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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:8 N& e* C* f$ x& Q. E1 Y) p" {
Name = (WCHAR *) L"Poke";. ?; M4 ~$ a6 j3 l/ G' J B
1 l; P# F) P1 E9 \ hr = m_pDisp->GetIDsOfNames (: e6 M1 q6 k- Z1 k
IID_NULL, // reserved5 \' D! e% F/ ~5 l, U7 o1 u
&Name, // Array of names to get IDs for
$ B/ p' U! F) l& Y( s) X 1, // # of names in the array- D* f& a% j& E- T$ ?, N' b
LOCALE_SYSTEM_DEFAULT, // System locale
' M7 A* I, f7 [! N &pokeID); // Array of IDs to fill on output' u' G! ?+ F& g9 k4 {5 y) a
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if (hr)
7 `$ [6 w+ @# [ {
5 h! O! X- h, K. A MessageBox ("Get Poke Unsuccessful");
( j% U, Y" M, u4 ] return;6 F2 M/ ~0 t7 `0 | ^
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/**************************传递数据给extend**************************************/
! x8 j7 k" q' a& B- i+ @% N% t) W pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
0 o, K! m5 N+ x& H4 C : B x, H ]8 e. ^, z1 M0 P4 _
valueStr = SysAllocString((WCHAR *) L"1232");
5 {! E. r$ ~" i2 ~' U) T VariantInit(&pokeVariant[0]);
3 I* g3 X2 ?* [3 k8 D0 _5 g pokeVariant[0].vt = VT_BSTR;- q6 z1 i- l C, ?0 G8 D
pokeVariant[0].bstrVal = valueStr;, c9 R0 `$ D3 T5 O" R: ]
! g' q0 A7 H8 g! _! x itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. i0 |, v+ k: T$ G7 C
VariantInit(&pokeVariant[1]); 9 a" p+ ?- t; e" x$ G# z
pokeVariant[1].vt = VT_BSTR;
4 u* b4 e- A$ f6 ~% \) x% ? pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");9 d0 m2 W/ S; @; T2 U% R* @& }
VariantInit(&pokeVariant[2]);
1 H- I3 Y, E/ z5 y4 O9 a- P) G8 b pokeVariant[2].vt = VT_BSTR;1 x* e3 r- W1 l( g
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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4 l- B- [9 h8 L O8 Q0 C) j dp.rgvarg = pokeVariant;3 F- k( {* u! d+ P7 |
dp.cArgs = 3;1 }/ m: q- F4 @! }8 z
dp.rgdispidNamedArgs = NULL;
+ ]. C) q- C2 Z3 U dp.cNamedArgs = 0;. {. A6 M3 B. M! ^8 c7 |6 Z
3 c% F, o2 o! l2 X" H [( [// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
. E: L0 K$ W2 G- J4 h( ^- i% z2 } pokeID,
. A2 s- S8 W" I IID_NULL,
/ ?: k, v: J$ s' ^3 r; k LOCALE_SYSTEM_DEFAULT,- j( H3 E+ ` _' b
DISPATCH_METHOD,
! A. ?( t' {7 ~9 { &dp,
# R& A8 r J2 E NULL,
$ d& C: k7 E& f6 Y &ei,
& ~% @4 d: {' P2 k* x &uiErr);: @) z# ~0 j6 ^5 S3 i% p& Y
1 @2 H$ f, v; H+ g
SysFreeString(topicStr);
8 j- V/ g% {- m* h% q, j SysFreeString(itemStr);! u9 Y* G$ s! X1 f* f1 ]; Y% d
SysFreeString(valueStr);
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; |: A2 Y' o. Z: n$ X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???
4 B- W% o. S2 G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+ h/ b) j7 G& J- o. `$ _- s
// Request a value from Extend; v1 L3 |8 P; F- [# w
//
' o# f, C% l% Z' S7 n4 j# R6 w6 z// Initialize the variant that will hold the BSTR. Set the variant's( ?; d1 b' g. q7 K1 K
// type flag to indicate the fact that this variant holds a BSTR. Place the
6 \/ \9 }: ^: D# ?% e7 s. i// BSTR into the variant structure.0 [4 m* f: [; h5 K) h: l2 i
' F, ?' U, V$ L6 q% K requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
4 B8 ]8 y0 F! o$ m5 y4 ? ! [: n! |4 ~2 S8 y/ V6 a: o
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 L6 P4 Q8 r& p& G- E
VariantInit(&requestVariant[0]); 8 s+ {6 z( M: N2 A7 d+ H
requestVariant[0].vt = VT_BSTR;8 Z- y$ P M' T/ o( |( F8 q
requestVariant[0].bstrVal = itemStr;
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" i8 v: C0 T4 z; T5 C+ h topicStr = SysAllocString((WCHAR *) L"system");' U- b5 r/ O& a* O' w( N* U$ j* h
VariantInit(&requestVariant[1]);
2 {9 m8 ?; Q" s$ k requestVariant[1].vt = VT_BSTR;
; z2 D) K. Q* a% ~ requestVariant[1].bstrVal = topicStr;6 Y& k% Y; j/ A/ |" L C' e
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// Set the DISPPARAMS structure that holds the variant.' H4 r: W+ T& N! ~1 R" n, Y. @
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dp2.rgvarg = requestVariant;
! o. w, u* m( R# Y- e dp2.cArgs = 2;2 b. o$ ?9 p, x% [& W
dp2.rgdispidNamedArgs = NULL;
8 C( ~1 C; m1 G- s/ A dp2.cNamedArgs = 0; f1 L4 p9 ]) z- a% L
; F) A( Q% k6 f' O var.vt = VT_EMPTY; |% ]: M- h8 N, e: _0 A: r
! E" i' c) b; B// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(4 ~, ~2 J( V/ D. S6 F0 [
requestID,
4 l' A/ x/ g; q* m- I8 l) j IID_NULL," J# U. ?, V9 ]% x1 W) F; ?
LOCALE_SYSTEM_DEFAULT,
2 e! g" @7 O: { DISPATCH_METHOD,
% {. X6 Q, U' \) z% x6 o# T2 c &dp2,6 D; T6 L' g4 l6 w3 e
&var,7 d$ K! [$ j$ t( j
&ei, l4 W& s8 Y5 a$ ?8 t
&uiErr);; c2 O1 t0 X1 f- P: [3 S9 i
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SysFreeString(topicStr);
) f6 Y% r$ [" Z$ S6 z SysFreeString(itemStr);1 c$ }! k# z+ Q3 G
请问该程序是获得extend里面的哪个值?
/ ?5 P# E6 n8 d6 m% G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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