1 Y5 U! G, y N, @$ I: v+ g% T- F * v: V) B* y) \" N% q2.这是request的程序 # G% M5 }7 {2 P' H2 o6 }// Request a value from Extend; q* q" K8 A) l
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// Initialize the variant that will hold the BSTR. Set the variant's 2 R' E& C, z7 z# X# | V4 z// type flag to indicate the fact that this variant holds a BSTR. Place the # }( H4 U; R+ `: B, ^// BSTR into the variant structure.3 |2 B' a% l* a$ w2 x; ~/ U
5 ]! i a' L+ b% @ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); P4 |3 i$ N+ y, A: k( c. N/ K ~' |* o: V+ _/ m9 y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- U' @* l! _$ b" |& k
VariantInit(&requestVariant[0]); - l1 h4 M3 S* ], @
requestVariant[0].vt = VT_BSTR;* E J' c! ]3 O
requestVariant[0].bstrVal = itemStr;3 C/ f0 ]+ L* H3 |2 u
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topicStr = SysAllocString((WCHAR *) L"system"); 1 i- o, v/ J2 Y9 l VariantInit(&requestVariant[1]); % w0 ^- I+ ?4 N) t3 A requestVariant[1].vt = VT_BSTR;1 D* L2 _; t3 W% v
requestVariant[1].bstrVal = topicStr;( `; H! ^1 Q. j. e
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// Set the DISPPARAMS structure that holds the variant." G" E+ C: y: s! z, v& |9 K
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dp2.rgvarg = requestVariant; 6 P$ c7 Y# m3 q/ U dp2.cArgs = 2;- ]8 o. f$ i M% h6 x6 [
dp2.rgdispidNamedArgs = NULL; 5 k- o5 i. s4 f1 G; r) A4 b dp2.cNamedArgs = 0;/ W3 k, R) `! G* s! B: a9 ~: Z
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var.vt = VT_EMPTY; O2 u5 h; T. q9 m& K% d% k8 ]5 H# d# A3 _1 h
// Call IDispatch::Invoke()* r% j! b5 P0 ]$ H- U% A, T3 T3 R
0 M; C7 K7 ~$ I4 j/ c* u. u3 b hr = m_pDisp->Invoke( / Q% W/ E5 V% G) e2 _) { requestID,- c9 ~4 f6 X' R+ G B8 O
IID_NULL, # h6 S- E3 l3 B! D LOCALE_SYSTEM_DEFAULT, + |0 C: F4 {: q' C4 u4 c; y DISPATCH_METHOD,: k# Q2 E6 T$ V; G- C
&dp2,- m% ^! j) [( r$ k' e+ L( T) I
&var,5 C3 m( k" J8 x5 Y! }3 g
&ei, # t/ k9 K! q* |- ` &uiErr);3 v) i( d) z8 w; m/ y
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SysFreeString(topicStr); " @, T* P4 Q5 R5 h7 S( M/ T# S5 m% O SysFreeString(itemStr);; g- j& A" U3 c5 b
请问该程序是获得extend里面的哪个值?, o( U3 j% Q. s ]4 P
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????