% ^% ~! @; z" g( w# \$ Q- @2.这是request的程序 & X* Q' M. e( {1 Z( I; y8 O- k$ ^% R7 P// Request a value from Extend 0 z# e- o* P& I( `// 7 L- {+ q& D+ h) O- D& W// Initialize the variant that will hold the BSTR. Set the variant's6 j5 X" ?5 {* [2 U) v
// type flag to indicate the fact that this variant holds a BSTR. Place the- ]& _$ t7 Z4 p& q4 b8 C
// BSTR into the variant structure. $ ? J6 L& L2 ^6 X) N . `& t Y: D. a2 ~. P7 t' R requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* U2 V# J# Q; s9 K$ J" _' N
& S6 X, o& }/ s- R8 A9 m | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- L0 U9 ]7 \4 j! z0 u5 W* ]9 b7 Y
VariantInit(&requestVariant[0]); ' F! c& @ w5 r( M" @* R requestVariant[0].vt = VT_BSTR; ; `! u* Y, T! n7 X3 O. j- v, C requestVariant[0].bstrVal = itemStr; 2 n2 R; Q0 {* A+ ]6 p- m6 @* K/ ? i1 v, K. m6 Y
topicStr = SysAllocString((WCHAR *) L"system"); # {. C" Y) k2 A. f" D6 S/ [ VariantInit(&requestVariant[1]); / A' i6 i4 T; s% Y1 B& w requestVariant[1].vt = VT_BSTR; 3 h7 a9 H( N8 U( V( E requestVariant[1].bstrVal = topicStr; 7 u4 u. m1 h- |$ f/ M* t; Y% }2 P2 \% F/ T% S! q
// Set the DISPPARAMS structure that holds the variant. & s+ f' e) a3 ?, f$ @ $ i/ u& {; N; a# p5 N& T6 z dp2.rgvarg = requestVariant;4 Z+ T# |5 h: p
dp2.cArgs = 2; - u1 n6 L: x, D2 {5 c& I) f6 D dp2.rgdispidNamedArgs = NULL; : ^0 X7 X, y; {& W4 E dp2.cNamedArgs = 0;- F! D- g' X, l# [9 r5 i$ t% X" X
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var.vt = VT_EMPTY;4 e3 F9 K# y! V$ v
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// Call IDispatch::Invoke()5 N* f- S3 C2 M6 O
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hr = m_pDisp->Invoke( % ?3 v7 x3 y. \* |9 n) W requestID,0 |+ x( G1 K! @* \
IID_NULL, 3 P7 K: i2 [9 I LOCALE_SYSTEM_DEFAULT, ( c0 ~1 U$ k5 k& _& m DISPATCH_METHOD, 4 c& i5 o& F& b. |/ w4 G3 L h8 w2 d, i &dp2, 3 l* z1 Y) f- p/ G; @ &var, 0 P( F/ g3 A& D: ~0 b( B" ~ &ei,2 H$ \, x8 y# i1 o
&uiErr); 0 ?! _6 c2 Y' Z8 W: @# Z3 @# j. p% V, K! h( G7 ]8 t4 I- W
SysFreeString(topicStr);' I8 f) d( K) b _" C: a) Q
SysFreeString(itemStr); ( J4 [9 y* ^7 @* ?4 o8 ?9 F* d' X请问该程序是获得extend里面的哪个值? 7 \ P' h; v8 I: E3 V2 R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????