: t3 ?* `! U/ {$ l1 b* {6 x7 M' l # D' y' s6 j& x, t, p2.这是request的程序 $ j$ p9 V8 h6 N# C3 u/ a$ k// Request a value from Extend 5 O7 D' o4 M/ I( u//1 i( d# D! J1 v9 ~8 P4 _
// Initialize the variant that will hold the BSTR. Set the variant's % r; e# E) z3 P' f" D% h0 a) b// type flag to indicate the fact that this variant holds a BSTR. Place the * Q. H! e/ U. A& Q& \; i// BSTR into the variant structure. : l3 P- E1 i. J O; \: N3 ~! q) N9 }$ {
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); 0 j6 p9 M' f2 z, C* |# x % o$ k0 V. H4 S# z
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 4 g* c1 d) x; w4 E VariantInit(&requestVariant[0]); % N1 Q8 K' e# J u8 ? requestVariant[0].vt = VT_BSTR;$ D. V% h) K9 k/ u
requestVariant[0].bstrVal = itemStr;9 b" Q$ P) t& y0 ]. O d1 X
8 K" }* K8 j$ y- I' i) J topicStr = SysAllocString((WCHAR *) L"system");5 e8 X8 W) f3 X
VariantInit(&requestVariant[1]); 5 t% S3 e; D4 V
requestVariant[1].vt = VT_BSTR;1 I0 z J0 T! k% r: l
requestVariant[1].bstrVal = topicStr; 6 D1 [$ e# v. e 6 A/ ?6 a$ M+ }# \# l// Set the DISPPARAMS structure that holds the variant. 0 Z$ W$ g/ j, y5 t; k" B- M, k1 Y2 D# e t
dp2.rgvarg = requestVariant; ! V8 h$ M" l5 e+ _$ \8 D dp2.cArgs = 2;4 B+ w [- [5 p2 |+ }7 d: K) ?* }# D
dp2.rgdispidNamedArgs = NULL; / Z8 }* H. C1 M# K, o6 F6 g: f dp2.cNamedArgs = 0; 0 D, G# ]/ G4 f3 ^/ W1 h r8 O/ Q8 q: N. q$ c3 f1 H e, F a: Z) N3 Y
var.vt = VT_EMPTY;. l8 A0 R5 w2 O9 Y3 I7 {) I+ r
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// Call IDispatch::Invoke(); H1 h$ H" J& J- D9 i+ [& q/ p
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hr = m_pDisp->Invoke( * Q. J# {6 I5 ? requestID, 9 j* B8 }. b0 h IID_NULL, % j3 i/ |% p4 } LOCALE_SYSTEM_DEFAULT, 2 S- } }- ?8 C0 D DISPATCH_METHOD, . F, L( N6 b w7 j2 t8 W &dp2, * B6 v' p+ ` K ~( Q8 C, z, T; Q &var, 0 j: d4 {( P* |7 m. L B9 [ &ei,$ @) T4 l2 z" x1 S# \% ?7 \
&uiErr); : B( w+ u N. k: w7 l9 b4 C/ | " S- }( R* V% p8 `# n! L5 @ SysFreeString(topicStr); " l, l+ I& R4 o$ C# u, ` SysFreeString(itemStr); 3 z9 p' X! b! f: \! n请问该程序是获得extend里面的哪个值?- T& v1 _% r6 d
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????