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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:. d9 l8 d3 ]; g5 h! ]' u
Name = (WCHAR *) L"Poke";
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9 k+ N0 ^& S, e. |* v: r o hr = m_pDisp->GetIDsOfNames (
( J! a$ A! V& F IID_NULL, // reserved
0 g3 J8 H$ r: ]" H &Name, // Array of names to get IDs for4 i& {5 Z% W) r( R5 {) K+ h
1, // # of names in the array) o1 L- n7 P( |+ B
LOCALE_SYSTEM_DEFAULT, // System locale& m9 {9 ^2 W& `: \" J
&pokeID); // Array of IDs to fill on output3 J8 R. P& j' z
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
# v& ]7 x8 j( e R3 V$ g5 N return;
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, {6 d7 j' X7 i( \" H$ Q e/**************************传递数据给extend**************************************/
3 G( C2 v! P3 W5 m pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 E; Y: c. i4 [
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valueStr = SysAllocString((WCHAR *) L"1232");
* _- |& z, [: E' Q4 f VariantInit(&pokeVariant[0]); / Q; [& H+ M$ O8 o
pokeVariant[0].vt = VT_BSTR;
$ O; `, D% k, J$ ^* u q- k* I pokeVariant[0].bstrVal = valueStr;' G& V: ^4 @9 a# p6 N ]8 ~6 t
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, a! t q& {6 h1 x l! x& d9 l VariantInit(&pokeVariant[1]); / G4 j, u3 S2 c! s" _
pokeVariant[1].vt = VT_BSTR;
1 P4 E. f2 s: d7 M( W pokeVariant[1].bstrVal = itemStr;* ?' l! ^: V& f. s
3 v8 d" O8 e3 }) g topicStr = SysAllocString((WCHAR *) L"system");
* b. G+ ^0 n4 y7 Q& }0 m' ^ VariantInit(&pokeVariant[2]); 5 w/ w3 \6 N1 S% {
pokeVariant[2].vt = VT_BSTR;
- w* o3 ?( J3 p: W; C8 r2 H pokeVariant[2].bstrVal = topicStr;, r: E4 V5 p5 A7 D0 T) M
% I4 }8 X4 H% b5 y% ~( M" F/ S// Set the DISPPARAMS structure that holds the variant.2 J4 O+ T! n+ U3 P$ r3 Q
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dp.rgvarg = pokeVariant;: F6 K6 x, f3 v! P, \+ |
dp.cArgs = 3;4 u& U- O) Y/ q) q/ r3 N
dp.rgdispidNamedArgs = NULL;# z1 H# X' |' u! x
dp.cNamedArgs = 0;: N2 o) m L8 @9 x3 q1 R8 N
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// Call IDispatch::Invoke()0 d) D+ w3 H/ H3 j
4 a7 ~# @* ]: w5 j hr = m_pDisp->Invoke(
: ]) }1 e) G0 m1 ~3 A pokeID,$ m f1 [9 j+ G% [ {$ d* a: F
IID_NULL,
- [) [/ x# b2 M LOCALE_SYSTEM_DEFAULT,
& k( z0 Q2 P4 J: ~: C DISPATCH_METHOD,
0 m! c F/ K1 E. F &dp, ]; W: j1 a# K2 `
NULL,
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&uiErr);
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SysFreeString(topicStr);* n- l3 Z4 p, U2 d% v
SysFreeString(itemStr);
9 O9 E; I1 m l. K7 V SysFreeString(valueStr);: e3 N3 X. b4 N* K0 [# l
6 F1 w9 H9 i1 p# }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???
1 q8 g& }! ^/ J* `# G9 L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????1 k& P. N. l" s- r" c
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2.这是request的程序
1 Y) L) Z$ e; ]9 ~// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's" @! U: p1 |4 g! n: j& Y
// type flag to indicate the fact that this variant holds a BSTR. Place the
0 ?* Q) n7 a' {9 c6 K. I! V// BSTR into the variant structure.! ~6 f u6 L+ C% h3 `. A
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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4 ]; l+ p( r" e& ^' E itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 E, }! ?3 }5 V/ x
VariantInit(&requestVariant[0]); - [/ j, i# I$ Q! l! B- G+ c4 \; B! J
requestVariant[0].vt = VT_BSTR;* i+ E2 Y: K. J; ]2 Y
requestVariant[0].bstrVal = itemStr;& a8 I5 S5 U! A9 @2 r* a% `+ f
d/ ]9 ?0 \- I5 d* k
topicStr = SysAllocString((WCHAR *) L"system");
1 w# H' @3 T0 h8 t; o. p+ R VariantInit(&requestVariant[1]); ) a7 T5 L4 {+ w3 m/ f
requestVariant[1].vt = VT_BSTR;5 |/ n* K5 X: ^ n H5 S
requestVariant[1].bstrVal = topicStr;3 k) c" A7 l& v. ?3 N. t
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;% ]' L' e" T9 t8 y
dp2.cArgs = 2;% d8 R) ]7 b! W4 n9 @
dp2.rgdispidNamedArgs = NULL;2 c3 A% y" q: g: r2 P
dp2.cNamedArgs = 0;
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, L0 N4 o9 D2 j- z/ c, T3 w! p var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()& V: j6 v' H) V+ A; q; A
5 @. d0 Z! g8 \8 g3 ]" d' [& [ hr = m_pDisp->Invoke(
- y2 w/ W, \" y2 ~+ _ requestID,
! a1 T$ R; M8 B: W/ ]6 G IID_NULL,) p& g4 Q' S. ]1 Z0 s+ Z
LOCALE_SYSTEM_DEFAULT,6 B+ i0 T' @ o: |3 }3 y
DISPATCH_METHOD,
% b3 N( Z+ u" V8 m6 q( X &dp2,8 \4 }% J+ A0 ?8 g4 L u! ^4 D
&var,; Y7 O6 R6 ^; j) }( f0 D q
&ei,
2 C' q. }$ _! N( t3 Z &uiErr);( s, ^' b/ [$ v( q6 n
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SysFreeString(topicStr);
) i2 ]/ e, v/ |$ `/ E. E- M k SysFreeString(itemStr);
: K; y) l2 C5 k% q8 a u! z9 Z请问该程序是获得extend里面的哪个值?% y" G9 n% g8 L! W
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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