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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:, d7 V. Y8 u2 H- y: ]7 M( Z6 |
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (' ^! }6 S# r$ n& \! G/ B
IID_NULL, // reserved- x" ^+ M* E3 J2 J8 q0 x
&Name, // Array of names to get IDs for
: R- R4 ~: L0 H% K( ? 1, // # of names in the array- w6 V, m5 q2 k& L' P
LOCALE_SYSTEM_DEFAULT, // System locale2 ?4 ?" I6 L2 z& {0 R3 `) Q
&pokeID); // Array of IDs to fill on output( e" I2 W# O b& `& ]4 ~
" j/ T' D$ s1 X' H+ i. {7 y% m, L if (hr)
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MessageBox ("Get Poke Unsuccessful");9 d; l1 ~( _0 z9 C
return;: f9 y6 x5 t+ c4 ~
}
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; c* W, z) z; T3 W( _/**************************传递数据给extend**************************************/
' p5 u3 c2 z& |- C pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);* h5 V+ _' X6 [( U9 ]
( Q$ s$ O q: H) t1 m
valueStr = SysAllocString((WCHAR *) L"1232");
# g$ D& v, W5 L$ o VariantInit(&pokeVariant[0]);
# P' x) P* i$ ^ ?* S pokeVariant[0].vt = VT_BSTR;
/ @/ B! m! D& B0 z( a" z pokeVariant[0].bstrVal = valueStr;# b, g7 i. M; W5 ] ?) V( U4 l
$ f; \# s& J6 L9 z5 d& t! @4 A z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: x9 G/ S5 {% \$ {8 F VariantInit(&pokeVariant[1]);
% u* m. A4 T2 `+ r! |8 X pokeVariant[1].vt = VT_BSTR;9 n& f$ v$ Y7 Q: E! {
pokeVariant[1].bstrVal = itemStr;" D$ | }1 c0 k; c9 f& Q) l
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topicStr = SysAllocString((WCHAR *) L"system");
4 u* o6 F: B p, f VariantInit(&pokeVariant[2]);
: g4 r% Q. M! e7 F. M2 d# B0 ? pokeVariant[2].vt = VT_BSTR;4 {- o$ g8 u: l0 p; S# p5 Q
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.0 {- S2 V$ M- x, e# Y+ Z) {: R
$ w, t! q0 I# q2 L- u dp.rgvarg = pokeVariant;
; U* t" ~2 [1 a* R2 e dp.cArgs = 3;$ _! L0 \" J1 ]: | U R
dp.rgdispidNamedArgs = NULL;8 {' O. J3 i/ a' d8 H2 i
dp.cNamedArgs = 0;; X. \- A$ ^9 }. j! g* N. W1 V8 N( c8 f
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// Call IDispatch::Invoke(), U3 W, {1 }" m2 u* E: u
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hr = m_pDisp->Invoke(( j; X& c0 M; R* i# b
pokeID,
: S! \, d9 i0 z( p' J IID_NULL,
0 ~3 J2 o% O6 t* s" Q# B LOCALE_SYSTEM_DEFAULT,
0 z$ O, @ H* h% C' c- ^) `5 t DISPATCH_METHOD,
; Y% p* m( L+ _7 [ &dp,5 n: } P2 X9 i. e
NULL,
: x* P" ?# A- v e7 B &ei,
( Z0 H; z k3 f) ~; Z/ b- Z0 Z &uiErr);$ j# f) ?7 X4 G3 }8 F
( p. `& c3 U( w' O SysFreeString(topicStr);- E( D0 R4 v. l# [5 O, r! d: {' o8 E
SysFreeString(itemStr); N* |& ^" s( e
SysFreeString(valueStr);
" a8 A( |6 I# ]$ ]( l6 j% {+ P3 ]) E1 q+ g+ p& Z! O0 a" 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???
3 c. X( u/ q0 [; l8 p; `- ^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 N9 e9 k q; y' b2 c& g% G2 ?
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0 d% _0 \/ J8 {2 X+ A/ ]
2.这是request的程序
# `8 T ?; O7 u- {) Z// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's7 M/ m+ o# Y" ?) u' I2 b( Y
// type flag to indicate the fact that this variant holds a BSTR. Place the# N' l' y9 l Q! `6 ]! q+ r# i
// BSTR into the variant structure.
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1 }1 q" u7 J' U$ z4 |9 h! m requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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* W: K) i- B" R( W itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* c0 O, V/ p: E3 q: z; ?! i VariantInit(&requestVariant[0]); ; I# S- @$ ?0 \9 _- ^4 A6 x1 x5 `
requestVariant[0].vt = VT_BSTR;
+ F4 x4 ^; U* A2 U9 Q7 p( y requestVariant[0].bstrVal = itemStr;
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( O; L2 \% g4 a* U) O, A( Z topicStr = SysAllocString((WCHAR *) L"system");6 d, ]" L5 m& Q5 f3 R' V
VariantInit(&requestVariant[1]); ) b+ L2 n0 U. u% P+ X- z& t0 P
requestVariant[1].vt = VT_BSTR;
* E) g( @5 ^4 p/ x requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.! @9 u" a* Y: {# t
3 |7 T! f! p, Y& i5 W- s dp2.rgvarg = requestVariant;
0 L; T' @ z( H5 m: ~ dp2.cArgs = 2;! p. D2 h0 F6 s+ M" _
dp2.rgdispidNamedArgs = NULL;- Q6 i7 r' i$ ^. Y H
dp2.cNamedArgs = 0;$ f! v2 Z* B' o5 R8 f' r- d& v
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var.vt = VT_EMPTY;4 ^6 j) f' s4 W
- e' ~- N# g* X! C9 o2 F- |, J// Call IDispatch::Invoke()
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8 R2 X4 i$ ]' i0 H# B) T hr = m_pDisp->Invoke(
9 L8 p$ k2 ]4 u/ [! Z! O requestID,
: @# Q) t. i+ [' c0 N% Q$ D3 \ IID_NULL,
" m( K2 T) h4 m8 V7 u LOCALE_SYSTEM_DEFAULT,5 w0 Z' g, \; j
DISPATCH_METHOD,
) B4 h$ T8 Q! J% n/ L9 R &dp2,+ c1 n; @6 w; T' g9 h
&var,: E: r2 C& x5 A
&ei,
; A- D7 q6 i( q/ i8 e &uiErr);% `% e+ o, b. ?' J# _% P/ ]/ l/ L
* i) @; N- i, j SysFreeString(topicStr);
" u: X' x9 E3 J# M SysFreeString(itemStr);
3 v+ Y8 |) R0 j! I; I& x请问该程序是获得extend里面的哪个值?
/ D9 u% z6 S( ^5 R! D3 @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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