( p2 S0 Y; Q: j/ x8 o/ y6 }2.这是request的程序 2 T0 m+ u! A0 y& K) I// Request a value from Extend & v0 k: b/ g' d9 P5 ^! I//5 g) e- I0 R# ]/ T/ M1 B G
// Initialize the variant that will hold the BSTR. Set the variant's$ |7 E% U+ q5 w7 @% b
// type flag to indicate the fact that this variant holds a BSTR. Place the. v' ^$ i I1 O
// BSTR into the variant structure.2 l4 W) `- D, F+ J3 w
3 _. i: U g% c" h requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);: O1 ^4 l4 X6 N' \1 g8 `4 d3 ~
2 n. V$ ~5 z: ]$ h% g# V1 q9 V itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 y; H+ f+ @- z$ {; A6 ?) w
VariantInit(&requestVariant[0]); 9 H1 C' Q( o- V( J7 @
requestVariant[0].vt = VT_BSTR; 0 y% W R- c" z8 P( b) a0 w9 a requestVariant[0].bstrVal = itemStr;: X I: d7 D% N- Z, p; M
& K: H. N& O" r: b8 @ b( u topicStr = SysAllocString((WCHAR *) L"system");- n& A& J+ X) b
VariantInit(&requestVariant[1]); - ~* E& ^* Y( v6 F6 M7 u/ m+ r3 T
requestVariant[1].vt = VT_BSTR;* D- n+ ~0 X3 p, |5 @
requestVariant[1].bstrVal = topicStr;7 e D+ q0 P' D# H0 g" [' X5 F( n
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// Set the DISPPARAMS structure that holds the variant. + d& }! d1 U9 U3 L9 O4 A% w9 d. Y0 m, x: F8 p9 O) Z+ V
dp2.rgvarg = requestVariant; 3 z2 y% X* i+ P }. f- i& j dp2.cArgs = 2; ; m1 b, W9 n" s1 a0 y dp2.rgdispidNamedArgs = NULL;% e3 G a/ i- I* \5 w
dp2.cNamedArgs = 0;7 ?& m% `9 j, `5 s! S
5 N" B2 q) w( j var.vt = VT_EMPTY;6 d) b' B8 t; _* h F. N \* Z
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// Call IDispatch::Invoke()' s1 D/ o( T5 o' G" }% s! F
! G* J6 e+ |4 x( T& L6 j8 [ hr = m_pDisp->Invoke(: O4 v& {; Y2 m! f
requestID,+ _, j0 {) A6 U, _
IID_NULL,: Z4 ?/ N% M8 }. N0 t
LOCALE_SYSTEM_DEFAULT, 3 R0 k* U! K4 D6 T* R DISPATCH_METHOD,6 B0 w( i) e/ V J! A8 u
&dp2, ; R J' I% v: f1 f; i# X &var, $ J% p1 L- w7 ~3 G7 p &ei," h# L2 n' O; G8 `' J* ?
&uiErr);/ i' c( x8 A5 f3 a4 M1 T; l
7 ~7 P( ^7 w, [. x6 k) |6 o( w4 H SysFreeString(topicStr); ' M! L l. V5 ?! m SysFreeString(itemStr); 9 V# l8 ]# ~: \请问该程序是获得extend里面的哪个值? t0 B0 m. c( F8 X, ~7 k6 \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????