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2.这是request的程序 2 F) j' @0 l+ p e5 X. _// Request a value from Extend; \7 o! B {! P) S0 Y& [5 o& W; v
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// Initialize the variant that will hold the BSTR. Set the variant's 0 t2 Q+ ~+ p7 Q! n6 y1 D// type flag to indicate the fact that this variant holds a BSTR. Place the% K! E: M; R$ M3 m( N/ W* V
// BSTR into the variant structure. ; T8 C) w/ Z$ K( ~: E- {; e 2 v) w' p4 e3 V$ F3 D requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 z* X; A9 N# s' ^0 G1 _+ |
; ~2 U9 ?' r) ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ! d* T9 v; k3 R" F( |0 F# \ VariantInit(&requestVariant[0]); 3 y2 M7 E. m) a" S0 y3 s, W! I
requestVariant[0].vt = VT_BSTR; + J) H3 T7 V4 C& q7 s, W7 u requestVariant[0].bstrVal = itemStr; ! H; n2 s8 d5 ? 6 v5 ~. e4 J3 r! R* O9 t" L- d) m topicStr = SysAllocString((WCHAR *) L"system");4 f' U4 E# @4 L( z
VariantInit(&requestVariant[1]); ! v5 n$ S4 s+ W' A requestVariant[1].vt = VT_BSTR; ) a2 r% ~2 F- f2 d requestVariant[1].bstrVal = topicStr;5 W* \3 r3 g+ a8 K/ m
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// Set the DISPPARAMS structure that holds the variant.& S, v" o4 C* `2 B
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dp2.rgvarg = requestVariant;: ?1 G: r2 R, x t; v4 X
dp2.cArgs = 2; 5 M3 {* v5 @5 M1 Z) X dp2.rgdispidNamedArgs = NULL; 8 X; Y; `; D/ } Y6 ~ dp2.cNamedArgs = 0;: s) D" [" p: G/ d$ a& q3 d z
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var.vt = VT_EMPTY; * F9 t% Y& @0 r8 H! K% a. @! o1 ^
// Call IDispatch::Invoke()0 w) H0 m2 C7 W/ X2 E
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hr = m_pDisp->Invoke( - Q6 x, {! b" i" q8 n5 l requestID,! a! X1 d* U* t+ b7 H- Q
IID_NULL, & u1 F5 {+ F" W4 I% O* r LOCALE_SYSTEM_DEFAULT,+ g. @5 L) I4 Y0 a. N: S
DISPATCH_METHOD, 2 z& o8 E- u8 E Z9 s- Z1 m& ] &dp2, % F" T T( s% H1 m0 m3 m &var,# R( O2 m3 i0 I% @9 ]8 O) l |
&ei, ' ]! ^+ i* j& R$ l" X9 }" Y &uiErr);+ r1 W5 n7 r* u" g! ]
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SysFreeString(topicStr);; d& |9 s4 |0 B. ]" P
SysFreeString(itemStr); 4 u; C) l# \- L: W% E* n4 e请问该程序是获得extend里面的哪个值? 5 ^ ~' f6 H) F. T/ w9 o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????