8 q1 k6 O1 k5 |/ |2.这是request的程序 $ ]7 G+ M% B6 k5 N+ ^* Y// Request a value from Extend0 W0 f) V% a3 Q* z
// % |/ c* u1 q8 r; `4 F// Initialize the variant that will hold the BSTR. Set the variant's * |7 F) q& _; \// type flag to indicate the fact that this variant holds a BSTR. Place the' a- h% D$ t" b
// BSTR into the variant structure. , w: l" r% e) Q" x 5 P5 h, W/ }& e( @9 Q/ H: f: h requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); ( k1 B' K) X" u6 ?, T4 j0 n + a" D: b$ D( e3 w' X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 5 o, Z$ y# E I: u9 r3 v. t. n6 _ VariantInit(&requestVariant[0]); 3 _8 H. p7 ]$ \9 F
requestVariant[0].vt = VT_BSTR;2 V/ C& q: X E
requestVariant[0].bstrVal = itemStr;' _/ i$ `6 _9 r* f, g
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topicStr = SysAllocString((WCHAR *) L"system"); 1 w& M) T) C8 L# Y$ E" D+ [ VariantInit(&requestVariant[1]); 9 V$ ? E* e: N* j requestVariant[1].vt = VT_BSTR;* Z4 o/ ?$ ^1 @, W/ m' S- a
requestVariant[1].bstrVal = topicStr; 3 ^/ m) f W4 P! R# s - V Z( m7 f: Q. @3 y// Set the DISPPARAMS structure that holds the variant.$ X+ N$ ]# ~! n& }5 K
9 h/ _4 W4 I3 }6 c& L+ o1 Z dp2.rgvarg = requestVariant;3 r% u- c1 f& s
dp2.cArgs = 2; 9 A* R& _+ o+ `& ~; Y dp2.rgdispidNamedArgs = NULL; ; o) h% j H( l dp2.cNamedArgs = 0; 4 D$ ^4 S& c$ g) T% L! r- C4 J3 Q2 s, T9 I. `
var.vt = VT_EMPTY; 2 H% y$ r/ S. v6 i/ c! T4 ^+ m! A7 Z {: V: ^& I3 i( A
// Call IDispatch::Invoke() ' M, B- D9 g* f! D* N8 h% L : V+ l! |, K* S2 x, g$ E hr = m_pDisp->Invoke( % x6 J8 \ r' F" S7 c1 H6 ] requestID,. T6 ^3 X; Y9 @+ K# ^4 G
IID_NULL, 3 c- e/ t; G/ p8 U0 O9 a6 @ LOCALE_SYSTEM_DEFAULT,; n2 l% S3 [! J$ C' T
DISPATCH_METHOD,/ p# _; e2 d( a. C* I, f* B
&dp2, 5 f6 i) D* F7 |3 f &var,2 q \+ P+ a9 ]- V+ w# e T
&ei, 6 `+ M6 \( ~: ^ &uiErr); 1 F1 c4 M! |8 }; [8 ]) L $ Y$ g6 ?; |( J% P SysFreeString(topicStr); 5 s5 q1 k5 P% ^ SysFreeString(itemStr);* Z6 i. G v- F
请问该程序是获得extend里面的哪个值? @. j2 h3 m) e: i% f
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????