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5仿真币
我现在用c++编写了一个程序,希望能够和extend交换数据,以及自动对extend进行一些操作。我参阅了例子里的关于OLE AUTOMATION方面的c++程序,但搞得不是很懂。比如说,c++程序向extend发送一个数据:
! h, |7 W6 z7 yName = (WCHAR *) L"Poke";
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- y0 @: C! C7 N; ^$ G" l/ ? hr = m_pDisp->GetIDsOfNames (1 A& l# ^3 I& S: a. k( G4 |4 ~
IID_NULL, // reserved
% H- ?* z; D1 b% M! u4 } &Name, // Array of names to get IDs for
: C: C! N0 I/ y1 N 1, // # of names in the array p' N: i! j9 o c7 k
LOCALE_SYSTEM_DEFAULT, // System locale% R& X, t& x* `% c3 o/ \
&pokeID); // Array of IDs to fill on output
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) Z7 v& d- Q1 O2 Q7 ^' z if (hr)
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# _: }+ B: y) Q) o5 M& p, Y* V! O MessageBox ("Get Poke Unsuccessful");8 _& p4 v. E- p, U; E% d+ h7 U
return;
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2 ^) b6 A {( n! @% J0 B/**************************传递数据给extend**************************************/
7 y: z1 t7 A0 H$ {* W pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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; ]& H' S& D. t: A+ r1 D valueStr = SysAllocString((WCHAR *) L"1232");
8 N: g1 W6 i- Z* H4 {5 r% { VariantInit(&pokeVariant[0]); & T% k" P7 s2 V, q+ q
pokeVariant[0].vt = VT_BSTR;
# ^ }, v% |$ ~. z* B; @4 m pokeVariant[0].bstrVal = valueStr;
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6 l! [7 h9 h; f' M- N# R! c, S/ ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 u8 L& w0 h; B
VariantInit(&pokeVariant[1]);
' o! K' |' h' T pokeVariant[1].vt = VT_BSTR;
- K( g. l# [/ i pokeVariant[1].bstrVal = itemStr;2 @! W$ S7 q8 P% i# W" e
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topicStr = SysAllocString((WCHAR *) L"system");
1 S! V- H! _3 F% i* c) V R6 m VariantInit(&pokeVariant[2]); + k4 E$ Y+ c, I; o- v" I
pokeVariant[2].vt = VT_BSTR;5 a2 r. \, G$ o) Y5 \ e3 l; H' Q; A
pokeVariant[2].bstrVal = topicStr; ^$ A9 e( F& A. p1 d
. }$ b6 I, m( q// Set the DISPPARAMS structure that holds the variant.! g+ D7 l/ M8 B% n( f0 W! V
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dp.rgvarg = pokeVariant;
' _7 I# p: o5 D dp.cArgs = 3;/ V! }0 D5 G8 t- X3 a" Q I
dp.rgdispidNamedArgs = NULL;* X6 c, V+ l. T( t, G+ k
dp.cNamedArgs = 0;* _1 k3 R3 T q
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// Call IDispatch::Invoke()0 B; b8 `5 g, R- w8 Z
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hr = m_pDisp->Invoke(# v7 V5 a; O2 @1 ~1 A w2 z0 G
pokeID, g \3 z8 A& P+ _6 ?
IID_NULL,8 j& E, t* j7 H* C3 \2 x
LOCALE_SYSTEM_DEFAULT,
1 \ I* @* {+ A- V DISPATCH_METHOD,* R1 X8 N8 P. w6 |+ b1 u
&dp,8 e7 u3 P2 a6 e2 u' u- E6 g
NULL,
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&uiErr);, ^9 ?. R- E4 [
; E0 i/ X* ]0 \ SysFreeString(topicStr);
) K! x, Z9 w/ |+ T4 u9 j/ W SysFreeString(itemStr);( g+ T7 u; ~/ u6 S+ R8 s, q W6 ~
SysFreeString(valueStr);
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7 @, S% k' \9 c' e- t现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据???; h4 q% t) E, t/ D [& K
此外我希望将这个数据赋给extend程序里面的一个变量,请问如何实现????
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2.这是request的程序
+ @2 a% f2 p$ z( B$ V! R// Request a value from Extend8 a) K5 \' R0 `/ w
//% z% t" I5 W7 X' Z
// Initialize the variant that will hold the BSTR. Set the variant's
( x; K6 U( I( P$ @: |4 O; f// type flag to indicate the fact that this variant holds a BSTR. Place the4 ]3 @! t& {* B! c7 A0 f) i
// BSTR into the variant structure.( E' V; C) ?* K( _3 B& s, Y
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);% n: X* O5 {1 _& I/ l* K$ l. N* }
2 B& ]8 y, D; k& W$ s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 _ T' Z& q' d! f- ? VariantInit(&requestVariant[0]);
- P( l$ e5 O9 }2 ?0 z4 @ requestVariant[0].vt = VT_BSTR;1 _3 ` F' s- F3 d: Q. T
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
4 p- G2 h+ f5 ?2 H( {* G9 } VariantInit(&requestVariant[1]); # m' I. E0 o: o( M8 I( ` S K5 B
requestVariant[1].vt = VT_BSTR;; V u' a% o0 w
requestVariant[1].bstrVal = topicStr;
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/ x7 u3 i9 U$ o+ u// Set the DISPPARAMS structure that holds the variant.2 o$ p0 |, a W) T' b6 P
% H# P% c' r& U- m9 y# l dp2.rgvarg = requestVariant;6 j7 Z( b9 R. T) ?7 z2 W
dp2.cArgs = 2;/ Y% m" ?, i$ X
dp2.rgdispidNamedArgs = NULL;7 V; F. c: H7 J o) ^. n7 u7 p
dp2.cNamedArgs = 0;4 S# |; E, x5 e4 R% Y
( C+ u4 @0 m1 _' z) A) M9 B* C var.vt = VT_EMPTY;/ r& Y. c5 m/ U- c9 i
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// Call IDispatch::Invoke(), u+ Y2 A- D& \0 W3 l3 `2 Q
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hr = m_pDisp->Invoke(1 V" f4 ^/ h) v* B) O7 o
requestID,( o5 g5 K4 y H" ~% \9 Z
IID_NULL,: J3 v! Z4 } w" }( w, w. b
LOCALE_SYSTEM_DEFAULT,
& q8 W y6 a( H" h* O DISPATCH_METHOD,& t5 ]2 }) N) f, O; U
&dp2,
8 o* |+ f# u3 L* h7 V a &var,
1 \ Z% k- N* S6 ^0 C- c. d &ei,7 T y" W# U% Q; ]* i( l
&uiErr);7 m9 k" L" G ?2 H2 W0 s& F& u$ e
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SysFreeString(topicStr);+ d0 \/ u5 t4 O( y% G9 Q5 O/ Z; b
SysFreeString(itemStr);' }8 |: z+ [$ g: P2 ]
请问该程序是获得extend里面的哪个值?3 ^: A$ y; M7 Z5 ^- B( [
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???? |
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