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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:
6 i+ s" ^+ V8 nName = (WCHAR *) L"Poke";& E4 N" @8 B7 Q% `0 F5 Y
) U* A+ f; Q: M: s9 T hr = m_pDisp->GetIDsOfNames (6 Q) P4 k: G, S$ ?+ u
IID_NULL, // reserved' `1 m) d# P" Y2 t0 {7 y0 v4 Y4 E
&Name, // Array of names to get IDs for2 V' ~( l. C3 w& n8 B: {
1, // # of names in the array9 }% w% e% l1 |* b+ x+ V/ n& J
LOCALE_SYSTEM_DEFAULT, // System locale! J, O& x7 v9 ]( F4 i) |$ \
&pokeID); // Array of IDs to fill on output
( i- a$ x5 f& I
0 y* c N2 C2 j/ }/ Y. h if (hr), ]; K% x$ A1 Z; {% }2 K
{
5 a: c b7 G' w) a/ C2 d* G MessageBox ("Get Poke Unsuccessful");5 g. M8 R2 J5 A
return;
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/**************************传递数据给extend**************************************/+ b( a) u6 `0 A$ E
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
+ ^7 i, A/ D* S0 a' X( H
% j, g8 I& z1 u+ n- F valueStr = SysAllocString((WCHAR *) L"1232");; Q4 A+ _8 v3 {
VariantInit(&pokeVariant[0]); & [' U0 n( ~" e+ n2 Y
pokeVariant[0].vt = VT_BSTR;* `2 R; ]; A9 `" ^- Y/ K& T
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");& f; I O" e8 E
VariantInit(&pokeVariant[1]); 0 q* z9 U$ _; F2 X$ t: t
pokeVariant[1].vt = VT_BSTR;8 s5 @" _8 J0 d7 G. ^; z6 A
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");, b, V6 ], O; v0 H' ]3 N3 `
VariantInit(&pokeVariant[2]);
5 R; X5 I0 ~+ b pokeVariant[2].vt = VT_BSTR;$ {9 H9 Z+ [- R W: I: t
pokeVariant[2].bstrVal = topicStr;8 F4 W7 y( J+ B: G; T
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// Set the DISPPARAMS structure that holds the variant.
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! ^/ l. N0 y: ?) a# [; O dp.rgvarg = pokeVariant;. }6 K! o& c, T& `7 b0 o3 W, V
dp.cArgs = 3;
4 D. X; R) ]; x& i/ m' c* y( L) ] dp.rgdispidNamedArgs = NULL;
c5 Z' R% I( Z dp.cNamedArgs = 0;6 H$ F$ N, g. O
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// Call IDispatch::Invoke()! }* w8 M, e Z: p. X% l& U
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hr = m_pDisp->Invoke(
. g( { S; a i$ J T% m6 X pokeID," h* W8 w! m2 k" c3 C V; j
IID_NULL,
. d( y/ U. U8 H. ]! [ LOCALE_SYSTEM_DEFAULT,/ d% P2 L6 P% |( U( A& |" u7 }
DISPATCH_METHOD,4 B; ]; R# d: X: i9 M
&dp,
7 E, X3 a ~4 d NULL,% g- h! m9 }/ Q5 G
&ei,2 B2 g; h. p ^: g: \$ L' o& k5 o
&uiErr);. H F8 n; G! V5 M+ g7 L
1 d1 C$ ]9 V+ C8 W! E. [
SysFreeString(topicStr);2 O) f& ? u4 |* z) Z- c
SysFreeString(itemStr);$ c$ s& V) _0 r$ c% {$ [3 S/ n2 X
SysFreeString(valueStr);
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' W; C1 A1 c2 ]0 V/ T% C0 u& q; ^! {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???% |/ d: ?, P B$ R& a9 Y/ |
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????9 {0 x B v' J# }# U! B
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2.这是request的程序
2 F* w5 Q+ H; C1 ~- R// Request a value from Extend" a! r! M) T- t- ?$ x: {. i
//
! k7 [( `' Y i+ J. \// Initialize the variant that will hold the BSTR. Set the variant's% r4 ?8 A+ @) x0 ?& V# M2 i% z/ G$ O
// type flag to indicate the fact that this variant holds a BSTR. Place the
1 a5 @# G& m _) p// BSTR into the variant structure./ G3 {( y" U* ^ g, N$ K+ f" e
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 y) P& W1 |" E! ]/ Q$ H
+ D' U& T+ a; Q8 k, M3 }/ o$ F0 [ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 m: T; }9 n+ q k9 [7 }) `
VariantInit(&requestVariant[0]);
, A( @( b+ I- n requestVariant[0].vt = VT_BSTR;
5 D5 ?, ?/ Y8 d4 v/ u# t requestVariant[0].bstrVal = itemStr;" h+ P- n! a. h
- e! X' Q6 L8 o9 o( U( G; `5 L: G# W topicStr = SysAllocString((WCHAR *) L"system"); V! _3 @/ @& q
VariantInit(&requestVariant[1]); 3 p% a+ \; |! \( m$ a! U
requestVariant[1].vt = VT_BSTR;3 p/ v0 \4 N- R0 W1 {, T
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
& c5 x6 c: O: T4 P' M, W: N dp2.cArgs = 2;
: L6 @9 q" z, D2 M+ M4 e4 X dp2.rgdispidNamedArgs = NULL;8 d& y4 l% N" C ^) w9 a
dp2.cNamedArgs = 0;+ q' U( K. ~- c' T
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var.vt = VT_EMPTY;# d9 g% d1 u; x2 c, x) Y, x; ^; g
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// Call IDispatch::Invoke()/ k2 R* ]; B7 i/ h0 L( t
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hr = m_pDisp->Invoke(- \9 Q( u. k0 T( W$ i
requestID,$ v8 \! G4 _1 M! `
IID_NULL,
; e7 Z. v2 f# Q# h' B6 [ LOCALE_SYSTEM_DEFAULT,+ K) R& ?3 m* K/ @7 \9 i0 v
DISPATCH_METHOD,7 n# I2 j) F" Z# V+ v6 M% r
&dp2,5 F$ v& K( y% d" ?) l1 [
&var,
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&uiErr);! c- g) S" Y1 }8 A
( C1 N$ s5 {5 p! X' J9 M b. n! l SysFreeString(topicStr);4 a& F! k5 p( a5 E& U
SysFreeString(itemStr);
# j3 {8 @- _* }( a( z请问该程序是获得extend里面的哪个值?3 ?5 ~. ~, c0 f# h: K( I
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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