7 E; K+ M& N8 T: p+ c2.这是request的程序 + E/ H, X# h+ t! @7 [8 [6 R// Request a value from Extend 5 ^1 m& n4 T; U7 t9 W) ~2 p// 3 |% X$ M2 e$ I5 {// Initialize the variant that will hold the BSTR. Set the variant's5 z2 {; l9 h3 n4 |# h6 L r
// type flag to indicate the fact that this variant holds a BSTR. Place the; R, c- M/ o6 {6 w5 W
// BSTR into the variant structure." W6 M) `0 t j" c0 T
) i: Y, i, B- ~. k" l requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); & z- p; K# t+ G Z( v# i9 n7 o1 Y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 k; E0 K- n) S J
VariantInit(&requestVariant[0]); / v4 y# W1 n3 F4 O7 Z& W" l Z/ Z, g5 j requestVariant[0].vt = VT_BSTR;& X( D& Q% Y: \ u5 P$ @7 p
requestVariant[0].bstrVal = itemStr; 3 D! ^: m/ B0 S1 O0 p' t$ C8 D " k- n. N2 w: s5 X y5 t6 p topicStr = SysAllocString((WCHAR *) L"system");' M8 ?8 h P6 B0 B8 S2 G+ k2 D
VariantInit(&requestVariant[1]); & a1 f% m$ T, L# _# X! k requestVariant[1].vt = VT_BSTR;" ]! X" X2 i. o6 |% U6 r
requestVariant[1].bstrVal = topicStr; % o' K! I5 `- x0 f+ g" k c% H 9 \! \9 z9 N8 P7 [: w// Set the DISPPARAMS structure that holds the variant.* K+ p$ n6 S; ?7 a* N+ Q
3 [7 |7 l! X: T7 j, ^6 D3 Z! o) L dp2.rgvarg = requestVariant; ! m: v$ ^! w/ J( r W3 E0 O5 A1 l dp2.cArgs = 2; ' I9 T0 H/ w; `+ U8 L/ } dp2.rgdispidNamedArgs = NULL; # t) c0 b; Q. w+ K: R- c# S dp2.cNamedArgs = 0; - a' W$ y( T* p* S2 u+ h+ g% b* T' I( g! d+ }& q" L9 x
var.vt = VT_EMPTY;7 B& w0 I0 H6 U E
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// Call IDispatch::Invoke()+ }; l9 l {+ i$ _
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hr = m_pDisp->Invoke( ; A: h7 r. L! {0 g' c requestID, / |5 L. z" z2 I+ P3 N6 G! A( ]! e6 R IID_NULL, 8 `0 X3 v Z3 ~ LOCALE_SYSTEM_DEFAULT, 0 A( E4 n# q, K% E6 m- ~: s DISPATCH_METHOD,3 x$ ^, o2 n( y# I) a
&dp2,% H8 j3 I, g/ e R1 J9 C& ?
&var,- @& f# H% l# W& M" Q
&ei, & y* U0 G9 o% y4 U0 E7 `' X2 w; ^ &uiErr);0 z* v. I$ L6 l4 @! c3 r
: k: i) N9 y5 @- k7 h; h! t% m' N SysFreeString(topicStr);. P1 @# f( [( I- B$ ~, u: N
SysFreeString(itemStr); $ O, j; }' W" L' I请问该程序是获得extend里面的哪个值?' {# i" U" ]( G# _3 ~ {4 F2 n
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????