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2.这是request的程序; f) t1 n6 ^6 }) i/ c
// Request a value from Extend 7 V$ G7 F4 f$ H3 p' h/ X//. A7 M8 S, H# r7 S1 d! K' Z2 X9 q2 L
// Initialize the variant that will hold the BSTR. Set the variant's, _. ^0 p$ ^/ Z" l
// type flag to indicate the fact that this variant holds a BSTR. Place the$ x' C4 a+ G6 f) l1 x6 i
// BSTR into the variant structure.2 s( U" L6 o6 y: k3 G& X( u6 x
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); 1 x( c J2 f9 O9 s: D Y 5 Y( S1 N! g( R$ Q1 X0 D9 A, p( `
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); + T5 v: j* N2 Y* f VariantInit(&requestVariant[0]); , e5 p' Z- L) A/ a' h requestVariant[0].vt = VT_BSTR; # G3 k: L6 ^. _, B requestVariant[0].bstrVal = itemStr;- x' N+ N) }9 t8 u+ |/ E
: A! N( {5 l9 }: p4 _3 D9 K3 w! D topicStr = SysAllocString((WCHAR *) L"system"); q5 a f* W& A7 h VariantInit(&requestVariant[1]); ; B/ \; \# O; [: c% o# a
requestVariant[1].vt = VT_BSTR;" V4 `( @$ W0 g5 N+ m! g
requestVariant[1].bstrVal = topicStr;4 h0 Y% a* }9 N) t
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// Set the DISPPARAMS structure that holds the variant. ' v+ O' U+ t, s7 A* R( k8 @; |; E: ~3 Y+ s; o7 q
dp2.rgvarg = requestVariant;# p8 A9 T4 y: s' o3 f- ^. D
dp2.cArgs = 2; B' J& K0 Y1 [' D% K* f2 e dp2.rgdispidNamedArgs = NULL;9 N8 t! Y1 g& p3 c& Z, E& N. H
dp2.cNamedArgs = 0;: ~ n) i4 F0 x4 B
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var.vt = VT_EMPTY; , t5 H. G+ O; ^2 y8 W . ]7 l( `9 {9 q/ T6 K- P, `* t// Call IDispatch::Invoke()% @' c) g4 i0 ?8 i8 \) K: T* y
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hr = m_pDisp->Invoke(* e8 x$ [. C- \8 l D9 j: C
requestID,$ s5 q; o/ \- E! D
IID_NULL, - m5 ~. p/ O3 F: F4 _4 o LOCALE_SYSTEM_DEFAULT,8 ? ^8 c, Z4 d- u S
DISPATCH_METHOD,1 g6 f% F" V8 Z4 V& y
&dp2,- t6 P: S# @- I6 O+ W+ ~: @( N6 `
&var, . p) X8 Q4 D. O7 K; V8 J9 B &ei, " ^3 s0 D* V- ] t* S. k &uiErr); " x' f1 I2 M4 s+ Z/ O/ S' w4 w6 h B0 M2 T7 X4 @
SysFreeString(topicStr); * A# F1 O1 M( j5 s: \ O SysFreeString(itemStr); , v. @$ L' Y9 @" h: V1 [请问该程序是获得extend里面的哪个值?0 ^9 P0 V4 q' c$ Y4 Q0 ^
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????