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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:
* M, U. Y7 Z0 o, s0 W+ [Name = (WCHAR *) L"Poke";: W9 b/ Y6 G. L3 {( [
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hr = m_pDisp->GetIDsOfNames (
2 m- D/ [ A4 d5 @( [7 L! y IID_NULL, // reserved' |7 N1 G3 S- ?/ J
&Name, // Array of names to get IDs for! I9 P4 t' |' i- Q7 c; }! `
1, // # of names in the array
! }/ i/ S+ L0 K& t' A LOCALE_SYSTEM_DEFAULT, // System locale
) A1 x8 w4 B" k, k9 A8 F7 ]& Z" j: Q &pokeID); // Array of IDs to fill on output" G6 r6 w9 G+ @/ `) E: Q- z
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if (hr)
. {8 P7 d8 c3 \ {
3 e$ q- a. \5 @7 W; J3 Y MessageBox ("Get Poke Unsuccessful");
! W' ]" U4 }7 J, L) x4 d! x P return;" z6 m \4 \& l( ~% h
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/**************************传递数据给extend**************************************/
! C$ C2 V! U% L. O0 X pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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: o, N! R% P7 E2 M; V' V valueStr = SysAllocString((WCHAR *) L"1232");( z/ b ^! b2 q$ r0 ]
VariantInit(&pokeVariant[0]);
; J: L% y1 j! i1 Z pokeVariant[0].vt = VT_BSTR;" X$ ~* W$ P. a2 h
pokeVariant[0].bstrVal = valueStr;# M) J" ]* i3 [; T& {) E/ u
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- b. L P% i: c4 H8 |# \0 A+ P8 D VariantInit(&pokeVariant[1]); # m5 {$ _0 W: `
pokeVariant[1].vt = VT_BSTR;; w7 A* N) n) f2 d2 ?/ j' s
pokeVariant[1].bstrVal = itemStr;( |( x6 I2 G/ V! s, g& h/ V M
! I @3 s; G% b. U6 K: u1 C topicStr = SysAllocString((WCHAR *) L"system");2 F2 ^3 z) M8 x3 `7 k+ p) J
VariantInit(&pokeVariant[2]); 3 Q# Q8 S$ a6 [. U& i% `
pokeVariant[2].vt = VT_BSTR;
( h4 r$ [" X3 _ p4 s pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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# h' ?# x, [4 C6 U% m' Z dp.rgvarg = pokeVariant;8 U" h7 B( {. h& e- l
dp.cArgs = 3;2 Y" B3 {! Z7 V2 f7 \& ?: L2 c
dp.rgdispidNamedArgs = NULL;: i: s* B ~: E* Y
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()- }" s9 K& z; k# [- F% j! i+ [
$ R) o* [3 [8 h0 f# G" [6 N hr = m_pDisp->Invoke(
' b) M* a. f/ F pokeID,( E! X9 E; r# Y6 H) \. C! S
IID_NULL,/ x! M5 ~8 @; I1 `8 `
LOCALE_SYSTEM_DEFAULT,
* b3 ^# w. I$ B& ^& J3 h7 D1 s) k( ` DISPATCH_METHOD,
) I3 w, N; ^! |4 t5 S &dp,
* b2 ]( b% r5 O& X4 ~ NULL,
! ^1 D1 a! W" P) e, K& N0 m &ei,
$ S% r! F7 B' L9 Q& t5 A- x &uiErr);( |3 D4 Y; y2 `! K
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SysFreeString(topicStr);
1 y% t+ ^- L8 ~5 \: @" s SysFreeString(itemStr);
# {0 v8 Q7 t9 I6 @; t0 D: j/ n SysFreeString(valueStr);6 B( b/ o$ [. `, ~ _! o3 ]
/ [& D4 |+ Z: Z5 `
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???
/ d( `. V/ _6 u5 k0 P( h% 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????( i1 n1 C* L% L! e
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2.这是request的程序
8 V1 Y* S% }+ D, _* G// Request a value from Extend; h+ `4 \) X. i+ F9 s
//4 B. u4 J" S/ Z Y
// Initialize the variant that will hold the BSTR. Set the variant's
! q# d0 x9 t" Q// type flag to indicate the fact that this variant holds a BSTR. Place the( e' G' [& u/ n7 U
// BSTR into the variant structure.
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4 p/ I: [1 Z; n+ ] requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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9 @/ d7 r- i" H itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- {+ a8 a) \5 I0 S; M3 G, ? VariantInit(&requestVariant[0]); 2 Q2 q2 I0 s7 d, ?, D
requestVariant[0].vt = VT_BSTR;) S8 i9 g) r, D- S5 z( j& R7 ]2 b
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
8 m; v# G8 W% ~8 H0 P! x* m VariantInit(&requestVariant[1]);
# w1 ^2 y: g% V# f requestVariant[1].vt = VT_BSTR;9 {7 \ f- U( W, S/ W
requestVariant[1].bstrVal = topicStr;
4 s! C: L2 f3 B4 Y. q2 D
: e! n/ I. c7 H) v8 a* m: G// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
) k' s+ e8 M+ p$ z& G% B dp2.cArgs = 2;* ^1 Z8 a3 D& _: N4 c
dp2.rgdispidNamedArgs = NULL;
* _; \; j# S u dp2.cNamedArgs = 0;$ X( G, ?3 d) s( O9 }' T. a
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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2 f! r2 e$ M( O0 b# H& a1 }$ ]" _) R& f hr = m_pDisp->Invoke(/ ?- o8 ^8 V; h$ x( J
requestID,
! [' b7 N3 a# g3 q) |0 [ IID_NULL,
+ p' o8 |7 m9 i8 |3 U LOCALE_SYSTEM_DEFAULT,: S# z6 P# H$ x
DISPATCH_METHOD,
! ]0 P3 J F& r8 b &dp2,
6 x+ v3 ]; F0 _/ k &var,. t) I D5 O I( C1 M/ I
&ei,
1 t. }1 _: N, I B. ~ &uiErr);5 k: b1 J5 L5 m2 }. \
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SysFreeString(topicStr);0 { C4 C/ c6 ^+ _. {+ M7 t( w
SysFreeString(itemStr);
2 R7 |- n- y$ J请问该程序是获得extend里面的哪个值?
4 i7 E, L# b% L4 u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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