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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:, m8 e/ I+ A( s
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
9 b4 o) w# a! @0 {0 @3 ^' p8 z IID_NULL, // reserved
4 M. X2 s2 `+ {/ |4 v8 M0 ~ &Name, // Array of names to get IDs for
3 L O* u+ p6 N" g8 |2 Y 1, // # of names in the array- x) h+ E% a# S$ s# b
LOCALE_SYSTEM_DEFAULT, // System locale
* I: v+ K5 U1 t& X &pokeID); // Array of IDs to fill on output
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$ y9 r3 }; l0 R# J, c. { if (hr)' M. Y' Y7 }( N' [$ k
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MessageBox ("Get Poke Unsuccessful");, a% o6 L9 o6 f6 y
return;; {- Y% `* x; L4 M% z* Y3 G. x0 }
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/**************************传递数据给extend**************************************/
2 W. ]: b6 n1 c& l4 |* \" j pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
+ Q/ X0 h5 Q9 j& b3 i VariantInit(&pokeVariant[0]); ( I; R$ W5 N* N D* P
pokeVariant[0].vt = VT_BSTR;6 U, I' N# O: h5 ~8 e+ m
pokeVariant[0].bstrVal = valueStr;- g" E$ H( |0 a, K
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ Q+ d; D9 |) h+ N8 X8 S VariantInit(&pokeVariant[1]); / _) U0 |& P6 U) y3 S6 j
pokeVariant[1].vt = VT_BSTR;4 {7 c P! |# I8 [
pokeVariant[1].bstrVal = itemStr;5 P' t! V$ I( W& w) W6 F5 H0 |$ X
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topicStr = SysAllocString((WCHAR *) L"system");
! r q! b& Q" Y, w VariantInit(&pokeVariant[2]);
# i# `/ U0 h/ h1 P7 a; { pokeVariant[2].vt = VT_BSTR;9 P5 ]) `0 g2 E
pokeVariant[2].bstrVal = topicStr;2 }' `$ E$ M! o
- [" q L4 l$ Y4 O* U! i8 u; s// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;- }7 p" J* e* q2 s$ t: X1 L3 M
dp.cArgs = 3;' I1 X# ]- o& V" J2 M5 P
dp.rgdispidNamedArgs = NULL;
. W# k; q: k' {3 r' m# N. O dp.cNamedArgs = 0;# z1 J$ y1 r: `& v+ ]! I
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(" [ f* D. D$ {; z
pokeID, Q4 L b( q5 A9 L: n& j
IID_NULL,
4 ?1 z7 b W' \ LOCALE_SYSTEM_DEFAULT,7 r) W d+ s) H- v* B# t3 h
DISPATCH_METHOD,
$ j% t$ i+ y0 b* h# a M$ A7 a9 j &dp,
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&ei,) w) a b' G2 F$ G
&uiErr);5 F* p' Q( q9 i- K) J/ H
, V( |6 K5 @' X# _6 M SysFreeString(topicStr);
+ k9 e( J- h' A0 P) r SysFreeString(itemStr);
2 [ k/ P: }" W& X SysFreeString(valueStr);9 s' W+ @" \% I* G
: P7 x0 l" o# f3 a4 j- D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???
2 u, l( m3 i# N" I" ~' r8 D% l: x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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& M" N3 v$ _3 Z$ F2 Z R2.这是request的程序& g, K5 k! h! @# o" X4 G: D
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
3 Y/ A) x$ P4 z5 M) H6 ~, d+ T// type flag to indicate the fact that this variant holds a BSTR. Place the. G5 H. T( }* m0 `/ P
// BSTR into the variant structure.
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+ F5 [" D5 v; o+ g( _. v: A" g requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: M+ J9 |1 E* ]9 f7 A. x3 V
VariantInit(&requestVariant[0]); # D$ y. j$ T* o' a5 f- v
requestVariant[0].vt = VT_BSTR;
9 L* r% k- V! ]" W i requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");& ? ^6 G1 u& J- g& j H
VariantInit(&requestVariant[1]); ! Y$ D. X1 a4 O* T+ K6 d
requestVariant[1].vt = VT_BSTR;
5 [, F2 D+ I! Z4 p( N) M6 i6 Y Q5 Z! A requestVariant[1].bstrVal = topicStr;9 A- o. ]; `; \& r$ M- b; x
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// Set the DISPPARAMS structure that holds the variant.$ o; H7 y" E0 k. d! k4 H3 f
% g2 l2 P+ f) L' U6 P dp2.rgvarg = requestVariant;( }$ g( ] z% }/ z& V( r
dp2.cArgs = 2;
p: J% I0 Z* W2 N. w dp2.rgdispidNamedArgs = NULL;1 d4 L& K8 ^* l8 a7 D
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
4 _$ u8 g, y; C: f8 ?/ [, f requestID,
0 s2 D( j, ~; p( j" v IID_NULL,
# ?- p/ V3 `5 k) p6 F' i LOCALE_SYSTEM_DEFAULT,4 c2 i3 P7 @7 ]
DISPATCH_METHOD,
# D* r J- |1 ]8 S- k# k4 G. k &dp2,8 {/ P! }1 w# w6 L2 N
&var,% u* s1 X6 `) G+ u
&ei,
4 P* I( a" Z; E2 S7 e6 l- Y &uiErr);
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SysFreeString(topicStr);
$ k9 ^# _4 M( Q9 ` SysFreeString(itemStr);
) y6 [9 P* v9 @9 E& W# a0 O; r% g请问该程序是获得extend里面的哪个值?
7 N; R( W1 ?" ]0 d# F# L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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