1 s' _! i Z- g9 ^# ]6 c2.这是request的程序3 w6 V# \2 ~+ j: n" O4 n0 y
// Request a value from Extend7 }: O2 H. ~# U
//" E* X" y: d7 p* E1 I% W9 e
// Initialize the variant that will hold the BSTR. Set the variant's& C. H5 O3 I3 q4 R) s) P( _
// type flag to indicate the fact that this variant holds a BSTR. Place the- q3 ?/ i9 M! o, x4 ^
// BSTR into the variant structure. 3 |7 V* _% L( d7 V1 j2 F2 D 7 }* e! o5 q! B; a! \ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( \' \ \$ c4 h/ _0 h9 b) p" h
' @4 [, R9 H Z$ ?8 D: i itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); % S! w9 M( R* i' Z, v VariantInit(&requestVariant[0]); # E" A$ h4 I( u3 M requestVariant[0].vt = VT_BSTR;) f6 C& j/ @! p! R
requestVariant[0].bstrVal = itemStr; t1 E. V! _ p3 P0 o* W; d5 g: e o7 z: s
topicStr = SysAllocString((WCHAR *) L"system");5 W% t) t+ @4 T, f I
VariantInit(&requestVariant[1]); 9 A6 _! C6 }: x, c: C6 S
requestVariant[1].vt = VT_BSTR;$ x( `3 Z. L" S9 C7 Y
requestVariant[1].bstrVal = topicStr; ' j6 Y$ F# T; ~1 h' A& K; }& ]9 l5 V8 y' ^2 V9 V+ w
// Set the DISPPARAMS structure that holds the variant. 9 q( G' X6 ^* K' H) o4 C. x! b7 b& W5 q
dp2.rgvarg = requestVariant; # X$ N5 _4 ^' O+ [# j) n9 O dp2.cArgs = 2;5 Q0 F: Y, M6 s4 r9 S
dp2.rgdispidNamedArgs = NULL; ) v( v$ t+ g0 P5 w( h- Y+ m! M dp2.cNamedArgs = 0; $ L( X! j8 U" S& x8 ?7 V; F! `, Q7 a, k% H+ r$ K4 y4 n$ F
var.vt = VT_EMPTY; , s- l$ F: T2 {- E' P T, U 9 ?. R* y$ M$ [1 g// Call IDispatch::Invoke() 1 A8 g' p+ B0 Q' D$ e7 b" y3 s. |' Y* o4 w* |: [& B; z
hr = m_pDisp->Invoke( % o' J8 s- u+ ]) ? requestID,: o) i* V }% t" C1 m" T1 j
IID_NULL,9 B" w4 l& D" p7 Z3 \& T
LOCALE_SYSTEM_DEFAULT, 0 g- ? D8 B; V0 H DISPATCH_METHOD,; C- L, g+ L9 G( ?1 c
&dp2, F& G v. W# Q J7 y( S; Y &var,$ l/ t# L+ T$ Z+ B
&ei,/ `+ _; h4 a- e5 E8 x9 e0 X8 M
&uiErr);9 R7 U$ p1 Z2 L& B# N- B! C
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SysFreeString(topicStr);3 i( @4 E, J& P6 s; E1 a
SysFreeString(itemStr);8 Y- B" E& ^- x0 y: m* y
请问该程序是获得extend里面的哪个值? ! E; U/ C, z; Z+ d2 \5 ?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????