; j; ]/ [; V1 G8 D& q1 C" `) ?! F2.这是request的程序, ^( `' V: f1 Q' K
// Request a value from Extend ! K) R- r5 D" v# V//" M: f8 Q: k( F7 J- S/ E' R0 J
// Initialize the variant that will hold the BSTR. Set the variant's 2 O6 D9 x6 n; }+ W// type flag to indicate the fact that this variant holds a BSTR. Place the ' i- ?. r' h1 F2 z, ^0 Y// BSTR into the variant structure. , A9 k: J F; j7 p7 {9 h* g0 U% O4 G % N5 J3 c0 b! @% V# G7 X/ D$ d requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); : [* o/ ` ]; r4 V+ K. g# e 4 Z+ }' O6 u, \ k- \" m- Q2 `) W
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! v* h" ^8 {+ |0 N
VariantInit(&requestVariant[0]); * R1 ^- ^; P* R0 Y, |6 \4 f. Y" d0 V
requestVariant[0].vt = VT_BSTR; * ^) f1 t9 D* e. W requestVariant[0].bstrVal = itemStr;4 u9 i" x) g1 } ` n
% y; N' _1 X$ M% x; f# o$ F4 r topicStr = SysAllocString((WCHAR *) L"system"); 4 g6 J" z' @9 ]0 C VariantInit(&requestVariant[1]); ; e: c. B" ?) r$ \; X( v7 o; S requestVariant[1].vt = VT_BSTR; 6 ?1 s0 Z0 t# O1 `+ b7 G requestVariant[1].bstrVal = topicStr; ; j' T& {* g) P! ` " Z5 e! w0 C/ }: W& ~// Set the DISPPARAMS structure that holds the variant.. j1 |+ s" R& [
/ R5 X) t0 p0 G. y) i. A dp2.rgvarg = requestVariant;" y* N# D; _6 C
dp2.cArgs = 2; . q8 P# f7 @- S! d! F- [: j) Z dp2.rgdispidNamedArgs = NULL; 7 u: h# K9 K f4 T$ z" G dp2.cNamedArgs = 0; ] w" V# {) V( w7 O0 W3 a, w( m" W1 y) c/ X& M
var.vt = VT_EMPTY; , d* J# i4 _ p6 L; A0 f$ J( Y6 S+ A) Q* o
// Call IDispatch::Invoke()( Q5 P0 H( m1 F* Y8 ~: s t0 l* s
& d0 d3 V, T- m1 s) K7 A. P- s hr = m_pDisp->Invoke( ) p3 H$ F& e9 j5 F requestID,' h( j; }- V; e+ y3 a( l/ }
IID_NULL,8 k2 O5 s4 q$ j/ y* u
LOCALE_SYSTEM_DEFAULT, 2 b9 s8 e3 I) Q- u! w# o DISPATCH_METHOD,; y9 ]# C+ [6 h; ^2 P) Q& G0 z
&dp2, 1 ?3 T" ]8 j+ p$ ~ &var,' ^1 P' m$ q8 r4 ^ O" J
&ei,3 O& k. j! T7 z; |( j( D
&uiErr); 9 n: `' H8 `; m; U% F: } t# ?: |% {/ y! B* u8 R) y" d4 T w
SysFreeString(topicStr);8 ]' I+ ]: y, X& {) I3 v
SysFreeString(itemStr); ' [4 [7 C. @1 ~: @) e8 Q请问该程序是获得extend里面的哪个值? ( E- a& P1 H$ u9 s: v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????