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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:
* }1 [/ n; `" @1 v8 tName = (WCHAR *) L"Poke";. A+ o$ C! l- w5 P: p
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hr = m_pDisp->GetIDsOfNames (, V- O" z0 R" q5 F- B
IID_NULL, // reserved
* }2 B$ T: }& E, R, Z &Name, // Array of names to get IDs for
( X2 h, U3 z, D# A$ x8 Y 1, // # of names in the array
& F9 I( S* q/ M2 m* j LOCALE_SYSTEM_DEFAULT, // System locale3 J2 C+ _: U, A1 y
&pokeID); // Array of IDs to fill on output6 g' ^ [1 j* T& d5 V
: Y. `) {$ x* J/ C; o$ W3 v if (hr)
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MessageBox ("Get Poke Unsuccessful");4 w, O- e, ~. q* l% _2 F* |
return;
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/**************************传递数据给extend**************************************/' h) g( i1 a" k
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. U, y/ E& M% Z" H. t
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valueStr = SysAllocString((WCHAR *) L"1232");
8 G0 n( q' z% i5 G9 x- P VariantInit(&pokeVariant[0]); * s. p/ {$ t1 \2 s0 P
pokeVariant[0].vt = VT_BSTR;8 x4 [& E# M8 a1 s" q
pokeVariant[0].bstrVal = valueStr;) W2 ?6 T" w( z$ q* j% `
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% g* k5 c- j3 _7 C9 u* T
VariantInit(&pokeVariant[1]);
# g& C8 B4 n# m3 m# u* o pokeVariant[1].vt = VT_BSTR;
2 A) ~( b% t; k1 ? pokeVariant[1].bstrVal = itemStr;" y; d4 ]1 D$ d k4 g* k
6 x/ }( \9 z$ C# p! J9 F topicStr = SysAllocString((WCHAR *) L"system");
) F+ X1 {% o }- f& I: u) ] VariantInit(&pokeVariant[2]);
4 J6 u1 j! I3 n; v+ w! x8 u pokeVariant[2].vt = VT_BSTR;! k- q9 |# @2 @+ I. C! z
pokeVariant[2].bstrVal = topicStr;
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/ Y5 U6 w; {! {1 {9 N& i! D1 ~// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;/ b# r b5 B, ?. _1 u
dp.cArgs = 3;. J$ {) |3 _* G6 [' a9 u
dp.rgdispidNamedArgs = NULL;
* \ ~! n7 c0 V, U dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()+ u" Q) C; I) C$ G
' e0 ^& z* L( ~' {0 g2 Q+ i, |2 M hr = m_pDisp->Invoke(
& I* u7 u& b; [. D0 K* B* S" n8 P' _ pokeID,
+ E' J7 E, ]$ U( A8 r IID_NULL,% O8 W' F% x/ F* h4 \/ i
LOCALE_SYSTEM_DEFAULT,
0 s p7 {( |: b' Y. }- B DISPATCH_METHOD,3 b: o; r( U& ?9 d% d
&dp,
2 T2 z0 G/ T( T, x NULL,
9 Y6 Q( [- ]" g& w( H- [ &ei,
/ Z- k( p9 b* _ o, n0 P &uiErr);. N/ B/ ?7 J% s$ p* [7 d
. o) a% t- v: P SysFreeString(topicStr);
! f, T" U0 S4 M* b+ Q SysFreeString(itemStr);
; ~! \! q; l5 D Z! u0 W' ~' e& S SysFreeString(valueStr);
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4 _! N; d' p; S' H/ d8 d- Z: e6 C! V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???! N) n3 N$ h r, [7 F0 \
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
3 N. L8 C+ y: y+ {, n3 k! t: E4 l// Request a value from Extend' x7 [/ s% K$ M" b! B S
//& U! W9 s. Y0 r) A d4 V- g
// Initialize the variant that will hold the BSTR. Set the variant's1 X7 B# f2 S& T
// type flag to indicate the fact that this variant holds a BSTR. Place the
) H4 `* i2 Q7 L# u; n// BSTR into the variant structure., _4 H! x0 P6 ^( k9 c
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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# m" u. h3 t$ x itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" H: x) w% |, W; [; I VariantInit(&requestVariant[0]); - ^& @* I7 m" b$ U% y
requestVariant[0].vt = VT_BSTR;1 Z% D5 o" C5 B ^4 Q7 d
requestVariant[0].bstrVal = itemStr;& Q1 w- `0 p: z, i( ]- A. Q
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topicStr = SysAllocString((WCHAR *) L"system");
) F: Z5 ?* ^2 ~3 s3 _* F VariantInit(&requestVariant[1]); . y3 [* t2 r2 ?
requestVariant[1].vt = VT_BSTR;9 ?2 N" K; O' e, R q0 t2 R
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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1 [) E9 \7 h. s7 }& Z( _% b dp2.rgvarg = requestVariant;
# P p ~% ~( B8 q5 H0 f4 a dp2.cArgs = 2;
( { v$ L0 F8 u7 ^- @8 L dp2.rgdispidNamedArgs = NULL;
* g4 }. X \* a% u( R dp2.cNamedArgs = 0;
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. b3 v, G+ {0 y D8 b! C var.vt = VT_EMPTY;
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0 |% G9 v# @ ~9 X8 {// Call IDispatch::Invoke()- O( U. g P& s* v
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hr = m_pDisp->Invoke(% x/ K" V. j! Q1 j$ r) Y
requestID,
! v2 P' g$ H, }0 E& D, y) R$ t IID_NULL,* _ ~- ~% }2 z7 `) E* ^
LOCALE_SYSTEM_DEFAULT,( h% N+ k, i: R6 Q9 ~( e$ a+ t4 w
DISPATCH_METHOD,
, q5 T: M. U& z: T# t4 g &dp2,
4 W5 B6 M u+ w, ?+ f# t' m8 X5 J &var,
; [* l3 D: t- K &ei,
$ A) C d7 l9 w &uiErr);+ D$ |% \5 X/ E B- B
" Y* j- E$ o4 T3 |4 J8 ] SysFreeString(topicStr);
8 ]1 a g$ |( d3 i SysFreeString(itemStr);
( b7 k- j# O5 q9 T! i" s请问该程序是获得extend里面的哪个值?1 ?+ q: L+ S5 W1 N: U* 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???? |
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