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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:) t, P1 U. n" H1 Z$ B! R
Name = (WCHAR *) L"Poke";
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, x: ~4 s$ Q. Q+ e hr = m_pDisp->GetIDsOfNames (9 Z# c1 Z2 Z7 c- l. G3 \3 c% Y
IID_NULL, // reserved. U* k v1 _0 j2 p* h
&Name, // Array of names to get IDs for
& M1 B# a% q2 E, a9 p2 ] 1, // # of names in the array9 G8 {% v R1 B. u
LOCALE_SYSTEM_DEFAULT, // System locale
# M+ J7 x& u' [( C &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful"); K6 V$ [+ T/ C& ^2 n& L2 t
return;
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/**************************传递数据给extend**************************************/
4 Q& R' N' A* k1 D# A pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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' V3 v4 G/ O; P8 P7 k/ s( l7 Q$ L valueStr = SysAllocString((WCHAR *) L"1232");1 \* o+ g# ^+ F9 C& b) m! |
VariantInit(&pokeVariant[0]);
4 q( V, C5 {) @) r1 W( U+ I) y# F pokeVariant[0].vt = VT_BSTR;% g- d( V* D3 Q) l/ L
pokeVariant[0].bstrVal = valueStr;* g5 n& C# l% O+ Q% ?) Y
* {: i- j g, @3 o8 Y, k itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ @% ?3 Z2 j. ?6 B VariantInit(&pokeVariant[1]); $ {/ Q8 v, k% L" M% r
pokeVariant[1].vt = VT_BSTR;
+ T. @4 \# z2 @; Z pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
0 L0 r( W) m6 y VariantInit(&pokeVariant[2]); 3 V, @' C0 e* k6 T7 U
pokeVariant[2].vt = VT_BSTR;
+ a: e2 M/ \. `9 v pokeVariant[2].bstrVal = topicStr;
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, X" @" m4 N. M. O. {- b- B// Set the DISPPARAMS structure that holds the variant., O4 q# H! Y5 [1 L2 v4 H
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dp.rgvarg = pokeVariant;; K. p- }1 e$ c4 F! G1 \% `
dp.cArgs = 3;4 X7 Y% v8 L- `/ Q
dp.rgdispidNamedArgs = NULL;* a$ [* z. v4 b {
dp.cNamedArgs = 0;3 l, s* p+ v- K! G1 n
5 C% C& R& y" Q8 Y, k9 i// Call IDispatch::Invoke()( R2 x$ h& G. Z) Z- T& I
3 [: { o9 r8 {/ T6 { hr = m_pDisp->Invoke(- Y7 Q- } |: k9 N3 h
pokeID,
' O5 G4 R! t1 [7 @. ?5 D) E( R" |- Y IID_NULL, }7 @) ]- b( A* [2 j
LOCALE_SYSTEM_DEFAULT,
1 q! Q: x5 [6 ~ m; t& H DISPATCH_METHOD, Z3 C6 w& O7 v/ [8 x- r. I
&dp,
7 j7 _5 Q, |4 L6 o/ y$ ?) s NULL,
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&uiErr);
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SysFreeString(topicStr);
5 K5 ^: _; G) h" ^+ q& o SysFreeString(itemStr);
. X* |/ s1 @% q3 b( X- H 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???
6 ?/ |- x# O4 g0 P3 _3 b7 O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5 U+ Y7 [0 L- e# n$ [- o' o: M9 L
// Request a value from Extend
, [3 G8 ^0 \4 [6 p//
4 A c4 c, h0 T8 g( |/ o, A/ S// Initialize the variant that will hold the BSTR. Set the variant's" {5 J2 b" x% l1 b3 X+ A- K
// type flag to indicate the fact that this variant holds a BSTR. Place the
0 O$ m; ]# E n1 m' \9 W* b// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 U# M* c7 `2 W( `8 H4 E3 E5 j8 ? VariantInit(&requestVariant[0]); " F: F3 T5 v/ K/ k
requestVariant[0].vt = VT_BSTR;& E" k {! V1 Q5 |7 d( a
requestVariant[0].bstrVal = itemStr;# p; G, y0 M2 l6 U, b+ ~
6 a: n; t# s, T topicStr = SysAllocString((WCHAR *) L"system");: i2 r! S Z* b6 D5 @
VariantInit(&requestVariant[1]); 6 o. Q/ K8 W' G% w! G
requestVariant[1].vt = VT_BSTR;
8 W4 m3 u0 @- v/ b# C, i requestVariant[1].bstrVal = topicStr;; Y; ~5 s; \4 R |: g
3 |8 {: B5 d6 L# A// Set the DISPPARAMS structure that holds the variant.+ u9 ~6 G4 |3 {3 ]) j' w, Z
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dp2.rgvarg = requestVariant;
' B( R2 g* H! g6 S4 _, A4 ? dp2.cArgs = 2;
0 c3 s0 m) E, Y6 o dp2.rgdispidNamedArgs = NULL;
# f$ {. D# E: d" L, ? dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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% t! h, p( M, ]// Call IDispatch::Invoke() e; `0 J0 z' b1 p! x; d
6 x+ T6 }, a! O& p( N2 O' g6 z hr = m_pDisp->Invoke(
5 i! q( e" }) x$ A5 N& w3 Z requestID,1 G# }: K! F& V7 x$ u8 ~
IID_NULL,
, J5 z* j& w. s3 f& k LOCALE_SYSTEM_DEFAULT,4 w( l: ?! G, C( B: u3 M
DISPATCH_METHOD,
( ?5 |: N) k- n3 ?' F3 { &dp2,6 x8 {! z5 M0 Q: \3 r( y$ A/ a
&var,+ H. ~8 i/ K4 v- d5 Q* x
&ei,9 H4 t% l8 W$ T7 Q5 Q
&uiErr);
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SysFreeString(topicStr);
5 c5 f* b0 x+ D- j# I& W& P& ]' [ SysFreeString(itemStr);& D* Y( X& h* x* @$ K( } R. h
请问该程序是获得extend里面的哪个值?* U) b( i# ]0 Q: S2 E; W6 o
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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