! P1 Y9 A
requestVariant[1].vt = VT_BSTR; 9 J. r/ P6 d7 ` requestVariant[1].bstrVal = topicStr;7 S9 _: E; B& n& g3 ]
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// Set the DISPPARAMS structure that holds the variant. . t7 `3 x6 P' ?* D8 B- }8 D ]/ ^7 A( ]' N, A
dp2.rgvarg = requestVariant; & x' Z& B4 v. D, c7 B6 O+ ?2 ^ dp2.cArgs = 2;2 ^; {1 T" N- k% M' K' `9 S
dp2.rgdispidNamedArgs = NULL; " _1 _ K' ~/ G! R dp2.cNamedArgs = 0;$ C1 A8 z$ k% ]7 [. a5 L
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var.vt = VT_EMPTY; 7 U) v! S" I q$ N$ r( h1 ]! N/ \- M
// Call IDispatch::Invoke()& G3 r+ I4 d) V
: k3 [) n- f8 d% |0 [# _; p( t hr = m_pDisp->Invoke( 8 f' } i" e) f requestID," X; l( {! y% V: ^8 C3 N
IID_NULL,$ R5 U. J& \, K0 m
LOCALE_SYSTEM_DEFAULT,' A$ s: o% E4 l, M2 d# }( L
DISPATCH_METHOD, 3 p* A) B& H* o# m' Q4 N &dp2, # x1 Z3 b2 E/ q3 R! ?' L; X, v &var, 2 m& a$ ?" i: Y. A! z' F &ei, & r8 j" N! x' e: e) ?& i& i &uiErr); , |& i2 g# `5 w5 ^& Y1 V* C2 L( w* f! E+ n' @
SysFreeString(topicStr);8 r/ ?) X5 l4 d/ W# q' l
SysFreeString(itemStr);8 Z( R3 H# W: L: ~
请问该程序是获得extend里面的哪个值? _/ a$ ?/ X6 |+ ^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????