3 X- M0 T. _$ b+ c' }$ d d2.这是request的程序' r; j+ i/ o, i
// Request a value from Extend 7 v4 y3 c9 A$ L" V/ s- ]5 p// ; b* e. A$ l7 n3 n0 m* m i; U// Initialize the variant that will hold the BSTR. Set the variant's1 c2 A8 K& Z" [* c, W6 Z; b. [+ A
// type flag to indicate the fact that this variant holds a BSTR. Place the # C* n/ k% u Y: J: {5 Z* D0 g// BSTR into the variant structure. 4 D% t K/ K$ N; A+ { $ i9 A# f+ p8 u/ B# X' h- B requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);0 a3 e3 f: ^- V( I/ x$ [
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 a c. \( w0 _5 w6 _
VariantInit(&requestVariant[0]); . \; g8 F6 P5 L% }" G+ f9 ` requestVariant[0].vt = VT_BSTR;1 @8 S* b: \: C( ^, ^7 v/ I2 R8 v
requestVariant[0].bstrVal = itemStr;) {* o* V% f, [( N) X# Q. w
9 D/ ]" ~. p3 \& Q/ x. u, @3 I topicStr = SysAllocString((WCHAR *) L"system"); C6 s6 B' Q/ z- K4 t8 I: X$ u7 A3 g VariantInit(&requestVariant[1]); * f5 |3 Y# K r i6 K" N6 x
requestVariant[1].vt = VT_BSTR; 6 V: E1 m- r% @. H; u9 c- N6 e requestVariant[1].bstrVal = topicStr;# Q3 ~' g- X4 j5 d! a4 M$ {: H$ D
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// Set the DISPPARAMS structure that holds the variant.7 u) k7 @% P" H& J7 [1 z/ B
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dp2.rgvarg = requestVariant;1 ~+ x3 ~! c- [, T* U' N
dp2.cArgs = 2; ! d6 j& o! R0 p dp2.rgdispidNamedArgs = NULL; - O3 m, p* w" ]: @, [ dp2.cNamedArgs = 0;% B9 m' ^7 S( w+ Q' m
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var.vt = VT_EMPTY;" ^5 x9 o: i6 m2 o& A4 n u
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// Call IDispatch::Invoke() , x5 M+ Z. v+ S% V |% @, ~6 M , U6 v0 O! J8 }! Z; Q4 X% K hr = m_pDisp->Invoke(% x3 p2 ]# ]! X
requestID,& w' G- j3 f3 X" Z7 j, U
IID_NULL,/ S1 B3 {/ ]6 ]- O2 D0 r
LOCALE_SYSTEM_DEFAULT, " G; x% O" g1 ^& w/ c9 B DISPATCH_METHOD, ! ]& H0 r2 Y) t, | &dp2,$ s: j1 D+ Y0 s; g4 E0 [
&var, . U& e( a% e. G* @) N: ^ &ei, + s2 }3 Q- w% _4 g( R4 @ &uiErr);- W3 p0 |. g3 o$ Q5 X
2 i% E; P0 c4 K/ }1 S SysFreeString(topicStr); % d' \/ b: I$ Q+ U SysFreeString(itemStr);1 T% j8 T! f/ }9 q3 H4 L# {
请问该程序是获得extend里面的哪个值?; |' h$ s9 |6 P
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????