0 v4 H" p. I8 k+ I$ v5 G, k 0 Y# P" ^( s& ^; }2 [0 j6 K) L; o2.这是request的程序, _$ y2 U. M, T# G
// Request a value from Extend- P, j. P8 n) x- H# }
// W" m! N8 F- B( y5 }
// Initialize the variant that will hold the BSTR. Set the variant's9 M+ \( a& V- N! Z, u+ ~
// type flag to indicate the fact that this variant holds a BSTR. Place the / e6 x* x. C. k% b* M// BSTR into the variant structure.! v, z! H1 Q7 X
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 K" U: t9 C e8 G
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; H r) F5 ?0 e: A
VariantInit(&requestVariant[0]); 5 K+ l F: R" [# w; |$ O
requestVariant[0].vt = VT_BSTR; ) o7 v* n& U1 s# d requestVariant[0].bstrVal = itemStr;6 m- S. N$ b5 r
- k [' [! L3 x9 n2 W" o topicStr = SysAllocString((WCHAR *) L"system"); # A, ~! L3 U9 ~( A( n5 B4 ? VariantInit(&requestVariant[1]); - y5 m( e9 |" _0 e& v
requestVariant[1].vt = VT_BSTR;5 Q9 [! v* ~. D% P! B) c$ P
requestVariant[1].bstrVal = topicStr; 3 O' k/ D$ g, ?" @8 F& c " i) o1 i0 ?1 o/ I& Q* a% n/ a+ i// Set the DISPPARAMS structure that holds the variant. / X% F5 ]. o- R6 n9 N/ d( d& v: R0 R- }
dp2.rgvarg = requestVariant; d3 Y) u3 e/ q* K( t4 v8 f dp2.cArgs = 2; q6 _4 b) t6 b/ e% W
dp2.rgdispidNamedArgs = NULL; 9 }0 {5 x& K# l5 L* v& \7 X dp2.cNamedArgs = 0; 5 W- j+ P5 @: u! g0 ~; T# D- Q$ J ! w# K& Y+ o; I |; p) {& C var.vt = VT_EMPTY; ( W' r/ N% ~( E. Q% T; b ; [' D/ v7 t: h! X// Call IDispatch::Invoke()1 p( Y# U/ ~( c- ~. A& N- e7 |
) [8 ^7 [, A6 s' }' K hr = m_pDisp->Invoke( $ y9 Z `" A! F: l6 s. V requestID, % {6 k8 i A2 @# O) L* `& Z IID_NULL,% E- P/ z- _, [: V
LOCALE_SYSTEM_DEFAULT,/ c/ W" u! O; N/ p% ?
DISPATCH_METHOD,2 y7 ~5 P" z9 k5 l) v" G
&dp2,- @0 k& L4 [) v4 `$ }2 d
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&uiErr); - K G( W* \1 p/ A; G + c8 G. \. Z/ e8 |4 w SysFreeString(topicStr); 3 I1 e0 l" K+ ?% |. l5 }# z* U SysFreeString(itemStr); . Z/ s. `) k. p请问该程序是获得extend里面的哪个值? # ^* t. K7 I1 G- _6 d5 C0 [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????