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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:
; w/ B h. P, p% jName = (WCHAR *) L"Poke";6 K( U1 g) v% W# M3 h
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hr = m_pDisp->GetIDsOfNames (
$ S) i9 g6 ?& `3 ^ IID_NULL, // reserved* s/ @& _- O* q7 t0 I2 M
&Name, // Array of names to get IDs for W* W5 G- N; y7 p
1, // # of names in the array! Z4 J; Y1 k$ {8 r8 m& T/ ~
LOCALE_SYSTEM_DEFAULT, // System locale
' A4 J) W+ R& g) |( } &pokeID); // Array of IDs to fill on output- |1 \4 I X" A1 L
2 F" c$ |' }6 h1 h: e' A& Z if (hr)
4 ]0 i5 S3 J" f {
# [1 g) s/ j. ?0 \6 h$ o MessageBox ("Get Poke Unsuccessful");
! ~) p& T; ~* F* Q+ E) o return;* ?! M) N! G, |6 i+ |5 s" G! w
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/**************************传递数据给extend**************************************/
% b5 b2 H1 \2 n pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 B; S. h, \ q# d
' j8 b8 w, S# h& b) z2 i valueStr = SysAllocString((WCHAR *) L"1232");' J9 r8 d* e* t* V) m1 u" D- B
VariantInit(&pokeVariant[0]);
% a5 }0 n1 b: g pokeVariant[0].vt = VT_BSTR;4 [$ V: y; v3 D, q; Z
pokeVariant[0].bstrVal = valueStr;5 A( h# D+ N8 n; Q$ \7 ]- Z8 P3 j
3 V: a. s0 M" D( D5 J- i itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; \& f# M8 s3 `% F! A
VariantInit(&pokeVariant[1]); * N% \; N* s5 ?% x1 M* L
pokeVariant[1].vt = VT_BSTR;% U9 Z1 L% g4 U3 I- d0 b- P
pokeVariant[1].bstrVal = itemStr;% ?2 a& a* ]% H' U9 O
% S8 `* \2 f L; q" r$ D topicStr = SysAllocString((WCHAR *) L"system");; M; C( u0 ?% t* X6 {' I; V
VariantInit(&pokeVariant[2]); : |3 x: f! \9 S1 ~
pokeVariant[2].vt = VT_BSTR;# D3 U" v, d9 e3 r, G
pokeVariant[2].bstrVal = topicStr;
/ B; B4 t5 Y; T4 A' V, s
5 j/ K8 H% a! o' d4 L$ v// Set the DISPPARAMS structure that holds the variant.* K; O9 m/ Y" F5 W
+ s/ [ d) a; n; B- k dp.rgvarg = pokeVariant;
( ]8 L$ O0 _3 m* h dp.cArgs = 3;, o4 B& Q8 J% Z- V+ s' M' i
dp.rgdispidNamedArgs = NULL;
, c f1 g* D1 ]2 i: T3 H$ i7 { dp.cNamedArgs = 0;- N ?! ^2 a9 Y1 b# ]) ^9 @7 N
2 l- D+ d$ j+ E// Call IDispatch::Invoke()
B: _* o9 h' A& H3 @
2 X$ Q6 C# Y0 O. c" l hr = m_pDisp->Invoke(
8 b" Z X3 ^# H pokeID,( O, n/ L' F J7 A8 |& d
IID_NULL,
& K! J% c$ d3 @' Q4 U LOCALE_SYSTEM_DEFAULT,/ R9 h- O$ ~, H( K, j
DISPATCH_METHOD,# u" L: ~1 I6 G# m+ R
&dp,' I7 c3 l* S$ E
NULL,4 e; v. |" U; A0 J& o. }
&ei,
' M! c" H) L5 ^7 T/ k( C* ~2 G &uiErr);( o4 ^, O' z. a, b3 G
8 s7 U0 x0 P5 @+ |
SysFreeString(topicStr);. ?. }) W- P" U; p1 ~
SysFreeString(itemStr);2 @2 Y2 }1 T X' R6 u
SysFreeString(valueStr);
, {# l+ C( |2 \: l3 q1 W; y1 ]5 ?% j0 _8 s% w: C
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???
' [% E2 v' n3 p' m0 ^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 l- H3 F1 z$ W8 ~5 ^4 O
// Request a value from Extend/ u- z+ ]+ c k* k* q' @3 a
//7 Q! G$ N; m% P! m0 L2 d) |# Z( E: |" V
// Initialize the variant that will hold the BSTR. Set the variant's
$ ^; W9 r+ X" d# ?0 R3 k// type flag to indicate the fact that this variant holds a BSTR. Place the- ~! B. v/ s0 c+ f) R. m# `1 f
// BSTR into the variant structure.* m/ u* U; d5 m' C' [3 ]9 J+ |3 ^
/ r4 P: P- A& O+ P% d5 G/ m requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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; [0 _: y$ {: g+ q) l" m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 m- f, \/ V/ Q: T
VariantInit(&requestVariant[0]); m9 J' Z/ E9 O2 ^) L* J1 P" }
requestVariant[0].vt = VT_BSTR;4 C, j6 Y3 d# p' _
requestVariant[0].bstrVal = itemStr;0 ~8 `" [8 U: Y* E1 i
8 ]9 \' b# ^. J5 K9 e* d k( Q0 P
topicStr = SysAllocString((WCHAR *) L"system");; u" f$ \% [7 v4 D s' M; b' I! J
VariantInit(&requestVariant[1]);
, h5 E/ _' T: U' c& T; {' n2 z requestVariant[1].vt = VT_BSTR;) y4 e( E, \4 p3 l& G5 Q$ E
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.3 M& O( Y/ D" v* l7 e
3 G( M) x* q5 L: i9 [ dp2.rgvarg = requestVariant;6 T6 W1 b6 U+ u. T! z
dp2.cArgs = 2;
3 o9 Q' @# P! B) U, Q) }. o dp2.rgdispidNamedArgs = NULL;
. r5 x: F+ I3 q/ j# | dp2.cNamedArgs = 0;& q' M5 b. s. d2 y9 T
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var.vt = VT_EMPTY;2 x* D, y$ s! l1 f8 g! B [5 D
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// Call IDispatch::Invoke()' s& G* ]; V( `+ \
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hr = m_pDisp->Invoke(
, t( l5 e; q) B7 B0 m: B" u9 V requestID,7 Z' c/ s) z; ~( E9 c$ B+ ~' f
IID_NULL,
' `" y( k: d! F% n X; r4 h LOCALE_SYSTEM_DEFAULT,# _& |" M+ g0 J- a* X
DISPATCH_METHOD,2 Y) i; _+ b8 b2 P% b7 d
&dp2,( s) s5 ]# Q, v9 q! ~2 u2 e
&var,5 {/ s5 s7 ?8 P1 c- s0 s3 i
&ei,: b4 ?0 a+ h# E
&uiErr);* H3 ]% A4 t& Z, V* h
6 L7 G5 ?6 h, s" v$ F SysFreeString(topicStr);+ x- s& a6 K+ p) J
SysFreeString(itemStr);
% s' w' M6 R c0 X# O8 [请问该程序是获得extend里面的哪个值?! ?% K9 i4 B; {& W; x$ ?* f
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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