& U- A3 W/ i/ U' n4 L6 v7 R* |) d2.这是request的程序 % p6 n, M& [7 k6 e" Z// Request a value from Extend + g7 R* Y' W7 s) \8 m) |// 8 q/ Z1 V9 @* A* b& j// Initialize the variant that will hold the BSTR. Set the variant's ; z6 M; p3 u6 R' ~( D; i// type flag to indicate the fact that this variant holds a BSTR. Place the+ s6 x C7 {+ n5 h M! N" {6 k
// BSTR into the variant structure.. s, c8 {+ s1 r l: Z
* R5 Q7 w) ]- I4 S
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ W; V7 Z9 }& }7 q
G5 O d K! b4 H( a
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 b$ V" u( K7 k6 F+ ]1 H
VariantInit(&requestVariant[0]); ' \+ p3 y: j4 R a4 V( T% \1 J requestVariant[0].vt = VT_BSTR;$ D2 _5 I5 {1 ]! ^$ g6 E. ~" W# V- V
requestVariant[0].bstrVal = itemStr; 2 d+ E- l4 T3 f) Z 3 \1 x, |% {- R7 t1 y( U* H topicStr = SysAllocString((WCHAR *) L"system");/ Z8 w. o) v' Q! D# C
VariantInit(&requestVariant[1]); 9 G6 G6 e1 [) T! b2 V& K5 L$ B; z
requestVariant[1].vt = VT_BSTR; " G- P$ f/ f8 c) C requestVariant[1].bstrVal = topicStr;5 J0 E' I+ R2 e4 X
) c2 f; p( R9 q# L" U/ Y// Set the DISPPARAMS structure that holds the variant. 1 q- P. ?; o' e# ~ ; I T# f( J2 G7 Z dp2.rgvarg = requestVariant; / t: v! W4 k" [ dp2.cArgs = 2; 4 f* O5 j% `) D# \& H0 F( Q. @ dp2.rgdispidNamedArgs = NULL;4 u! h ~3 M/ K% Z2 |
dp2.cNamedArgs = 0;8 w* G! [' N7 ]$ F+ {
( [3 p! L" }' {' o2 P& o9 } var.vt = VT_EMPTY;: `2 S E+ x: t
+ X+ z2 M4 P# H( I9 S. V// Call IDispatch::Invoke() ; H! j1 L/ e8 s0 l$ t! m; A+ m3 e # K6 A1 L' M4 [4 d hr = m_pDisp->Invoke(1 t1 {( [4 @) B, {9 G: w/ P
requestID, 2 N; n# w, Z8 G I IID_NULL,6 ]0 \! ~! D: X7 Q2 W
LOCALE_SYSTEM_DEFAULT,* L$ }3 H( c+ c% s: ?6 ]
DISPATCH_METHOD, q% g" Z! v! c) q) h
&dp2, . M; I* Y1 ]/ U- w1 @- s &var, 3 f# N5 E% t8 [/ m6 D! h &ei,! D& o' o/ B3 ~+ b! C/ E I/ j
&uiErr); - A; X- c0 @9 l2 V& P& B/ c ! w/ D1 ]" n0 ^& |( G SysFreeString(topicStr);* w3 n1 d2 j" i6 {
SysFreeString(itemStr); 7 Z% S/ J, p! p- C6 T' s请问该程序是获得extend里面的哪个值?5 N+ Q$ _* K0 w' ?# n# 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????