/ Z# d+ U1 t# q$ t' b' V2.这是request的程序" S) w; w" i; i5 N1 t6 c
// Request a value from Extend # g* X/ K8 W3 t3 {//+ L( ?6 r" y f9 V* |
// Initialize the variant that will hold the BSTR. Set the variant's ! z+ L" b+ |0 X// type flag to indicate the fact that this variant holds a BSTR. Place the2 w1 q/ B* x$ D0 h3 Z1 j
// BSTR into the variant structure. J; g4 n! v0 P& Q
' U7 M$ r2 G5 `/ a requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); 6 M5 w& J3 J2 x ! [; k1 |3 O# @9 V* t itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); - w9 C, D7 S) R% Y2 Q5 |% d% K- V VariantInit(&requestVariant[0]); : s2 c) A+ F& i8 W
requestVariant[0].vt = VT_BSTR;5 R% w# E6 G4 ?
requestVariant[0].bstrVal = itemStr; 5 r" T- e2 A- o; w9 y " Y6 N9 f8 T: M topicStr = SysAllocString((WCHAR *) L"system"); 6 E5 q3 b' X3 w1 O; c: ~- M VariantInit(&requestVariant[1]); 5 b# C3 E2 Q3 V3 f8 h requestVariant[1].vt = VT_BSTR; , e6 O! Y/ h; k) J% n requestVariant[1].bstrVal = topicStr; , I7 K9 d1 x3 J, W& l! l- P 0 v0 D) u9 G8 m% c// Set the DISPPARAMS structure that holds the variant. % B [. U n6 d4 L) [' Z. E% u h3 w3 ^
dp2.rgvarg = requestVariant; 2 X* c# S( {; u$ G( D' p* Z( | dp2.cArgs = 2;/ ~$ Z+ }$ a- ?1 m) z; ?/ R. g
dp2.rgdispidNamedArgs = NULL;3 A3 p( g) H; e( j0 P
dp2.cNamedArgs = 0; - o7 D. ^5 {& R9 A* D! C3 C9 l ) Q' ^# _' O) S, A7 ~5 a. Z# j var.vt = VT_EMPTY;) z, N3 {: o0 B. u! J* S
, h" v: o, D/ W// Call IDispatch::Invoke() # B' D' T" h2 N: R6 _0 g& Z Q. e. ^) ~5 ?5 C- R6 G$ J
hr = m_pDisp->Invoke( . J% `. h5 n8 ?5 L requestID,0 K% u8 R7 Y P2 H
IID_NULL, 5 c. @" d3 D5 m1 k0 x9 i+ T LOCALE_SYSTEM_DEFAULT,8 j4 N/ O/ Y# e; T
DISPATCH_METHOD,3 C! ~9 ]0 |- @9 n2 c- `* s6 e
&dp2,( ~- a4 l" }, N U
&var,# D% U, H8 E2 \: o, e+ C1 f8 \
&ei,' Z4 x1 F) j( P# r# T
&uiErr); 3 b+ B7 t# O8 W4 ?, D2 t9 M- u2 F5 C) \$ i+ F1 R
SysFreeString(topicStr);6 U8 H2 A$ A! x( B6 H. }
SysFreeString(itemStr);5 k4 o+ f0 v" j. z: s: ^" H
请问该程序是获得extend里面的哪个值?3 H! |7 A8 q$ E, }5 K
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????