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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:
5 r4 I0 z5 f) Z! F0 b! z! J% r: vName = (WCHAR *) L"Poke";
$ N; H' E( V7 G4 G7 @# h0 O; ^4 ~" d 7 X, T& A" x: W: O( J/ n
hr = m_pDisp->GetIDsOfNames (
/ a0 W1 N* G) ~ IID_NULL, // reserved
0 U- P* x5 R! k8 w3 t- M( Q4 _, A% { &Name, // Array of names to get IDs for
) ~( k4 E: [0 i0 q% D( [; z 1, // # of names in the array' l4 i# I" y% v9 t
LOCALE_SYSTEM_DEFAULT, // System locale/ E4 t% O* F* Q6 |( @
&pokeID); // Array of IDs to fill on output6 E# L+ y% d, |' i0 |
) l* E2 i* O( ^ _2 M
if (hr)3 C& U0 s' @; q
{
* {& _' T7 b! S# S$ D3 e7 s MessageBox ("Get Poke Unsuccessful");
' V0 Y+ u' X! z; P return;
) w7 n' P2 P+ H4 H8 f }
/ G1 a$ g' w( L" E
# o& s' F' R9 c+ v. c/**************************传递数据给extend**************************************/) M& ?& s" _. M: ]7 k; M
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);$ Q5 P7 s5 U. ^/ \$ s/ y0 \7 b% R! o5 f
( U$ W% d, [/ W! S u
valueStr = SysAllocString((WCHAR *) L"1232");9 F, P- T8 X& v. t: u# c) ]
VariantInit(&pokeVariant[0]); . E3 R7 |8 J/ F$ B
pokeVariant[0].vt = VT_BSTR;, S" E; Z, t/ ^6 I: [; q
pokeVariant[0].bstrVal = valueStr;# L6 t& g* E) h2 }% G. `
- p9 h. r9 K1 o+ @. \* \% O- l2 A itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 o+ P4 W- k0 U$ s VariantInit(&pokeVariant[1]); " B3 d' C2 Y8 ~+ A* x( N
pokeVariant[1].vt = VT_BSTR;
4 z! P( v6 p( p* a/ @ q1 ~ pokeVariant[1].bstrVal = itemStr;2 O1 C8 i5 w6 N' G: _- c, c
8 |3 @2 \' l* x4 P: O b topicStr = SysAllocString((WCHAR *) L"system");
1 `/ B5 L+ V* n+ r VariantInit(&pokeVariant[2]);
. W( ?& o ?; J/ e pokeVariant[2].vt = VT_BSTR;
R* \0 q7 p' g2 O2 d- I( p& q pokeVariant[2].bstrVal = topicStr;; F& u; p+ U/ m# K: r( ]
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
( ~4 Q- F* h5 O; j dp.cArgs = 3;
F- |$ }4 ]2 a' A dp.rgdispidNamedArgs = NULL;" n. |* z- f& o- V
dp.cNamedArgs = 0;
) c' B% N8 Q; d& o e/ }* q$ c
* z. `" ?9 @5 e1 j! p. C// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
2 a. y; E$ i1 e/ u/ K0 y pokeID,
2 s7 U' I/ c9 T4 X2 R" n& n, C IID_NULL,
- Z- Q! r/ j0 e LOCALE_SYSTEM_DEFAULT,
5 r1 b8 x2 g( R3 T. |2 J5 }1 B DISPATCH_METHOD,' I6 e& s9 C) B& e( P
&dp,
/ s+ d* F' B0 B5 _2 P$ C& V& c NULL,& x" r/ T1 F2 r4 Y7 Z( [# v# q
&ei,; @- Y# Z7 G0 x# Q
&uiErr);
0 {+ o+ t8 s8 @. X9 o2 a. e) r2 q3 f& [$ \2 W
SysFreeString(topicStr);
% z5 N! @5 c5 k! Y SysFreeString(itemStr);
: e9 Y: t2 ?% w$ Q: b SysFreeString(valueStr);
9 d, v, B* e( Q" h% }5 p. F! C, B
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???" C, W* ?5 ]# P' V7 G
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????0 N1 C+ o6 _0 U
J3 @" Z T! o) U1 [ q( \- {- _+ R( x ?/ C& b) s' q
2.这是request的程序
2 f% |+ l6 ~! F" }' }" E// Request a value from Extend4 X3 C; }: D% B6 F0 Y! l# v. p
//
1 w$ Y5 b3 D% b3 T, y. |( ~// Initialize the variant that will hold the BSTR. Set the variant's: q, U2 o& ]+ W) T8 b/ X
// type flag to indicate the fact that this variant holds a BSTR. Place the" Y8 a+ n% x* J+ l+ P
// BSTR into the variant structure.
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. j0 W; d* G, D$ o requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 w/ C: I3 @2 H, L9 U VariantInit(&requestVariant[0]);
0 U4 g6 I7 W! f6 c8 D6 ?. [& z requestVariant[0].vt = VT_BSTR;' v; Z2 Y: g* d3 }- v
requestVariant[0].bstrVal = itemStr;
. H8 V( e( H( V8 Z7 b4 L1 Z7 l
5 s, |/ b& t2 U6 M3 b topicStr = SysAllocString((WCHAR *) L"system");
7 n" _ i6 h5 t% e# l7 L& I1 V4 z VariantInit(&requestVariant[1]);
/ D3 K- J9 S! A% A; W( l' z( F requestVariant[1].vt = VT_BSTR;
( w7 A# d4 p7 t% Z* f( R5 Z1 |6 j requestVariant[1].bstrVal = topicStr;
+ j4 d/ D) }$ q1 ~" ?7 W5 A$ g+ t: |' g8 [7 _* G2 c1 w
// Set the DISPPARAMS structure that holds the variant.1 X( @( [0 E6 C3 c3 h% s, E
* G3 `% l$ K8 L4 ^6 ` dp2.rgvarg = requestVariant;! j( Q* O6 c1 _2 s
dp2.cArgs = 2;
; w/ o- V* c/ }! g) I! e' N dp2.rgdispidNamedArgs = NULL;
+ D% l- u+ z% i2 _9 y' o) W dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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. u+ X/ t3 V. n. V' S// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
# P! i [7 [0 c) k; w* T requestID,. c7 J/ B) }8 r
IID_NULL,
/ N2 L) ]: U+ {8 y5 c LOCALE_SYSTEM_DEFAULT,; a* w2 m- ^6 ~( L& i% _
DISPATCH_METHOD,
( O* ~ V" P+ x- R; f &dp2," Z, |6 M& }* V" U
&var,
* Q4 X: s# ] ]* M &ei,
) s* ~+ h% ` ]/ |! H: j &uiErr);
9 s; b9 |8 i* f* V) K1 m, r+ ^! Q- U3 X0 S6 V
SysFreeString(topicStr);
6 V# z T$ k) c3 ^) t8 _ SysFreeString(itemStr);# s8 F1 R5 S! P5 p
请问该程序是获得extend里面的哪个值?
^- L- |6 l' v! ]9 Q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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