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:8 C3 e$ ^, `% L. I$ M; i- p2 N
Name = (WCHAR *) L"Poke";
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6 o* _& y' {$ U3 \+ x hr = m_pDisp->GetIDsOfNames (
& l" K( g; O5 J' c w IID_NULL, // reserved
9 [% v4 x. _ q; }- A8 C &Name, // Array of names to get IDs for, i9 L# b( C) b7 c/ q; W
1, // # of names in the array
- U% k' K% ^& u3 Y LOCALE_SYSTEM_DEFAULT, // System locale
! K6 n I0 _) ] &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");, j. l& l0 _* k6 C E
return;
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/**************************传递数据给extend**************************************/% a- [. P4 ~$ j
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 e3 e. C, A) e; ~- ]2 M$ ^# d
q) u v. n# ?, R9 ?2 |8 b1 ?; F valueStr = SysAllocString((WCHAR *) L"1232");
+ X3 z. M; U+ _' y1 r1 b9 O. |+ ^ VariantInit(&pokeVariant[0]);
; U4 L- u0 {; S* g7 z2 ~# Z( }2 b pokeVariant[0].vt = VT_BSTR;
" `) s( |) @' ?8 ^/ ] pokeVariant[0].bstrVal = valueStr;4 S; L8 V& C8 \2 h: e1 d0 J
4 B: {( P6 | @9 _$ P) ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% Z/ _! ^; D- L& G" g$ y6 i) P VariantInit(&pokeVariant[1]);
) h8 O+ v# N/ y. Z8 S pokeVariant[1].vt = VT_BSTR;( [% B+ k: r' s7 d4 W% K
pokeVariant[1].bstrVal = itemStr;
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0 O3 ^* w0 J: O! `, p topicStr = SysAllocString((WCHAR *) L"system");3 ]1 j4 X1 W/ o. p% ~- L; U& j
VariantInit(&pokeVariant[2]); $ C T, d7 w: T% G: R
pokeVariant[2].vt = VT_BSTR;
7 i& L: j5 U* X5 @' W' s1 h3 ] pokeVariant[2].bstrVal = topicStr;2 Y7 |; Y1 i9 C$ P% n% h% p
0 z3 E% J% I7 p" [% O+ Q% S // Set the DISPPARAMS structure that holds the variant.
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& X1 r9 o0 b; T. z5 G dp.rgvarg = pokeVariant;
+ ~2 s( B( B" s. l) z" p% \ dp.cArgs = 3;7 d1 I5 d. n1 h# H1 y; Q
dp.rgdispidNamedArgs = NULL;; y: j$ r" `! F. _" f+ i
dp.cNamedArgs = 0;+ g" S! v8 |! M4 |1 d
: L! d, K: |. z8 V9 d( K: A" n- z // Call IDispatch::Invoke()) I# `; b# h6 _2 h; j0 F ]
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hr = m_pDisp->Invoke() N3 e4 E+ T7 E6 ~3 W
pokeID,; s( c5 r: n4 k; w$ M
IID_NULL,. a2 H' `8 j( H% T" m
LOCALE_SYSTEM_DEFAULT,
) Q& g) _. [% W5 v; I DISPATCH_METHOD,
) Z. k8 e1 r- y: G( b3 K9 o &dp,' J* Q7 a! [' ~. E% k* f2 L
NULL,
+ a- ?$ U# h! \/ d) g4 H &ei,/ B; ?; q/ ], b: S+ [9 q/ ~2 R& M
&uiErr);
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- W4 E3 ?! k) ~1 _$ b7 q6 p SysFreeString(topicStr);
m1 |" V) L) o) P# j SysFreeString(itemStr);
7 |) u: R2 x3 C% P! S" V SysFreeString(valueStr);
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2 `1 h$ Y9 i5 I f6 l' @ 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???
9 c9 r7 ^' L5 ?' l9 n 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????0 Y. y1 d! s% Q; L
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2.这是request的程序
2 z; N; O6 w* h2 S0 }) L. r2 _ // Request a value from Extend- `+ _2 g$ a8 r
//
2 ~+ q" l; `. ~3 \0 u8 } // Initialize the variant that will hold the BSTR. Set the variant's& y" [ w" H9 O( p4 l
// type flag to indicate the fact that this variant holds a BSTR. Place the. t4 b$ O$ t4 ?' Y' ^5 }
// BSTR into the variant structure.
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8 h! y2 P9 \( t. f requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( G/ L* |0 Q! X4 W
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 P. F. A1 [. z" U/ M3 W3 g VariantInit(&requestVariant[0]); * j- w; P$ V! G, O) v9 E! l/ ?
requestVariant[0].vt = VT_BSTR;
) p* y0 Y: I1 a( O6 n" E( M requestVariant[0].bstrVal = itemStr;4 d# S9 n' u* U7 p2 N
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topicStr = SysAllocString((WCHAR *) L"system");3 W- M5 ~9 i9 l S- }' `
VariantInit(&requestVariant[1]); . a5 o* Q& l6 ~$ B' Q% i
requestVariant[1].vt = VT_BSTR;
- _/ r4 T$ \- A6 |! j requestVariant[1].bstrVal = topicStr;
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8 @, d' Z' [! O$ C' P // Set the DISPPARAMS structure that holds the variant.. w9 i. G% j; h6 x- M; i: r
( B5 l; g4 k- w, z0 V7 h% f T1 A: J dp2.rgvarg = requestVariant;% Y- A+ u6 J( m B
dp2.cArgs = 2;$ ~! \3 [; [" e
dp2.rgdispidNamedArgs = NULL;+ p: G4 V' H/ @" _; o& r! Q& t
dp2.cNamedArgs = 0;
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u4 p' D- }9 X$ \+ M: l% k% f var.vt = VT_EMPTY;7 P x2 W5 x! u9 L
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// Call IDispatch::Invoke()1 ?$ c& v" |. e/ O/ b+ }3 j
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hr = m_pDisp->Invoke(
) }5 V; q2 }# Q9 ^; t requestID,4 k1 q$ A f( u4 d- @, m# K: ]
IID_NULL,
4 W& `# t. [; W LOCALE_SYSTEM_DEFAULT,! k' ^, g6 `/ n1 u1 b& j, S
DISPATCH_METHOD,1 d; O! P2 {! {
&dp2,: h+ _% D7 S' \
&var,
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&uiErr);
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SysFreeString(topicStr);2 @0 I2 B6 B" n* g' i
SysFreeString(itemStr);
. \8 G E- v% Q: I4 r. W 请问该程序是获得extend里面的哪个值?8 e# P% Q/ \2 N' r+ K- 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????
我来回答