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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:' ]% A0 B3 G% o# ^2 T2 Y3 S2 P
Name = (WCHAR *) L"Poke";% `8 V0 k% k$ k% n X" i) A/ t% `
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hr = m_pDisp->GetIDsOfNames (3 S; k1 v# t& @2 @$ p' V" o/ X$ r
IID_NULL, // reserved
* c$ b* I' t" @& {2 f" H &Name, // Array of names to get IDs for
2 _. h O; N1 f1 R& w) z9 @) {+ ? 1, // # of names in the array
- P; K1 Z- K o8 q- e8 y/ | LOCALE_SYSTEM_DEFAULT, // System locale
" U1 ]/ g$ ?# k" n2 a6 f* j5 P7 a &pokeID); // Array of IDs to fill on output
/ Y( o0 U- l0 y- u3 { 7 E3 x9 t! `( c; a2 [+ D8 T3 y/ `
if (hr)2 @4 a) y9 k! O6 f3 t
{
+ _& @, Z+ ?7 ?6 F, R- J8 c MessageBox ("Get Poke Unsuccessful");
: i7 z- S' P9 ~6 H1 q( W return;* ^1 B; N1 o: O( x; {+ a: B
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+ e, T5 J7 Z; _8 d/**************************传递数据给extend**************************************/, p! g, b8 W; {2 {- o6 N, {
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);" v$ n# Q9 D+ G; _; p7 [1 E
* ]# P: M" e) b$ L valueStr = SysAllocString((WCHAR *) L"1232");6 _- }* R3 j( G2 S6 B
VariantInit(&pokeVariant[0]); $ ^, F" \% L0 R2 J9 P
pokeVariant[0].vt = VT_BSTR;
n, j1 ~) R6 i, q pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 {2 ]. G# O i0 i% V0 o
VariantInit(&pokeVariant[1]);
% e, e5 t6 T: x+ ?1 ~ f! g9 L pokeVariant[1].vt = VT_BSTR;
+ P' B. |( U* @, \6 }$ W) m0 G pokeVariant[1].bstrVal = itemStr;9 ~3 `% K }5 \$ o2 G# b/ K
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topicStr = SysAllocString((WCHAR *) L"system");! y" p v0 }) W0 s" ~5 f
VariantInit(&pokeVariant[2]); 7 N, u5 S m/ p
pokeVariant[2].vt = VT_BSTR;& x. u( h+ _5 L" H1 j% ^; e
pokeVariant[2].bstrVal = topicStr;! h+ D; q/ b3 H
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// Set the DISPPARAMS structure that holds the variant.
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4 P) N7 t- f' p4 H6 G dp.rgvarg = pokeVariant;
0 j1 } |* N6 N, T3 P- T% k/ f$ {2 h dp.cArgs = 3;
7 V7 x. M# Z* }3 O: k dp.rgdispidNamedArgs = NULL;
4 H9 i8 ~5 w% S. Q5 X- `% { dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()2 {9 G* [5 S6 R( O% ^
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hr = m_pDisp->Invoke(! S1 k4 D7 p* [5 T; W. v4 \
pokeID,
8 p. m& s- q a# Q4 B; t9 H2 u( L IID_NULL,% ?- D' R6 i, c
LOCALE_SYSTEM_DEFAULT,$ b/ o) e0 I3 j. B
DISPATCH_METHOD,8 D+ T- l" X; X5 t& v
&dp,
8 f( R0 q( b! w. K1 E NULL,
! }/ x% K6 m, a7 p8 I0 t3 x &ei,' a" u7 @8 V" S: [# n" f9 B
&uiErr);
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SysFreeString(topicStr);/ O+ ?! }+ x/ j2 b9 w1 W0 V
SysFreeString(itemStr);1 d+ E. o6 s0 z3 P9 g7 c
SysFreeString(valueStr);
+ S: V# W' [ s1 X& l0 S, @. F& L1 F6 U" }/ l9 m l$ r: r
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 b( r5 I: q
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2 }+ N3 m, `* t& U
// Request a value from Extend0 T3 J, \8 D! T1 X2 r' z3 d/ F
//* W6 B* v" d3 ^) W9 _0 u5 W
// Initialize the variant that will hold the BSTR. Set the variant's
b1 D; f6 X5 s2 H// type flag to indicate the fact that this variant holds a BSTR. Place the% m% y% E/ j# C3 B
// BSTR into the variant structure.
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1 Q9 ^1 X, n% e9 u2 r" T' S8 h, @ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
* k' d. Z" e% w+ m0 g- ~
1 K9 y t( j% a8 I itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 W: G ?( e+ g2 t; |4 \
VariantInit(&requestVariant[0]); ! A, \5 M% s- D( C- M. |+ X, j
requestVariant[0].vt = VT_BSTR;9 z; N3 c- _+ u( R) [1 c2 P4 w" A
requestVariant[0].bstrVal = itemStr;% d6 I' Q8 f4 ^: x
& S# x3 x/ B: \) U# M! r
topicStr = SysAllocString((WCHAR *) L"system");
: j; B, U5 @* d/ m4 u/ S; t VariantInit(&requestVariant[1]);
/ U/ n4 d" d1 x& ~. | requestVariant[1].vt = VT_BSTR;0 S+ s) R3 X, D: @% H5 ?5 d5 J* n7 Q
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;% X' J% u- b. j0 [4 l* t; M+ p
dp2.cArgs = 2;) v3 R7 m. p5 u4 O
dp2.rgdispidNamedArgs = NULL;0 T8 I6 O. i8 K/ e v" R. {
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
% G, Y# Z1 q2 l0 T: a: w requestID,
& e% d2 @. S4 ^! G; s4 P5 a2 l IID_NULL,
i! `6 m7 \6 |% C LOCALE_SYSTEM_DEFAULT,
) O3 P( e& D! w) p4 V DISPATCH_METHOD,* S7 m! P" ~8 z! R, f
&dp2,
`) R/ t' n( x &var,
9 Z% \3 J8 G7 ~) w% f &ei,& X6 J; b3 i* y+ ?6 W% l
&uiErr);5 E$ S, ?9 T2 i
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SysFreeString(topicStr);
- `1 ?* B" ^! j2 L, M) y7 R a. _ SysFreeString(itemStr);
5 _: A2 {& x" S5 a: T请问该程序是获得extend里面的哪个值?
( J9 x2 E: M [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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