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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:
# Y' G( Z% {2 b( o; O% H1 \Name = (WCHAR *) L"Poke";
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( R" C% `1 H, v8 s# P hr = m_pDisp->GetIDsOfNames (/ w/ L7 i1 ~% f% O0 ~& N5 V
IID_NULL, // reserved
2 {( M$ L! I$ R" A& _3 S &Name, // Array of names to get IDs for! a: u- ~6 S4 `" \# z
1, // # of names in the array
+ ?' ~' J$ u }7 {( k LOCALE_SYSTEM_DEFAULT, // System locale4 S6 ~% }/ [* o2 W5 e7 ?6 r+ F/ \
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
. [# ? C" F- A) B6 R return;
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5 r/ W0 Q5 z3 h# H. r! M3 |+ }0 F- x/**************************传递数据给extend**************************************/
* B* k, z2 ~7 G' F pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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) p2 M4 d) n; L( S3 a valueStr = SysAllocString((WCHAR *) L"1232");
1 A, t. G1 w* I; Q' E7 R VariantInit(&pokeVariant[0]); 2 j! ?5 `$ d$ ~: a* X$ H/ {
pokeVariant[0].vt = VT_BSTR;$ A" \5 L$ L3 |0 p9 J
pokeVariant[0].bstrVal = valueStr;2 `; V( D; V6 z7 K3 l) E
% @3 t3 T( l9 \1 q e) h* M itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- Y) R$ O0 A" B1 y
VariantInit(&pokeVariant[1]);
; k6 s, `, u7 a$ }, e# s pokeVariant[1].vt = VT_BSTR;
( `' U+ D* h. { w1 W pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");, n. R; a% b" ]$ @+ K
VariantInit(&pokeVariant[2]);
$ h6 y9 I$ B5 H pokeVariant[2].vt = VT_BSTR;
# X' S1 d8 E4 c$ s( \; r9 s pokeVariant[2].bstrVal = topicStr;: K/ K$ E0 v% A' P, l; Q7 m; V
- f. ?) [. P' ^6 m t; h// Set the DISPPARAMS structure that holds the variant.
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2 l* S. r! ]% a6 c* y dp.rgvarg = pokeVariant;
! B5 w- P9 W2 @0 H4 {7 V- }# v" _ dp.cArgs = 3;
/ e" Y& e& ?, | dp.rgdispidNamedArgs = NULL;7 ~. u% h \% U" C5 @) F/ y; Q: I
dp.cNamedArgs = 0;
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' s# e& S0 P: a2 _( m/ t// Call IDispatch::Invoke()( ~. S- R, ?: c6 B) W
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hr = m_pDisp->Invoke(
- V6 _/ U2 e% S. \) N S pokeID,
" F. q/ U4 K- u5 X IID_NULL,
, [( |! l0 h5 o LOCALE_SYSTEM_DEFAULT,
5 `* q( n3 H0 M5 e DISPATCH_METHOD,
; }& g% Z1 m1 ~" t2 \ &dp,% S& Y. w7 F, @. Q
NULL,
$ K: a P: f4 V0 F &ei,% z* z) h# J+ Z; J, ~5 v4 X
&uiErr);
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SysFreeString(topicStr);
& w' `$ q& P4 U! b0 z9 G$ q SysFreeString(itemStr);
2 J H8 R. z' S7 E( [ SysFreeString(valueStr);
# p! T" O1 ^6 W& a; I v7 F- ?* k3 G4 _$ K0 ~
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???+ q. y3 R+ g$ ?. 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????
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2.这是request的程序) E4 n* m* Q0 ~, x
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's4 c o" A A: ?: K+ C5 _ F
// type flag to indicate the fact that this variant holds a BSTR. Place the
3 W" w, O1 Q4 i. E" z) [// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, \! ~' {+ W& X VariantInit(&requestVariant[0]);
: P- ^* K9 Z7 V( I, ^& | }# i+ h- c requestVariant[0].vt = VT_BSTR;
( U# z" L% v) ]2 n requestVariant[0].bstrVal = itemStr;
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3 T; ^6 p! K( Q# C4 v$ N topicStr = SysAllocString((WCHAR *) L"system");% \/ ~* \4 Y; k- U" c3 W
VariantInit(&requestVariant[1]);
0 ]( P5 c$ h9 x8 {3 L g5 ? requestVariant[1].vt = VT_BSTR;
* r9 `/ t/ p" p6 M# u8 r' I requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant./ U, V! f8 ]+ ?* o9 ~4 M; ~
0 U4 l; C. M7 N3 y dp2.rgvarg = requestVariant;
# B/ R" P8 e) M8 b$ f dp2.cArgs = 2;
# h* n- N$ B" U8 [, B* @: o# G4 p dp2.rgdispidNamedArgs = NULL;
; \1 V! n9 N9 N dp2.cNamedArgs = 0;
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6 L1 x+ R$ n$ s$ q# c( m2 }- X var.vt = VT_EMPTY;2 U1 k. u r* U" `
# K$ V4 k! F. Z" ^! |// Call IDispatch::Invoke()
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! t2 o# I9 w/ d! k hr = m_pDisp->Invoke(+ Z2 Q" V6 J$ ~. H# K& O: L6 h
requestID,1 v4 e" j1 j8 N- P8 x* u6 F8 |
IID_NULL,* U# C" R8 q- B0 i& e0 N
LOCALE_SYSTEM_DEFAULT,
% |" s& t( Z. ]- U! A. h P8 x" U" { DISPATCH_METHOD,
* J+ s+ `% g' C &dp2,2 c1 d7 _1 [- _; V
&var," Y& N# c) N0 f9 s6 R' _
&ei,9 k- p, K2 J" C5 N w
&uiErr);' D2 D0 O% z. X3 Z4 F; z
& P) T: ~' c" N M SysFreeString(topicStr);2 T5 [9 ~$ m/ `) h! H. p( q
SysFreeString(itemStr);# e6 d$ U6 o; C3 o7 ~
请问该程序是获得extend里面的哪个值?
+ U, ~9 J9 ^+ Z7 P/ [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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