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2.这是request的程序* Z0 d: N' A& l% K7 D
// Request a value from Extend5 X; y! K" G* T9 w: {% j
// & N. \" {7 j. I. \1 ]" R// Initialize the variant that will hold the BSTR. Set the variant's/ z2 Q2 _$ J3 {
// type flag to indicate the fact that this variant holds a BSTR. Place the ' z' j; b: Z& J, f// BSTR into the variant structure. 0 T* ?* E- B+ X + q' `, {( @7 D. _' b4 b requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- p1 }+ W' m4 m0 y9 b& E
, e, p( j5 X! z4 @6 B d5 D( I itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ' r) ?4 ]8 W7 ~ P5 V8 } VariantInit(&requestVariant[0]); 5 U/ H3 v! j2 B# O8 c8 o& D# p: a requestVariant[0].vt = VT_BSTR;9 O2 V0 G( b/ D. @# R5 ~
requestVariant[0].bstrVal = itemStr; 1 G- p' ?* ]& x+ `8 G8 S8 O4 z. H% x! s' j& y! w
topicStr = SysAllocString((WCHAR *) L"system");" {' }. W2 V$ B# ^# j4 E$ f
VariantInit(&requestVariant[1]); 2 f) A0 e% {( m$ B8 G- O
requestVariant[1].vt = VT_BSTR;9 x5 n; j6 p1 Y4 c9 R% \ n
requestVariant[1].bstrVal = topicStr;6 n. ^" D1 n( s! Q, R/ G$ O
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// Set the DISPPARAMS structure that holds the variant.: N6 k- ?4 _' d, m3 A2 X+ O
& W& ^' m( g2 y& \ dp2.rgvarg = requestVariant;$ x% k) g/ v* a1 @: t- i& u- b
dp2.cArgs = 2; 9 u. x4 X& q0 t dp2.rgdispidNamedArgs = NULL; 1 H& Y+ R+ x8 S; v% ~2 r M" F! [ dp2.cNamedArgs = 0; 7 f: c1 O( D* i( e, @ " G4 @3 n+ ^) D- S- _ var.vt = VT_EMPTY;! Q# W3 D& f1 y- G: Z5 L# @* a
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// Call IDispatch::Invoke() S N, U a( o. N & \$ K; J e9 ]7 v, T1 m. } hr = m_pDisp->Invoke(: C- Q7 T3 k5 N3 s8 K: D
requestID, - X/ W+ @+ {$ Z( C6 c IID_NULL, 1 X! B, t. Y: \2 R5 J2 Z# N LOCALE_SYSTEM_DEFAULT,+ R1 S) z" @% X7 j
DISPATCH_METHOD,$ Q1 E! h' f9 x6 Z
&dp2,* ?0 j6 |) |0 `, U2 J
&var,! {8 K, z2 J+ Z7 x, _' f* w/ N
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&uiErr); . z- w: b! w; P9 Q4 \0 P1 h o- ^" v) a, ^& |2 l/ B" g
SysFreeString(topicStr); 6 \! o0 P% f7 ]* K SysFreeString(itemStr); 7 e1 B7 P9 o6 M2 U1 J请问该程序是获得extend里面的哪个值?- q3 s$ D( R) _2 V; H3 n" 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????