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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! v( u5 H' eName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (6 p# b) }, u, h- J& S7 Q j
IID_NULL, // reserved3 S5 s) {; S. b/ ?. Z& F; j# q
&Name, // Array of names to get IDs for
& e h# k. |2 p [- X/ G" U2 j 1, // # of names in the array8 M# F5 x) U3 f' ?5 M( {$ ?& ~
LOCALE_SYSTEM_DEFAULT, // System locale
4 D% i" t0 n( O" t/ n- f0 F+ j &pokeID); // Array of IDs to fill on output
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2 ?/ r0 ]# s, F$ p if (hr)
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4 s! c- P, X/ v/ p' _3 Y MessageBox ("Get Poke Unsuccessful");4 f) `5 D& h9 k( P2 c( W) S
return;* {3 ] r& ]. \, w! ~
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/**************************传递数据给extend**************************************/
, v$ e ~( K* A- ~ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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6 N3 Q( ]# Z- L4 o& i valueStr = SysAllocString((WCHAR *) L"1232");
# N; m* A. u/ N8 `) U0 X5 M% \* i VariantInit(&pokeVariant[0]);
! }1 Z4 D5 }. n' o5 J pokeVariant[0].vt = VT_BSTR;
: P1 L# z- v1 N+ ?. [# W# V3 g5 o pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; T" g/ h# p' p8 d3 E `+ Q
VariantInit(&pokeVariant[1]); 4 x( N1 d+ P& P8 X0 C7 Z* r
pokeVariant[1].vt = VT_BSTR;
0 k; \* D! y; P3 a6 b pokeVariant[1].bstrVal = itemStr;) X* A# Q$ [0 g5 A) x: O% Q
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topicStr = SysAllocString((WCHAR *) L"system");5 A k5 H0 H7 F1 z, `
VariantInit(&pokeVariant[2]);
6 J, {! L2 i0 i pokeVariant[2].vt = VT_BSTR;5 t0 t" U( R- ^- X% O% l; m
pokeVariant[2].bstrVal = topicStr;6 U" o5 l. B# `, x$ Y
& f& }5 t1 G0 \' n$ p8 h8 n6 ^2 t) i// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;1 f* _4 E7 h+ p5 z+ ]! y9 y
dp.cArgs = 3;9 S9 M0 G8 s$ ]; C' E# ^
dp.rgdispidNamedArgs = NULL;
, U3 g+ O, {* I, O* R dp.cNamedArgs = 0;. A+ M7 s8 s6 d* b9 R& I
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// Call IDispatch::Invoke()
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& C3 k% S. S. p; Z* G hr = m_pDisp->Invoke(3 Q# |% Z" R& ?6 l* P
pokeID,
4 c0 r, @2 {$ N. H. f, @ IID_NULL,
$ @+ s) w4 B' K, j2 l$ C# z LOCALE_SYSTEM_DEFAULT,
+ \! Y/ V/ }& l% r DISPATCH_METHOD,4 p9 `* R2 r; H7 R0 b6 `# L
&dp,& f+ m* u: S: M6 M+ j2 x
NULL,
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&uiErr);
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0 o, x4 n+ _6 m; v1 [ SysFreeString(topicStr);. D1 c: L/ }) W& V) P
SysFreeString(itemStr);
( f/ T1 M1 e& }1 \4 J SysFreeString(valueStr);
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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" ?4 P* c& f5 x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????* ~1 }3 M# N" l* A" c9 d( l! D. `
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2.这是request的程序
1 q X7 H6 Y. h5 B// Request a value from Extend
8 w' Z. X2 z3 M! F s6 s0 \//, @5 A# D9 I2 O% }2 o
// Initialize the variant that will hold the BSTR. Set the variant's
0 D4 Z, I, \* K; d; a// type flag to indicate the fact that this variant holds a BSTR. Place the
% d! D! R( E9 _' @+ y; _// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 g$ \- v1 I& }3 y, W9 }
2 T; K0 q. l, s' m# S0 r itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! O: ?2 S8 {+ e3 `; u- }' V
VariantInit(&requestVariant[0]);
; f7 U9 X6 _) l4 T9 \ requestVariant[0].vt = VT_BSTR;
/ Q8 B3 v$ {2 y requestVariant[0].bstrVal = itemStr;
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& z- r# X- @( p5 i topicStr = SysAllocString((WCHAR *) L"system");% ~+ H @7 S9 t
VariantInit(&requestVariant[1]); y, d. ~' G8 [
requestVariant[1].vt = VT_BSTR;
' e8 ~* H) L$ }0 f$ _ requestVariant[1].bstrVal = topicStr;9 Z6 r, U) r7 \6 c8 ?
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// Set the DISPPARAMS structure that holds the variant.$ j [3 B1 o$ g: L5 E& `- v, B% ?& K
- g- F* J+ S2 ?7 [ dp2.rgvarg = requestVariant;
6 ?) e) f; }/ t, Y; P1 d3 n dp2.cArgs = 2;' {' w. u" i! k3 I
dp2.rgdispidNamedArgs = NULL;9 s: L" {$ [9 j9 B0 T
dp2.cNamedArgs = 0;
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. k \& J9 S7 \8 J' m var.vt = VT_EMPTY;
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5 `$ h) O! ^7 x1 b' d1 V! k- L// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
! f2 J' [( c7 L/ M requestID,
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LOCALE_SYSTEM_DEFAULT,
$ g8 O/ {6 ?8 F( F( i$ S# a- o/ K DISPATCH_METHOD,
: F3 X% J4 d6 p5 Z &dp2,3 x/ p/ l* T. J6 e1 V$ u3 C9 \
&var,
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&uiErr);
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SysFreeString(topicStr);
' E& k j4 @( \$ g$ L* F3 @ SysFreeString(itemStr);" h6 a0 A' ]3 B
请问该程序是获得extend里面的哪个值?
1 r' o% J% G" o+ 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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