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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: l3 G+ k; }% l
Name = (WCHAR *) L"Poke";
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7 d* {) G* r( ?& V( y# a% f$ u4 ` h hr = m_pDisp->GetIDsOfNames (. U5 _: O: t/ t4 t, L8 [; _
IID_NULL, // reserved
- b" ]/ v @3 g% N$ c+ W0 R9 c+ Y &Name, // Array of names to get IDs for
" y8 x% R; ?: m- g 1, // # of names in the array* T5 j4 G9 c, W t. ~
LOCALE_SYSTEM_DEFAULT, // System locale3 Y( C, j4 v5 J% b0 ^
&pokeID); // Array of IDs to fill on output' X! D0 f% B1 X- r7 Z; X
: V% m# t; t% }" f- E" Y" y: n# v if (hr)/ i* B* _5 E2 Y7 O4 g: u
{- g* p4 ]$ r$ S; a* N
MessageBox ("Get Poke Unsuccessful");
4 ~! c) \0 w Y; M: C6 M" Q return;' Y6 V) B* p2 C& O6 |
}
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/**************************传递数据给extend**************************************/( n S. [% p b) M4 w& I, K
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);+ _5 j# m* z" b
2 Z" {, ~! ]& v3 O$ }# z valueStr = SysAllocString((WCHAR *) L"1232");
. i1 U6 F/ Q- J. ^/ A/ S VariantInit(&pokeVariant[0]); " }- X6 f* i+ d% q# V
pokeVariant[0].vt = VT_BSTR;
" G- h7 L1 M; R1 n0 ^, Q/ s4 \ pokeVariant[0].bstrVal = valueStr;8 u0 l9 c. I8 e$ g( y
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% n$ r; J q$ @) P. _( i
VariantInit(&pokeVariant[1]); ( g( `7 s8 N, t' e" Y# |, r
pokeVariant[1].vt = VT_BSTR;
) k6 ^8 u0 e, C$ T: ] pokeVariant[1].bstrVal = itemStr;. Y& G: m1 X8 x3 T7 ~
8 E, k6 W. E! K+ `' h6 N topicStr = SysAllocString((WCHAR *) L"system");7 u: X D, o; }7 A
VariantInit(&pokeVariant[2]); ]: z; x# z, G" C8 ^& X5 J, D
pokeVariant[2].vt = VT_BSTR;
/ ^- Z) c. j3 M: U# g pokeVariant[2].bstrVal = topicStr;6 f! ~: @8 W/ E2 R3 O3 D
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// Set the DISPPARAMS structure that holds the variant.$ P6 I) H6 l3 ^2 _4 x
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dp.rgvarg = pokeVariant;+ x1 j: q3 X+ J& H* j
dp.cArgs = 3;
8 Z$ d1 h u7 a! i, m- c3 Q dp.rgdispidNamedArgs = NULL;
: g- c& d+ I K3 M6 O7 q: V) P dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()+ k3 O7 E& Z# y) V1 F
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hr = m_pDisp->Invoke(2 d+ Q: L l* Q8 O* O0 x
pokeID,
9 d8 E* J% b8 X. {; l IID_NULL,' N: q/ C2 i# d
LOCALE_SYSTEM_DEFAULT,
- [& q6 B. k' q DISPATCH_METHOD,5 u8 J7 t7 C# t; ^# O& f( c
&dp,$ Z9 B3 a& M9 `
NULL,
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&uiErr);
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SysFreeString(topicStr);
( Z% v. }* I" N; F2 M/ i SysFreeString(itemStr);
8 o5 ]- z4 G8 t! Q; ~$ ?$ S SysFreeString(valueStr);+ C+ {* y4 J$ p, w. [8 t/ W
8 k5 j$ K! w9 E: r. v! x8 u
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???8 k! T, s' q3 K3 N3 W
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????, g9 _: L. B7 h9 U
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& J& N! M- t# e/ ~( R2.这是request的程序 w7 Q1 W C0 X. e' ]
// Request a value from Extend$ L9 }' e* p5 s5 ]
//
7 c1 [. l- _ l8 P2 ~* j H// Initialize the variant that will hold the BSTR. Set the variant's& X1 O: L- G0 p; w4 y1 B7 {; E
// type flag to indicate the fact that this variant holds a BSTR. Place the
7 ~7 Q5 u, Z" \// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 x1 E, i) } A1 D: ^. C
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 P& i; u" v1 Q6 W8 o
VariantInit(&requestVariant[0]); 4 {) ^: N9 u- I' P1 v" s
requestVariant[0].vt = VT_BSTR;
" e4 m4 k- [$ U! |3 u/ ? requestVariant[0].bstrVal = itemStr;
. `9 O) _ p- \% {
+ D9 U& J# J+ `7 {) O& ? topicStr = SysAllocString((WCHAR *) L"system");
f2 V0 d- B6 N# I1 j, n x VariantInit(&requestVariant[1]);
# k7 r. h, m2 l+ D5 B requestVariant[1].vt = VT_BSTR;
& F& n# q" ~. l: C requestVariant[1].bstrVal = topicStr;8 j7 k8 o1 W$ [8 j" G
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;4 O6 J( M* D# G3 ^0 @# r* w
dp2.cArgs = 2;% g% F! K9 y: f' m9 H
dp2.rgdispidNamedArgs = NULL;
& E( M, I' S. X) n$ Y dp2.cNamedArgs = 0;
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: P0 g0 m5 I5 L var.vt = VT_EMPTY;1 S3 O! ?6 I% [7 `5 h
8 S% P! D; N' q c H, o" Q// Call IDispatch::Invoke()
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- S9 `" X* i$ B$ O- L, n hr = m_pDisp->Invoke(
% w# A: \, B* D" k+ Q9 G# y requestID,% T7 v0 @0 A: C, h
IID_NULL,
4 c' }- F$ J7 N$ h: W' z LOCALE_SYSTEM_DEFAULT,
4 Y& c0 ]" e0 ` DISPATCH_METHOD,$ i' K2 {+ x2 ^/ ^ S, {
&dp2,
3 a9 `+ G; H. H8 P7 y5 k) C' Y &var,
7 R' L' V9 q* I4 B) o3 `, v &ei,
% J- g. u7 P8 B& `) ?6 v &uiErr);
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SysFreeString(topicStr);0 a# j" P0 S3 @ L! N5 W" B' J$ x
SysFreeString(itemStr);( k# p( h6 `3 n) n# I# U
请问该程序是获得extend里面的哪个值?
" n" r$ \0 j2 a6 a0 U5 V( D/ w! J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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