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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:
: L; W) m( _3 _4 ~2 L& QName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
5 }8 U1 q' i" C# r5 r IID_NULL, // reserved* j2 C1 q5 c4 a5 j$ w3 |
&Name, // Array of names to get IDs for0 d- C# A! S; b* N4 B
1, // # of names in the array! i. N" p1 j: q
LOCALE_SYSTEM_DEFAULT, // System locale; Z9 i' Z! S7 r8 j4 F
&pokeID); // Array of IDs to fill on output' T) I6 Y( Z% C* |, X5 _
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if (hr)
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MessageBox ("Get Poke Unsuccessful");# ?; R# Y5 a9 ]% I0 j- S6 x
return;8 n. d5 f) n! B. D+ }$ O& M
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/**************************传递数据给extend**************************************/
( d$ w4 t4 O% `! K1 E: J9 X pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
- `9 e3 |- I4 s& P/ Q: L3 ^ VariantInit(&pokeVariant[0]); / |% V# D/ K9 j. S# y" W+ R
pokeVariant[0].vt = VT_BSTR;
, f. D( T' Q4 N+ ^ pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
|* I7 O6 l, W. f VariantInit(&pokeVariant[1]);
5 I0 L5 `! P0 W( I0 T pokeVariant[1].vt = VT_BSTR;" R. g2 g% y7 Y. R
pokeVariant[1].bstrVal = itemStr;) ~1 d2 o0 S- Y2 y
, n4 ?# q' [$ n( M1 L, N topicStr = SysAllocString((WCHAR *) L"system");
& N' v1 B$ u7 k5 L. C/ L VariantInit(&pokeVariant[2]);
2 E* t {/ i+ n+ |! T pokeVariant[2].vt = VT_BSTR;
4 _$ s: l# o7 }6 ^ pokeVariant[2].bstrVal = topicStr;
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1 w+ u) d1 l' ?3 M3 D. g// Set the DISPPARAMS structure that holds the variant.1 ~" l& {1 p0 c, ^$ w) Z; g
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dp.rgvarg = pokeVariant;
$ W- O1 i# ~( V& \7 O dp.cArgs = 3;
# L0 q# Z! x* _4 G; i2 Q- m dp.rgdispidNamedArgs = NULL;
: r1 f7 P0 t& c" R8 a7 H. Z dp.cNamedArgs = 0;! k7 D' Z) b9 T Z3 T4 K
% r6 M1 c$ w- ^$ p5 X$ C8 L// Call IDispatch::Invoke()) q0 F5 R8 Q/ y X; o( `
* x9 Z3 h7 j* H+ U8 D; _ hr = m_pDisp->Invoke(
! ~9 r3 E& O) d' o) K& Q pokeID,
2 K3 T2 i0 R( t. I w IID_NULL,: [2 u1 C2 I( \3 [; U6 E' D, ?1 ^1 R
LOCALE_SYSTEM_DEFAULT,
. t u3 D4 C/ P! [ DISPATCH_METHOD," g, G4 e1 d4 _2 [! h# C+ C$ x3 d* O! z
&dp,. ^7 \' Z( m% X2 Z( ?
NULL,
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&uiErr);+ L/ K5 |3 H( v( B
( R2 G, i* \& x SysFreeString(topicStr);
7 ^! j' S+ x/ x SysFreeString(itemStr);9 Q$ A7 Q; r4 [! T
SysFreeString(valueStr);
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: }$ T. I* n' q# q! `4 l, e: j" n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???
" { A3 K$ J& c W ^8 z6 p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
8 ?" s T) [* ]4 j// Request a value from Extend) F% \; `* T/ F9 p$ t* n
//
. e4 I7 L4 s* x* f3 ?// Initialize the variant that will hold the BSTR. Set the variant's
) |+ l- j1 p+ J, P// type flag to indicate the fact that this variant holds a BSTR. Place the/ N9 T) y; s% N# r6 _& ?
// BSTR into the variant structure.
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- V2 C( E( s+ _% z1 [. C6 a requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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s7 I# w) s6 z2 `% g3 W itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 z6 _& {' B: W: f+ J+ b; \ VariantInit(&requestVariant[0]); 9 A% E/ I8 c1 W" @# m- ^
requestVariant[0].vt = VT_BSTR;9 G1 Y4 Z: T) v5 `
requestVariant[0].bstrVal = itemStr;' v" h& n2 _( X* k
) c7 q! q" B! M: b) {0 J! ^ topicStr = SysAllocString((WCHAR *) L"system");
) G1 M/ N* b( K- w. g VariantInit(&requestVariant[1]); . {) h. ^3 l- z. l/ l2 }
requestVariant[1].vt = VT_BSTR;2 ^0 [) E& {* k4 ?9 N
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.$ Z, F9 X9 n$ V; d
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dp2.rgvarg = requestVariant;, Q* _. @. Q& U: c9 {
dp2.cArgs = 2;0 z/ m" {2 B2 {6 h/ H
dp2.rgdispidNamedArgs = NULL;2 Q" }1 r' B2 I9 |3 G
dp2.cNamedArgs = 0;
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) i4 L; o b' F! C var.vt = VT_EMPTY;$ q6 O( j! K( W6 {, }6 R
0 A# f8 Z5 ` e w% w, I/ U// Call IDispatch::Invoke()
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0 f2 `7 h l2 C% v hr = m_pDisp->Invoke(
5 i7 `( f4 F) e5 A# ? requestID,
' U0 P+ n ]* k- [ S IID_NULL,
3 j, a" t$ i) k LOCALE_SYSTEM_DEFAULT,
, U, D6 c( k+ L DISPATCH_METHOD,
) m. u1 k) {4 C8 B1 H0 ~ &dp2,/ F& n* F) W! [
&var,
, F. B2 K! m( \ &ei,5 D/ s P2 r9 @
&uiErr);% ]( |4 |# g S0 O
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SysFreeString(topicStr);* K- R L9 o' ~
SysFreeString(itemStr);
1 Y6 f2 W: h2 O8 C% V" C请问该程序是获得extend里面的哪个值?
* m0 n; w1 M5 F, P9 ]* n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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