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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:" x- ^; [4 X9 T
Name = (WCHAR *) L"Poke";
4 [( A$ ?, K) s* F6 p' M: s
! Q( `! g: M; p+ Y- B4 l- C: D2 c1 H hr = m_pDisp->GetIDsOfNames (
# z1 X# L2 [5 O6 b5 y. W# R) O& v* Q IID_NULL, // reserved( G- Y- f& q! ]! o) k4 ?- u
&Name, // Array of names to get IDs for: Q. T Z" L. S& @4 k9 T
1, // # of names in the array( [$ j6 X* A5 x |1 e
LOCALE_SYSTEM_DEFAULT, // System locale
* j/ i3 G" | C7 K$ K$ w &pokeID); // Array of IDs to fill on output5 ~4 ]/ u5 A- w" O! x9 n
: s9 C; [0 V3 Q8 c
if (hr)
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MessageBox ("Get Poke Unsuccessful");
" S- [: O* \2 i* y) }, c- R3 z2 G' P return;# v( ]+ R \* x# Q
}
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/**************************传递数据给extend**************************************/1 I( k1 W# _ S
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);* M( s5 T" o% G/ e) F' ~
6 O8 G5 B h" l0 Q! ? valueStr = SysAllocString((WCHAR *) L"1232");
6 Z$ [9 c; _6 q6 h8 W, k+ n. z VariantInit(&pokeVariant[0]);
" [3 g8 {1 F( ?. T pokeVariant[0].vt = VT_BSTR;
7 m7 \3 s" u: |8 I) I pokeVariant[0].bstrVal = valueStr;$ ^# G; h% {3 E) |
V2 Y: m7 x: V% R5 K1 c
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 M: Z0 @) h5 E2 T4 C5 J( E
VariantInit(&pokeVariant[1]);
/ {& x5 t9 e7 }6 d0 B pokeVariant[1].vt = VT_BSTR;
4 i1 D, H$ o! q1 V0 n3 ` pokeVariant[1].bstrVal = itemStr;; k N: P; y3 n. M
9 ~! V- Z" N( z; m topicStr = SysAllocString((WCHAR *) L"system");1 p1 q. c ]8 L
VariantInit(&pokeVariant[2]);
5 i" f% {2 P! p5 J4 j pokeVariant[2].vt = VT_BSTR;
7 E! }8 R; q' g: p3 `) e pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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5 O+ z/ r- T. O: n* J5 D1 u& U# J dp.rgvarg = pokeVariant;
0 T4 b/ E {9 c0 L3 X) s8 l dp.cArgs = 3;
* l& |, B7 P/ Z# G7 p$ K dp.rgdispidNamedArgs = NULL;3 I& B5 T+ K3 c ^% Z- D, G2 i
dp.cNamedArgs = 0;0 F( ~$ U2 l' T, u h+ d
. g' X5 L9 F7 S# Z
// Call IDispatch::Invoke()
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) R' w' @9 n; [. ~5 S& f9 l hr = m_pDisp->Invoke(
" r# A$ K! ]. a8 _+ Q pokeID,
( z9 B0 c; l( [6 h2 s IID_NULL,
2 c `5 A; p: r' F$ a LOCALE_SYSTEM_DEFAULT,. W' I( ~0 w' [* Y* Y! K: B8 o* d7 j
DISPATCH_METHOD,
8 ^1 y! |6 B' ^! v. Y# T &dp,
0 \! [! m8 {: B2 Q/ l NULL,( T* x( ?2 d' |! G* Y
&ei,, \* ^- E, O4 h# p4 ~2 o0 Z. L0 e/ q
&uiErr);
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SysFreeString(topicStr);
- W- T4 D4 s) A: m3 [ P SysFreeString(itemStr);! q2 M6 M9 N k% M1 w8 O
SysFreeString(valueStr);2 M$ a% K5 W5 N) z2 o/ h
* A# W2 ]5 q5 d
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???
9 H. t1 h- t( N! j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????* y# p$ u$ b8 R" C7 W; P: |
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2.这是request的程序3 y; ~! X' p' ^5 P" x0 a1 c, u
// Request a value from Extend
+ o! o+ A p( u! S6 R//
: K: @# r0 O9 D9 Q1 k1 w0 n% _. Y// Initialize the variant that will hold the BSTR. Set the variant's
9 d, W9 p5 S3 t6 ^ B* j4 \// type flag to indicate the fact that this variant holds a BSTR. Place the/ X% J6 W0 |) B3 a* a" M+ s- z
// BSTR into the variant structure.$ V# \. z! ^7 a, E( l
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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, {* ]* W9 }3 v. X; @. l# C) \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: q0 c) V1 H5 ~
VariantInit(&requestVariant[0]); ' X( l8 q0 d8 F# S( e8 l9 F
requestVariant[0].vt = VT_BSTR;
1 K1 H0 K8 v7 |8 q# l- I8 ]: z requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
3 }9 C- U! i4 S1 @ VariantInit(&requestVariant[1]); " ]( I* d/ u4 O. W. w4 s) q
requestVariant[1].vt = VT_BSTR;+ V; `! q |7 E9 M
requestVariant[1].bstrVal = topicStr;, P" e0 g! T. {6 {3 ~; g
( M; N" v: p! Z0 e4 D+ y* k// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
9 s- \9 w$ w. C) c6 f1 ` dp2.cArgs = 2;
' m+ u$ ~& D: G; L dp2.rgdispidNamedArgs = NULL;
3 ^! a( w }7 Y6 @+ O0 h dp2.cNamedArgs = 0;: C$ l8 a$ N T: a
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var.vt = VT_EMPTY;" U; B6 E2 c- V+ k1 q7 n9 Q* B
b6 J0 Y2 G' e% a' U+ h8 M// Call IDispatch::Invoke()
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t, S1 x" B! H* i* o hr = m_pDisp->Invoke(
5 L% q! K! l* j( E; y requestID,. _* U( M( Y$ ?) ]# a& O
IID_NULL,3 x$ ?( l& E9 \ r6 {
LOCALE_SYSTEM_DEFAULT,
' g' c W" U: K3 b' R DISPATCH_METHOD,
+ U+ X: b- v( g% j- U2 `8 h &dp2,3 x9 P5 X3 f7 R, [" W7 M' n- B6 W( J
&var,
0 P7 ~- m% W% f9 X. d &ei,
4 a$ j1 s. L. F3 \5 D0 \ &uiErr);2 k! U$ i3 w; K o" O% j
# ? L# k$ Y) a% W$ I+ O0 P SysFreeString(topicStr);8 ]& q$ k9 d5 C
SysFreeString(itemStr);+ H% C+ i& \9 ?9 w# o+ A8 z
请问该程序是获得extend里面的哪个值?2 a- F8 G4 R7 U6 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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