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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: G5 x. `4 ?6 s4 k+ O+ x
Name = (WCHAR *) L"Poke";
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$ L& o* A# M- }* D8 n hr = m_pDisp->GetIDsOfNames (1 j% ]1 _5 e( s. M. a
IID_NULL, // reserved; @ s8 Q' {: T8 C0 _' b
&Name, // Array of names to get IDs for3 Z/ W" |* |. r9 p; V
1, // # of names in the array
3 V/ h2 K, E: D: L LOCALE_SYSTEM_DEFAULT, // System locale7 y- V w F0 d" I6 `2 x
&pokeID); // Array of IDs to fill on output
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1 ^0 q) E$ l# E* Q if (hr)
1 P A; p/ G! u) q5 q2 K/ R {
( _% e% I$ z! w4 n MessageBox ("Get Poke Unsuccessful");
) }5 c$ P8 F9 ~% T A: v0 V return;
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/**************************传递数据给extend**************************************/* s7 R# E5 E! N2 J
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232"); s* `7 A6 l, y- Z& Y; `! W' X
VariantInit(&pokeVariant[0]);
. g$ T0 d# s& z; ?8 Y pokeVariant[0].vt = VT_BSTR;
( O: @: }! h# u# `: }6 G$ D# R& P7 l pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
?! \! q9 {9 W2 k9 G% S VariantInit(&pokeVariant[1]); . |' j. S8 T1 t4 _3 B- P
pokeVariant[1].vt = VT_BSTR;6 S, b* `2 Q6 a) B% Y
pokeVariant[1].bstrVal = itemStr;
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1 _& v- [0 U6 s0 V7 U topicStr = SysAllocString((WCHAR *) L"system");
, a o* U4 p* a [3 N( p VariantInit(&pokeVariant[2]); 0 W# f5 W' u5 ]* Y' x) D, ^
pokeVariant[2].vt = VT_BSTR;; }9 i K- \% W) \# ` B
pokeVariant[2].bstrVal = topicStr;6 S2 r! I0 M/ U: o- F
3 M0 k# g' w7 D5 M* A4 U( v. K1 V// Set the DISPPARAMS structure that holds the variant.( f; n, R7 m, F7 ~
* d# }" O b, f+ {' x% d0 f0 \ dp.rgvarg = pokeVariant;3 c1 }7 s6 s! Q* @( T
dp.cArgs = 3;
: k- {5 ~6 r% a* k7 y* C: \ dp.rgdispidNamedArgs = NULL;% ^* w! ]4 }2 l6 V8 v- P
dp.cNamedArgs = 0;
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; J& M6 S7 l3 x$ S// Call IDispatch::Invoke()* n: Z6 ^: b! g) ~3 z3 E
+ R4 r" b. h" P$ G hr = m_pDisp->Invoke(
) w, X9 f/ v6 u$ M6 v# c/ z pokeID,
# P8 w' z7 ?- v IID_NULL,
" q# ]1 v- L: p/ P2 q LOCALE_SYSTEM_DEFAULT,' l. ^& m$ A, U3 [$ e1 W, f ~9 u
DISPATCH_METHOD,
/ ~: n7 t- t$ I& W4 j" O, W' n5 `( M &dp,
9 Q* A* C3 Q- i& b7 V8 \6 @5 [; \ NULL,( ~' L/ T: K' F* I- d
&ei,
1 ]. | Y: [$ D2 }% _: h; m &uiErr);1 A8 `* `& w c3 f
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SysFreeString(topicStr);3 \# i$ B; L& h- R& p
SysFreeString(itemStr);
; N8 [8 X o. x/ a0 u. Q6 X SysFreeString(valueStr);2 I7 \( ^) m+ l/ t/ x' d" i
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现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据???- P; t; [! P: K/ k% Q
此外我希望将这个数据赋给extend程序里面的一个变量,请问如何实现????
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8 M2 x) Q% ^" z9 x8 b1 T+ `2.这是request的程序
# u/ C: f+ s& Z8 @& K// Request a value from Extend
2 c' ~' Y( K7 v, e! \: K) h//
* [) Z! r* \$ y, Q// Initialize the variant that will hold the BSTR. Set the variant's, u' i2 E' x5 o4 u4 Z% a: r( X
// type flag to indicate the fact that this variant holds a BSTR. Place the
- a+ u9 q4 F2 W. e+ E+ ^4 h// BSTR into the variant structure.' V6 w) `5 y% m) x
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 Z- y; M9 Z% A. n VariantInit(&requestVariant[0]); 9 t1 ~/ F/ Z+ `& ?7 C8 K5 g
requestVariant[0].vt = VT_BSTR;+ w# H8 l5 p. c( N( \) w+ l
requestVariant[0].bstrVal = itemStr;, b5 f7 c8 y: J* W' C
2 {% r4 D9 b; y. ?% A [ topicStr = SysAllocString((WCHAR *) L"system");+ L$ A/ V) Y) q% j& x% o
VariantInit(&requestVariant[1]);
. Z: j2 b& I0 M, F; ~ requestVariant[1].vt = VT_BSTR;
1 z/ F/ A2 E! N+ A$ L2 _7 _6 y requestVariant[1].bstrVal = topicStr;
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, m: Y( W7 P2 m& A9 H) o6 d// Set the DISPPARAMS structure that holds the variant.
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. \" _* d/ X2 t! }- j* f dp2.rgvarg = requestVariant;
' i! j- G# g. U+ ~8 s5 b dp2.cArgs = 2;
! R2 C- G, ^+ P7 o7 q5 D0 | dp2.rgdispidNamedArgs = NULL;, S" Z, |, u# f7 Z" N9 d
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;2 b; ~1 c, Q" s; t
1 z9 x7 o5 n+ D B; L$ L" s// Call IDispatch::Invoke() M3 d- [0 z2 L' A- l$ x! w
1 W: i$ E1 d Y' k& l hr = m_pDisp->Invoke(
) K3 h1 |, b" d requestID,
- w+ X, X$ |5 _4 h/ Y, z IID_NULL,6 g" [/ `' D6 E/ z0 o
LOCALE_SYSTEM_DEFAULT,- D* X; N+ y% }6 v: _/ z. l
DISPATCH_METHOD,
7 C4 a% W B$ N9 n: x. B2 h3 Y &dp2,
7 i& E! t" o4 @ &var,
+ T }8 {; q& ?- }+ n &ei,$ u* A1 B% l% V, I! Q3 D
&uiErr);
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5 x4 W2 O8 i! k1 ] SysFreeString(topicStr);
! S4 s7 J8 U1 { SysFreeString(itemStr);8 D2 q' u" P( h# S& O% a
请问该程序是获得extend里面的哪个值?4 k; |# m- S- L; }2 J- G0 [. V8 t" W
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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