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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:
) j4 Z7 ?4 b/ j9 XName = (WCHAR *) L"Poke";( F8 q8 Q! h9 E, P; X$ r
7 K: m; D% z/ F! i$ T hr = m_pDisp->GetIDsOfNames (
9 m8 K5 o" O6 } IID_NULL, // reserved1 H* u6 s6 \! J: A3 ~3 g* @
&Name, // Array of names to get IDs for3 ^3 y7 k9 [0 c4 N0 n1 o
1, // # of names in the array
0 u1 o6 x( |4 x0 R2 U8 j5 \ LOCALE_SYSTEM_DEFAULT, // System locale
- i) o0 U, S3 S* o) w &pokeID); // Array of IDs to fill on output
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; b- K6 L" [( p( ]! ? if (hr)
7 c" O( w- T$ {% l- D {
. \. F: E$ k& j7 C+ s2 [ MessageBox ("Get Poke Unsuccessful");6 B/ A* I2 M4 l+ S1 S9 q
return;
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/**************************传递数据给extend**************************************/
# o* O, ^2 H8 q. m pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");; |% K7 p. b( G! p2 X* P9 l
VariantInit(&pokeVariant[0]);
/ Z6 {' E$ x; |7 O; X. ] pokeVariant[0].vt = VT_BSTR;8 Y/ K* I3 s# k5 L
pokeVariant[0].bstrVal = valueStr;) p4 A* c2 k! i0 f& }9 M: c% h/ `; p
6 A9 n1 k8 l1 u$ p itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- i3 T& k5 R: ^2 ~! [$ ~ @) H/ u! x
VariantInit(&pokeVariant[1]); . w- L; f0 d3 o
pokeVariant[1].vt = VT_BSTR;
/ k' w$ [4 F3 \, y pokeVariant[1].bstrVal = itemStr;, d( y% A& X8 C+ Z P
6 ^9 l# h% w0 ] topicStr = SysAllocString((WCHAR *) L"system");
' B7 Q" `' H) m( @7 ]' e3 n VariantInit(&pokeVariant[2]);
+ ^! V+ f/ K, x5 l1 r1 M$ m pokeVariant[2].vt = VT_BSTR;) J& ?3 N- c0 K; K \2 Q6 |( G0 `
pokeVariant[2].bstrVal = topicStr;
! |4 Q2 x/ q- K9 c2 @+ ?5 U
8 a1 Y% a7 L2 U4 Q1 Y. A1 C// Set the DISPPARAMS structure that holds the variant.' ^- g. y6 Y# T- v9 A
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dp.rgvarg = pokeVariant;
8 O& b0 E- H6 ^7 U9 U dp.cArgs = 3;; z6 _% [1 k1 [% W% y& A3 N
dp.rgdispidNamedArgs = NULL;& J5 J' m w' E4 {( l
dp.cNamedArgs = 0;5 e; E1 J P+ A; L* @: v+ s
' m4 I8 }0 Z& t1 H1 `
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
* R+ c9 ?7 d8 W pokeID,( _; E" P* J- j7 ]: S
IID_NULL,: V# T6 ]4 z! N; n: T4 Y
LOCALE_SYSTEM_DEFAULT,
. A: p9 N* b6 y! o3 j+ C DISPATCH_METHOD,$ H, ?8 m$ n+ C9 h9 E
&dp,% p- F! n+ [" E8 r- b3 E4 Q$ t
NULL,
4 J+ b' [! N$ J# _6 O, B! D &ei,
: w: T, l) B' H* e( u" z- I &uiErr);% o1 g, b; f, F; ~0 L
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SysFreeString(topicStr);
8 A0 P. o& c/ e% N& L4 B- b SysFreeString(itemStr);
, |8 n8 \* z. P. S) b7 W SysFreeString(valueStr); B2 q1 }/ n, {' A% M! b0 }
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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???
) t/ u" q6 n) e( D' }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????% |- p& P0 L* N" Q7 {5 j7 o0 V) R
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2.这是request的程序0 g% k' l* F+ p1 |' Z0 e
// Request a value from Extend8 }$ o$ e. a4 I$ f- U$ x
//
6 O3 m7 D5 K4 D7 z7 \9 P* y# H" u// Initialize the variant that will hold the BSTR. Set the variant's
: c. y* P0 T5 y6 J: B' W- ]" c7 G// type flag to indicate the fact that this variant holds a BSTR. Place the( | H7 A1 }5 r9 j4 ^* P3 Z
// BSTR into the variant structure.5 w: ?+ l1 @3 K/ k* z
$ [2 ?8 Q" x& C1 F. l" f" X( L requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! n% s0 b9 h, U* m1 a! T VariantInit(&requestVariant[0]); ! ^+ a) X6 J' }; Q5 X
requestVariant[0].vt = VT_BSTR;
& V$ A9 v5 z5 p- w5 J/ d/ z requestVariant[0].bstrVal = itemStr;
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: }8 y; d9 }& h% C9 O9 P! H topicStr = SysAllocString((WCHAR *) L"system");: T/ ], Z; \% a h0 l2 c0 S
VariantInit(&requestVariant[1]);
) U; Y3 `7 ]( v requestVariant[1].vt = VT_BSTR;1 t: A5 P# l) d& k1 n" s" t/ \& ^
requestVariant[1].bstrVal = topicStr;
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$ b" s1 J9 f' D& e# H// Set the DISPPARAMS structure that holds the variant.
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$ I8 m& v, T4 G, J' ~+ b dp2.rgvarg = requestVariant;
" A2 n; U5 X! w5 d dp2.cArgs = 2;8 T/ U& p( \: P3 u
dp2.rgdispidNamedArgs = NULL;3 b- d$ N( Q$ E% ]5 o: [9 C
dp2.cNamedArgs = 0;- j$ ?9 a6 L% u$ u3 C8 G
) n" @& i9 c2 w3 c8 Q5 q5 b# E var.vt = VT_EMPTY;# p4 `0 n7 p4 p6 c5 K# |! i
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
5 g% _% d$ _7 }* C requestID,
+ U# T, {+ h+ v s IID_NULL,% R3 M- K. ]$ ]7 Q1 n! k/ ^
LOCALE_SYSTEM_DEFAULT,, X& w5 K) _5 X2 r) e
DISPATCH_METHOD,
5 d# h" f3 \# f7 a& v &dp2,6 g8 ~2 y4 X' C3 Q
&var,
, S6 E! m& Y2 }2 e, n &ei,3 @+ j( j( X y* N5 y
&uiErr);
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! I/ e* q4 C( X4 W0 @ SysFreeString(topicStr);
( w$ H+ {) b" B7 l0 V7 \' h SysFreeString(itemStr);( ?7 O" O H4 R, U, L+ @ @1 J
请问该程序是获得extend里面的哪个值?
8 O& @( ^6 K/ o- m* 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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