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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:# D& h+ B% r6 w6 H
Name = (WCHAR *) L"Poke";9 {, Y2 W4 E1 ~( T- p g3 @" q
+ K4 p# h: I4 r% ?3 {- {" [8 s
hr = m_pDisp->GetIDsOfNames (
/ L) \5 @$ Z! e+ ~ IID_NULL, // reserved3 s' c/ l% F/ @5 s
&Name, // Array of names to get IDs for! B& o& O- T" r5 }3 ] V" Q8 a
1, // # of names in the array
4 w, Q4 ], l4 u; c7 G& ~- q LOCALE_SYSTEM_DEFAULT, // System locale
1 |6 i: e4 q% Q &pokeID); // Array of IDs to fill on output
% A i1 ]0 P4 i4 W; v " |" ]& ~0 U x) F$ L
if (hr)5 l) X6 \% r0 L- P+ d
{
( {8 Y9 f- O9 c# Q* M6 s+ u MessageBox ("Get Poke Unsuccessful");
& R) O' _5 ?: o# D/ i5 p4 c; y2 b0 y return;
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* h& h7 \8 s# ~' q% e+ l/**************************传递数据给extend**************************************/
8 b& ]) U8 b9 u& F' A* d( V1 U pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);* Q ^9 ]( i9 l
/ {1 \) L( u Z; g6 n4 c: k
valueStr = SysAllocString((WCHAR *) L"1232");
, D0 a) ]* ^# S4 P4 j. |- F: @- I VariantInit(&pokeVariant[0]); # @: r* d* }4 i! [
pokeVariant[0].vt = VT_BSTR;, m& c% P+ M! j) o$ t. z2 [% s
pokeVariant[0].bstrVal = valueStr;
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( P2 F+ L4 g. \! @0 I$ j$ v itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! Y/ C9 v2 s1 ?- C2 G! G1 v) c VariantInit(&pokeVariant[1]); 6 l0 }. o" }& L# D1 \8 ]: J
pokeVariant[1].vt = VT_BSTR;# h1 H, j* H: s% } N2 Z
pokeVariant[1].bstrVal = itemStr;0 D5 ^" l# G9 p
% ^. Y+ S+ v2 q7 u c% M- ? topicStr = SysAllocString((WCHAR *) L"system");9 m4 p7 C" k9 z, m
VariantInit(&pokeVariant[2]); # c/ e& S+ d1 ^ M3 ]
pokeVariant[2].vt = VT_BSTR;, J" G% _6 E. G/ v4 Y5 ?: b% `
pokeVariant[2].bstrVal = topicStr;" z6 U M/ r, v
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// Set the DISPPARAMS structure that holds the variant.
9 G; o; t& f! z6 t0 x7 h# i1 G1 v5 _, {
dp.rgvarg = pokeVariant;6 v1 s; Z; K9 S$ h( U
dp.cArgs = 3;+ s9 @0 ?7 }' m3 O( j. d4 Z
dp.rgdispidNamedArgs = NULL;
" s7 Z! M4 j) a- K dp.cNamedArgs = 0;/ T) q& i& N% H$ l
R# I6 q/ f4 |' Q' u6 j// Call IDispatch::Invoke()
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' @( i- y# C. M4 Z hr = m_pDisp->Invoke() m; A; q. |8 [! c
pokeID,
; P( f5 _- J6 l; [& k$ }& C3 D IID_NULL,
; b$ m- h+ s2 m, Y: ^% X: a$ h LOCALE_SYSTEM_DEFAULT,' R6 b% T# [9 j; y
DISPATCH_METHOD,
" c9 j: {* C, }# v5 \ &dp,
6 E6 F: P/ b9 |1 p; @ NULL,
- ?6 l- E) F) w$ N2 \ &ei,
# U' a: V+ l: P) Y/ T &uiErr);0 q7 A* d6 ~* Q5 B6 L" C. A
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SysFreeString(topicStr);
/ Z8 M. M9 r3 x SysFreeString(itemStr);, A) Y( a5 E& l5 U8 n, A
SysFreeString(valueStr);
9 o1 X) B( f; H1 Q
5 i8 i! i4 D8 O7 J, i$ o8 t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???3 u7 g( Z% n) b. _8 b1 D
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???? n' h ]7 L& b0 |7 @, j
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2.这是request的程序* K4 M3 ^7 N V: e# @- `
// Request a value from Extend5 h$ `. @- r2 \2 _8 Y; n* @
//
# f( `- u! @2 y {7 c W, S// Initialize the variant that will hold the BSTR. Set the variant's
" p9 E, s9 g. |6 x- T. @/ R// type flag to indicate the fact that this variant holds a BSTR. Place the
5 [ T' n4 l1 F" c$ D% _// BSTR into the variant structure.
3 d) V0 g0 V1 M& [( ?
9 ]# a: K4 t0 H0 t) k+ E requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
$ _" [7 U# w2 j' c, f) j d; x
1 T& U4 A: X. i; w9 H2 ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. [3 z$ [7 a+ C- b; i* h3 D VariantInit(&requestVariant[0]); " M1 V3 ~! b1 G D( L& d) ^$ d& Y
requestVariant[0].vt = VT_BSTR;- E4 G4 P' s+ Y2 T' x H- @1 |, b+ D
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");" W" y n; }3 j. l: `( d
VariantInit(&requestVariant[1]);
' X6 A7 q1 v3 {) Y3 Q requestVariant[1].vt = VT_BSTR;8 |! X: s3 T+ o( K& p$ e W
requestVariant[1].bstrVal = topicStr; N6 Q; u3 ?/ B1 A# e7 O
3 Y0 X4 N2 Z7 M% k# [2 E# r// Set the DISPPARAMS structure that holds the variant.
" ~& k. f0 c0 M. {& d1 N9 }" C4 ~. Y
dp2.rgvarg = requestVariant;; v$ j' J8 }7 b5 i
dp2.cArgs = 2;
, \( [) L0 m9 e dp2.rgdispidNamedArgs = NULL;
0 y6 \( d/ t ~" L8 Y1 A S dp2.cNamedArgs = 0;/ i0 t3 `5 J. G* L- D3 v1 O! F& _
2 w. e6 Y9 L( N: w) q var.vt = VT_EMPTY;; j% J- o' q! H& j' x- Y" o
3 w5 s+ u& w! z, m" t0 l# C9 n// Call IDispatch::Invoke()/ k# {1 A0 \; k: w9 X
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hr = m_pDisp->Invoke(
0 s" m4 N6 y! ?0 E requestID,
, E$ y! r& q; G# w* S0 O IID_NULL,
+ X. b- [: N( m ~3 q5 [( \2 O! _ LOCALE_SYSTEM_DEFAULT,
1 D. E) H7 w! w! u2 H" f' F5 I! N4 w9 J DISPATCH_METHOD,
6 ^$ I! y9 j0 s( C! N% Y &dp2,
: g5 {! f, r0 d5 ^' A) t: d &var,( y) Z9 I# C; y( j. [" Q
&ei, [8 x6 ^+ r- w6 v
&uiErr);* l2 \* C$ T9 h
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SysFreeString(topicStr);
. }) P$ \+ E$ j; Q5 S SysFreeString(itemStr);9 P& O+ B' D) k I' x7 B
请问该程序是获得extend里面的哪个值?" [) m+ d) Y/ O
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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