9 f. I1 K8 {4 h- o/ h2.这是request的程序' |3 k3 m/ S7 k( r' M, K. [8 H
// Request a value from Extend1 m3 N0 g' e. Z; k( M" W
//1 W0 e- B1 }- [* R1 R: g& \
// Initialize the variant that will hold the BSTR. Set the variant's9 s0 Y; t3 \2 @$ ^5 E# G9 w; t; R
// type flag to indicate the fact that this variant holds a BSTR. Place the % [3 L# _* b8 r9 z// BSTR into the variant structure. ) p" a6 d! O# f, t; L1 L . I) R2 G" b v6 ^ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); 0 c( m. g' f! r$ c6 | ' P7 f b8 {% ~0 f
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! f9 T$ {3 m& t7 t4 V/ b
VariantInit(&requestVariant[0]); & Z' x- S- Y! d3 u8 P) {
requestVariant[0].vt = VT_BSTR; 9 \2 O' [7 u( q2 A+ Z, E9 K requestVariant[0].bstrVal = itemStr; o3 p* f3 {: O) `8 Y) n+ o
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topicStr = SysAllocString((WCHAR *) L"system"); # v5 ~( X3 o; n+ L9 u5 M& _ VariantInit(&requestVariant[1]); ) Z) b% U$ v9 Z6 R3 \ requestVariant[1].vt = VT_BSTR;/ v: ?( A% U& ]* A( ^; Q2 F, }
requestVariant[1].bstrVal = topicStr;* P. o7 \ A0 ]! i9 `! w
0 ]: l) g5 V$ V" p// Set the DISPPARAMS structure that holds the variant. & z/ O8 Y# h9 z; T- F/ n2 z) K$ a# b y5 b. n4 Y
dp2.rgvarg = requestVariant; ; u( G. D" o6 t( P. A' V# v dp2.cArgs = 2;9 R) ^) H e% V# ]5 F7 f
dp2.rgdispidNamedArgs = NULL;# D; f1 l9 O7 S: y: g
dp2.cNamedArgs = 0;8 A3 y6 \( Q l2 ?! a
' D+ ~' n! Q5 G% i" S4 P% ~6 _ var.vt = VT_EMPTY;& T; _% o) j+ Q* n) h2 G: w) `1 ?' X; U: ]
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// Call IDispatch::Invoke() 9 V) {7 v& Y5 ], z7 B0 W! X- }/ s. r! ]6 Z2 U/ R
hr = m_pDisp->Invoke(; f+ v1 X/ e6 C0 f% ]3 k
requestID,( k# ]$ \0 _6 w8 @0 o
IID_NULL, ! e9 ~! c& S( u4 @6 C$ u6 E) J LOCALE_SYSTEM_DEFAULT,* Y: }* }- |) w
DISPATCH_METHOD, - M: n* {& L! n" S: o' l6 c &dp2, x+ Z+ U" n" a' p$ U9 G$ c6 F &var, + W" Q, q* }) Z/ L- }% f &ei, : q' S: c# j& r &uiErr); + x) i5 ]9 H3 Q# u' R0 a7 T; `: u' o" {5 l
SysFreeString(topicStr); . V( N, h( w* H+ z6 M# s) V' Z, B SysFreeString(itemStr);' M, P' v- F3 t
请问该程序是获得extend里面的哪个值? * G3 B6 Z% T3 o, s* 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????