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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 W1 A7 L- i" D2 ]) tName = (WCHAR *) L"Poke";
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8 U" ^4 B' \8 b! v* U1 ?( w% B hr = m_pDisp->GetIDsOfNames (8 O' ~" `) ~# o: F" d0 Q6 |; F
IID_NULL, // reserved' Y6 j0 d. n% D# j" Y: b8 s
&Name, // Array of names to get IDs for0 a) {/ @6 S( o7 v! X
1, // # of names in the array
* P4 R! {! K5 s4 @+ `0 c LOCALE_SYSTEM_DEFAULT, // System locale# H; x% P7 y% T8 f% A7 X1 N6 { j
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
/ J$ A0 c" ~6 K return;
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/**************************传递数据给extend**************************************/! ~! Y2 L& j0 B( T& N1 }
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( B7 S2 M* B' b; _% A5 ^' R
9 ^# S' Y8 L* \( `( K valueStr = SysAllocString((WCHAR *) L"1232");' p! P% R# d; J$ M! C- W# M* t
VariantInit(&pokeVariant[0]);
4 M% @! n; t+ D8 U* ] pokeVariant[0].vt = VT_BSTR;$ ^) Y- Z5 E' t9 M" o, Y$ b, B; C5 p
pokeVariant[0].bstrVal = valueStr;4 \' |' U7 y8 S$ o. d1 U
: Y* ~) B4 {2 a+ f' Q3 o itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) o8 K& K& x. }% n1 k9 z
VariantInit(&pokeVariant[1]); 4 u# B) S' J* m! e9 w
pokeVariant[1].vt = VT_BSTR;6 X; W6 f* X4 I8 M5 e' X8 M
pokeVariant[1].bstrVal = itemStr;
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! q2 j, S. \+ K, g topicStr = SysAllocString((WCHAR *) L"system");
. _: F2 g" M8 h9 C& M* R4 A( ^ VariantInit(&pokeVariant[2]);
0 U2 c& n" p' b* X8 B1 @ C; V pokeVariant[2].vt = VT_BSTR;1 O1 D# N" ~6 W+ E
pokeVariant[2].bstrVal = topicStr;0 s2 @: `# b2 I! J! C" j4 N, N
. V* ^3 A* G% }0 K; a// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;; k, H$ g Q4 P- B
dp.cArgs = 3;
6 i; Q* }! w- W! R$ s. W dp.rgdispidNamedArgs = NULL;
4 C+ _% {) S3 B' L dp.cNamedArgs = 0;# K( P3 V$ W4 A9 ^
+ k2 I. E& D, o% X/ F# s3 T// Call IDispatch::Invoke()
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E4 |$ u9 J. I% ? hr = m_pDisp->Invoke(7 ]- |$ L$ m6 y
pokeID,. x. s( G1 Z. d8 F2 I. f4 r
IID_NULL,
- K+ o0 g: U; Y5 i" r LOCALE_SYSTEM_DEFAULT,$ e$ C5 r: M0 R6 T- t
DISPATCH_METHOD, c \" l" y5 O: G+ \
&dp,
9 \3 V$ H2 r% t NULL,
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&uiErr);
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& W: a4 z3 y) u1 h5 q SysFreeString(topicStr);
' y2 t, c q- p; l SysFreeString(itemStr);
( Q( P9 o7 O- R SysFreeString(valueStr);: V+ q2 f( [' i' T* p4 o
( f; v4 z0 r* U4 ~' E! j# e Q" A
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???
0 G2 h4 H y/ J4 a9 }6 M6 z0 ]0 X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+ B+ M0 d, K2 O/ Z; s) `, {
// Request a value from Extend
p1 Q" n* f, y+ y+ T( x9 }//
e/ Z; f, V& r9 e7 ?// Initialize the variant that will hold the BSTR. Set the variant's: m9 f7 g1 q4 d: N0 p5 j9 o
// type flag to indicate the fact that this variant holds a BSTR. Place the
1 ?" j y6 _: x3 L# w// 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");
8 \% e5 D( T! r: p7 V0 p% w VariantInit(&requestVariant[0]); + J1 S& a- S9 N9 v0 v1 J
requestVariant[0].vt = VT_BSTR;
h: h6 e% J- I) t requestVariant[0].bstrVal = itemStr;* K) D2 \. U$ u8 l1 v( b7 d6 C) e
4 R* Y: z; r) \. |/ z# J topicStr = SysAllocString((WCHAR *) L"system");
) g t$ n3 [4 O$ _7 E5 K VariantInit(&requestVariant[1]); # Y, L0 X: r6 {/ E! }& c
requestVariant[1].vt = VT_BSTR;
8 c% {0 j& O5 |% T! l7 q requestVariant[1].bstrVal = topicStr;+ x8 }# w7 o: P+ L8 ^) O# G
7 U0 ~0 W+ r: j; d$ k `// Set the DISPPARAMS structure that holds the variant.
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/ L- R- `9 E1 H2 Y0 X U dp2.rgvarg = requestVariant;
' B; U* x7 \! |" |% Q dp2.cArgs = 2; z6 n2 s% X3 J* l ?
dp2.rgdispidNamedArgs = NULL;
7 T/ n; D6 M$ x6 | dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;. b; s/ ^( q; \* l) m7 ~
5 n+ R! S3 C. h0 X+ K. }// Call IDispatch::Invoke()
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& {0 x7 z7 K" q hr = m_pDisp->Invoke(4 p4 X% X. ^+ k4 y. I, G6 V8 X
requestID,
3 E5 T9 D- ]1 { IID_NULL,. e! @4 r8 J% T4 h/ `- _, W
LOCALE_SYSTEM_DEFAULT,6 v! C) \; G$ |1 L0 v8 J
DISPATCH_METHOD,
; x$ P$ ^; w0 R3 { &dp2,9 \# q E3 o( w) m
&var,
8 W0 b& u- v' o/ u0 Z2 Z; h &ei,
% a8 w( m% {0 }7 `% K# {8 d: N &uiErr);. G, _& v1 g% Q2 Z" H1 R
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SysFreeString(topicStr);
2 a9 q) R! n# w* D) G' U- M! ] SysFreeString(itemStr);$ O. |; s0 V/ h/ ~8 h% Z
请问该程序是获得extend里面的哪个值?
8 m6 ^( n8 C& \" J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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