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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:
+ _# y2 e$ ?, d" v }Name = (WCHAR *) L"Poke";9 H+ w+ m" { p8 ?1 d
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hr = m_pDisp->GetIDsOfNames (( ]+ }0 i4 n) R. z, Q
IID_NULL, // reserved/ Z: J2 `1 R9 \( w1 j; B
&Name, // Array of names to get IDs for! s$ G( A# x# v/ ~1 J
1, // # of names in the array
' A: V' i# |7 Z1 m9 k; `: a LOCALE_SYSTEM_DEFAULT, // System locale
- }6 I" R* ^* ~( A2 |% q &pokeID); // Array of IDs to fill on output5 {7 s8 p' M. @; c" C4 }# E
8 L" Q; G! X3 g B1 Z0 r if (hr) F3 E u S/ Q
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MessageBox ("Get Poke Unsuccessful");; U9 c5 E; [' H1 U) Q) u. U! N- u: W
return;/ ^/ r6 r7 z" Y7 h5 x9 j2 d
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6 T& U0 h& i4 H+ n6 W; p5 w/**************************传递数据给extend**************************************/
, Q7 p8 L9 D; ? pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: X: a) ]# [7 M. E' ~. s
7 Z! Y$ b4 L8 G/ a valueStr = SysAllocString((WCHAR *) L"1232");5 m0 q+ V S8 r2 t5 N
VariantInit(&pokeVariant[0]); ; ]- T& P3 a- L8 j9 l2 B9 f
pokeVariant[0].vt = VT_BSTR;$ J& @# J0 `' v+ p9 w: |
pokeVariant[0].bstrVal = valueStr;
i2 L! O6 v ]9 d
8 G# ~( v- I' E' b itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 ?9 F# t' r5 w7 P
VariantInit(&pokeVariant[1]);
3 s h0 W( b; M6 f$ ?# U, _1 }9 o/ g6 N pokeVariant[1].vt = VT_BSTR;' s n! l+ t: P* W" [6 ?
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
% m% n1 R2 o Y5 Y3 j. g% W1 h VariantInit(&pokeVariant[2]); , V$ O; @# f ~5 q5 Z! Q: a- [3 h9 ]
pokeVariant[2].vt = VT_BSTR;7 W' A9 _5 r7 O; o& r/ @, n! |
pokeVariant[2].bstrVal = topicStr;2 E( I ~& N, b9 e0 m* o) T1 @ U2 I
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// Set the DISPPARAMS structure that holds the variant.
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3 z. \5 Z% D# Y9 ^1 U8 |4 e dp.rgvarg = pokeVariant;
! l8 x0 o4 T" W' e dp.cArgs = 3;
; C$ ?+ T* Q( n0 y; x1 k dp.rgdispidNamedArgs = NULL;
/ l6 N& T: }3 o W. Z; } dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()3 g+ B/ _ d8 j( a- @0 u6 X
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hr = m_pDisp->Invoke(
0 A. C0 X" g/ W% x# g. s4 W4 o' @2 T pokeID,
/ k% j: U$ n H& \ IID_NULL,
$ L1 B% V* t9 x3 t+ w$ ? LOCALE_SYSTEM_DEFAULT,
2 }2 h, f( ?9 k+ Q! z* _ DISPATCH_METHOD,5 l y6 c; ?, }5 p) j- a3 ~% a
&dp,
0 C; h x/ C* A' G' Q4 { NULL," [& [1 i" o; q+ o
&ei,
( H8 N H2 @. O+ X &uiErr);
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SysFreeString(topicStr);( S. i; c( a( H8 y: o4 M
SysFreeString(itemStr);
! f7 _1 Z! q- J# O7 i SysFreeString(valueStr);
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0 L e+ |7 X p* H8 U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???0 M3 i; _% |5 A
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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. K$ R, V, W) i4 A+ }, N* V5 X: x& O- G2.这是request的程序7 N/ }) m- {9 O7 f
// Request a value from Extend
. [9 x% I9 `: a- [6 u- a" X1 [ z//
8 X' [9 O' t ]7 K2 y$ e1 s$ n// Initialize the variant that will hold the BSTR. Set the variant's
5 Z& P4 T9 ?$ V// type flag to indicate the fact that this variant holds a BSTR. Place the
0 X0 N" |" z* T4 K( G% u// BSTR into the variant structure., K4 F9 Q* L9 s) C2 t$ t' H% f
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);; N, i3 p6 T. B, U! ~. B
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, ~! Z" k6 `% U& N* ~) _ VariantInit(&requestVariant[0]);
0 v% j$ ^8 p; c. Z- O requestVariant[0].vt = VT_BSTR;
9 ~5 P& f2 r& S- g3 s requestVariant[0].bstrVal = itemStr;7 A2 W! k0 |7 p2 _
! k6 C$ ]( h' i, E topicStr = SysAllocString((WCHAR *) L"system");9 P" o7 L9 { s& @0 [6 H, Y
VariantInit(&requestVariant[1]); ( l9 A( h2 K# q' m/ ^' h% C
requestVariant[1].vt = VT_BSTR;& n; G8 M0 N( ]+ j9 c ~. A
requestVariant[1].bstrVal = topicStr;
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4 v/ A) ?# ^7 Z1 K9 Y# E" h, d// Set the DISPPARAMS structure that holds the variant.
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4 Z. M# f o0 {) F W5 l8 Z dp2.rgvarg = requestVariant;
: p! z& H3 z! e Z% |" G dp2.cArgs = 2;8 `; o2 l! S5 B4 ]" k
dp2.rgdispidNamedArgs = NULL;
, ~8 Z5 h2 B( i5 ?8 V dp2.cNamedArgs = 0; d9 h9 a1 E% _
8 |6 q: ?3 [" D7 `& b var.vt = VT_EMPTY;8 V, P) K( H8 |6 s3 K. N
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// Call IDispatch::Invoke(), K0 [! h8 z0 z% e- D! Z
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hr = m_pDisp->Invoke( X' b/ n3 Z6 b4 y- `: ~9 Q2 f8 N6 s
requestID,5 e& ?( i& t7 P) V6 ~
IID_NULL,
+ _: M; C: l/ C& Z: C LOCALE_SYSTEM_DEFAULT,2 Y5 {# H+ i, i, f- z* Z& D3 e& M+ A
DISPATCH_METHOD,
( C5 M' B0 @+ C/ y0 | &dp2," i& j' ?5 A7 o$ c
&var, H! `$ `. R, Q' Y# v: S7 q
&ei,# B7 u8 p: V, C* x7 V
&uiErr);8 H0 a' E0 B& M: H
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SysFreeString(topicStr);( w/ B2 e( W: F! P! w- U
SysFreeString(itemStr);0 d8 ]4 r2 C) x. _1 d% _
请问该程序是获得extend里面的哪个值?
9 e: g/ T+ R! s; f6 ]; ^) q+ 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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