) w5 @+ J1 o, v) v7 j2.这是request的程序$ L$ Q* o# v; ^- }2 r7 L
// Request a value from Extend6 J+ Z6 Q* U! o% b& T& P0 p
// 3 T: X$ \+ L+ Y/ c+ W# o1 b// Initialize the variant that will hold the BSTR. Set the variant's 9 I& J" u! e8 l2 Z, Y5 o# z// type flag to indicate the fact that this variant holds a BSTR. Place the 5 |4 A( ?1 {/ w2 \) u// BSTR into the variant structure.$ j! u \6 `/ {- l |! w
3 e: s' t% `* t# e1 C; X. O requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); 6 c5 N4 H9 O: W y' X6 u 1 j( f2 D0 _/ M2 R' P& c2 }
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 6 I- K- F9 y# A5 B1 j7 r R VariantInit(&requestVariant[0]); " Z) d% l; q0 }: L
requestVariant[0].vt = VT_BSTR; , k: r! a. B; C requestVariant[0].bstrVal = itemStr;' j$ B8 `9 E" U& ]6 Z7 O
8 p. ~8 v5 z3 K1 Y/ B; N% {
topicStr = SysAllocString((WCHAR *) L"system"); $ G) |( g! @8 N @/ j" P VariantInit(&requestVariant[1]); 0 T' j/ o. _' a5 H- d requestVariant[1].vt = VT_BSTR; 4 {) a! t; Q: W requestVariant[1].bstrVal = topicStr; L( W9 q1 q4 e9 j8 P4 \
S! w3 s9 n+ Z* w' T, g! Y% E$ {& d// Set the DISPPARAMS structure that holds the variant. 8 p% Y9 P" \( ~0 B; R3 S' m" \3 |0 d, P+ ~8 z6 ?
dp2.rgvarg = requestVariant;4 x( {8 T6 o6 n6 w9 M. m
dp2.cArgs = 2;( i, a3 j+ X& l! F3 |. A
dp2.rgdispidNamedArgs = NULL; ' N& `, Z! y% G7 t$ i: ?+ ^ dp2.cNamedArgs = 0; 0 w7 W& l4 b# y: J+ G) z$ Z* |& ]8 L( L
var.vt = VT_EMPTY;& C8 G0 _1 J: q# f' f
/ W0 {9 M6 O! t3 G# M; Y: f// Call IDispatch::Invoke(). K1 s `3 s' F7 W* A
+ b: C/ k8 g( f9 f hr = m_pDisp->Invoke(* k0 s! C* I. u) `
requestID, 2 |; {4 G v E/ o" @1 c0 A IID_NULL, / N* N. e& f& x: ^4 c! t LOCALE_SYSTEM_DEFAULT,! j! m% R' r e, @
DISPATCH_METHOD, - \' ^, y4 E/ q! x: Y$ I; h &dp2,( }/ D9 W q& N. k O7 N) e
&var,: ?; c/ d8 i! {$ {8 P/ `4 c; j- z- W4 K
&ei,/ d/ S2 U0 r9 M0 _ j( \( s2 g
&uiErr);- `: p2 B$ O! M9 I% X6 o' e' I
& N. M) i. Z; Q# o SysFreeString(topicStr);: j" M8 O( L' t' A7 K8 y& f) |6 T
SysFreeString(itemStr);8 A& _4 Z6 | X
请问该程序是获得extend里面的哪个值?/ J0 N* o4 Y; X( P2 s2 a! ?
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????