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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:# B. f+ ^7 m2 X# F
Name = (WCHAR *) L"Poke";
# a) o* V0 C) X6 N / k% U4 [! x( `* z; N$ U8 H
hr = m_pDisp->GetIDsOfNames (
3 W: @6 e v5 e/ W2 S IID_NULL, // reserved' i6 F! `0 L2 P+ p" J
&Name, // Array of names to get IDs for8 D4 `) Y' W& ^1 O
1, // # of names in the array
, G2 [. H( k5 a) h LOCALE_SYSTEM_DEFAULT, // System locale% j P4 Y$ O2 u6 ~' R7 t% _! Y
&pokeID); // Array of IDs to fill on output
7 ^" I: G5 R c; _& |. R# H
' I& M. `6 _5 }' H+ D if (hr). w6 k. Z1 g& t9 V! X) S6 A- T
{
# ?; F y* i2 {! C$ v; v MessageBox ("Get Poke Unsuccessful");0 u0 N4 I- C; e
return;
+ D4 S: j8 }5 Q! M# G9 Z+ ` }
# u/ W" d. P* Y" K- ~; p( t
- h6 U! ?" N# O5 ]- j* x4 F0 m/**************************传递数据给extend**************************************/
( Y6 j& O6 v+ H3 e6 ]0 k2 i pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 z! i) j* s$ U
: B6 y2 K$ D, ] valueStr = SysAllocString((WCHAR *) L"1232");, @2 O& i) d( x) _
VariantInit(&pokeVariant[0]);
1 m! j1 [ A9 n5 v2 ~8 b& K' w+ n pokeVariant[0].vt = VT_BSTR;7 @( V1 {+ j2 y& `& k7 F
pokeVariant[0].bstrVal = valueStr;
& }' v7 f$ U/ ?0 v' o
, C: C7 Y+ w, u6 _! v/ M itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" f& h ^ i L; H, K) y
VariantInit(&pokeVariant[1]);
2 ?' s* S" s g- t' H* Q, O7 g# ] pokeVariant[1].vt = VT_BSTR;
2 \, N) z% l3 }) ]- a pokeVariant[1].bstrVal = itemStr;& x* b# d7 G% {2 z! t
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topicStr = SysAllocString((WCHAR *) L"system");
U8 J4 N" O" K$ i) s) P% S* y VariantInit(&pokeVariant[2]);
# g0 q* d* X5 J% x$ b pokeVariant[2].vt = VT_BSTR;
/ X8 S5 ]; U6 A. I pokeVariant[2].bstrVal = topicStr;
! _9 L4 n7 d9 o
' I& `2 y* ~6 B# O- U// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
! R! @- \1 P+ E/ n- y3 I' b dp.cArgs = 3;
) _7 d) L0 [; D x dp.rgdispidNamedArgs = NULL;
5 B% n r p5 O9 f1 \: T: U dp.cNamedArgs = 0;
' M/ W) Q8 c# D& H
+ k8 z. ?# i$ o+ D+ n! @8 U// Call IDispatch::Invoke()
( e2 n' M! r& Q! T& B2 |4 K, P
" ^* u8 p+ E4 L8 m% o: Z- h hr = m_pDisp->Invoke(
+ B& G/ m, v8 f+ x' `4 J pokeID,; b) E; A3 ]" o2 A
IID_NULL,
6 h f) z3 [5 L% `9 n* a LOCALE_SYSTEM_DEFAULT,# C: g7 g5 p/ }3 G4 ?
DISPATCH_METHOD,/ P4 K! m( O- U* V. e7 m* k$ G1 }: b
&dp,0 a8 _# m4 j/ O: o2 J! ~8 c
NULL,! [6 D9 g: Y- ?, _. W
&ei,% T- N8 h, b& _' l# q! M
&uiErr);
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SysFreeString(topicStr);; |8 s9 t9 d& V7 N
SysFreeString(itemStr);
, E: [6 Y9 K# V1 l, h SysFreeString(valueStr);
/ W V: M4 J! [! \2 N" p" {( M) E3 h) y5 T6 z7 \
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 T( O0 ^. m, U$ v! U9 K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 R: `- A# ?" D4 F! ^1 z
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+ {) `0 Y' U* ]& H" A9 i0 O( C2.这是request的程序
9 F1 u: ~5 I+ Q* I# D5 f/ B' w/ t// Request a value from Extend
7 j7 y4 i3 ~; t7 u( u/ R//
+ {! e6 l) } |$ Q5 N8 u, ?// Initialize the variant that will hold the BSTR. Set the variant's- Y: Z* f3 B3 {2 ~3 g# K. L- f
// type flag to indicate the fact that this variant holds a BSTR. Place the
( e% [6 p/ C7 \- e* H: `9 ]// BSTR into the variant structure.
8 i$ ]) H9 [! m1 |' O) d' u5 x# U; }8 i3 s- P( Z& z! G+ J7 B
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);1 B* c) q' M- ?
: V h _' O$ O. F$ E
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 I2 O$ `3 L/ G& v3 u n
VariantInit(&requestVariant[0]);
4 }) L4 ]3 D9 ]7 ~) f0 @ requestVariant[0].vt = VT_BSTR;
}; Q9 b/ j" h g requestVariant[0].bstrVal = itemStr;3 F3 Z+ R8 k8 x5 _! O
3 U C1 e" O! J" B3 y0 _
topicStr = SysAllocString((WCHAR *) L"system");' M( S* e/ J) v
VariantInit(&requestVariant[1]); 1 ~. Y3 r# J ^/ N" P; |
requestVariant[1].vt = VT_BSTR;
. `% w# t5 [+ F6 U requestVariant[1].bstrVal = topicStr;
6 j9 s5 C0 K9 K" D* E9 n: D) F9 T8 r E" E1 R+ a1 P1 f7 Q. X
// Set the DISPPARAMS structure that holds the variant.3 P8 M" T* f' |! } |
' `4 A9 f! t* ^, ?
dp2.rgvarg = requestVariant;
8 t! k. s) F6 r: [# U! {5 M5 o dp2.cArgs = 2;, @! l4 ?8 l% Y l8 D2 u4 l
dp2.rgdispidNamedArgs = NULL;- x: w! L- N- |+ n7 g; T
dp2.cNamedArgs = 0;6 c; B8 j, d/ v! M
5 @+ Z1 S/ o( \. ~+ Z& D- G var.vt = VT_EMPTY;, e* Y; a' ^# O1 L: y4 d
: \# n. f: ?0 C; C1 c0 v- I3 k// Call IDispatch::Invoke()
, w4 x: S" f3 A1 `' A! t0 M+ |: s1 D- k/ s, R8 ~' y
hr = m_pDisp->Invoke(9 |: m! U5 n+ c
requestID," ]+ i! R5 I& k% O$ g
IID_NULL,
+ c; E3 x! D2 V( K7 i- \ LOCALE_SYSTEM_DEFAULT,
$ e8 U* G' i& ?* ]* j1 U& ?% z. f DISPATCH_METHOD,+ b+ r- c9 c8 R
&dp2,
5 V X" T$ _9 h5 t &var,% p+ y9 M- ]7 _( W8 @- z! q
&ei," I8 c9 x+ L& b& Z6 |
&uiErr);' t' c" _7 r) q9 }; i7 ^
" x5 z! F6 y0 G SysFreeString(topicStr);* T5 `0 \$ l. R1 R5 v' f, k
SysFreeString(itemStr);
& L) [5 U% w1 f! r2 P请问该程序是获得extend里面的哪个值?
& R' j( x* K# A" B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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