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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:
8 S+ ^5 \; ]) r8 n- D% G" t; i* O- @Name = (WCHAR *) L"Poke";1 [, v% D& S2 J5 s& w
1 [' i. j/ g5 l E, x- A+ v4 [ hr = m_pDisp->GetIDsOfNames ( ^% |4 Z t: z+ B9 y3 c7 Z
IID_NULL, // reserved( o4 L# g) m0 J4 F
&Name, // Array of names to get IDs for
6 r+ m0 p& i- Q7 d/ M* p9 ^$ a 1, // # of names in the array# ^. c: W! e% J, m1 `
LOCALE_SYSTEM_DEFAULT, // System locale
# k) H6 }/ V, X, K9 e, i! k. G* Y &pokeID); // Array of IDs to fill on output6 X% k4 a3 o- J' }" n1 R1 W$ t9 a# E" o
x& p2 B, i W" x/ w2 _2 _
if (hr)
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MessageBox ("Get Poke Unsuccessful");) ]) H0 Y" I- r3 \, M
return;
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$ T/ S. s4 K, B+ j9 j# J- t* k/**************************传递数据给extend**************************************/
! P% u5 H3 B8 F$ S" M pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);& p, D e: E7 m5 X& U: U
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valueStr = SysAllocString((WCHAR *) L"1232");
f: W$ {6 ]. u- q+ B- v VariantInit(&pokeVariant[0]); 8 N, U+ v/ q [2 q
pokeVariant[0].vt = VT_BSTR;9 [9 _2 I" \+ |/ \# c9 N6 |# Y) g
pokeVariant[0].bstrVal = valueStr;
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' _, \( l) p. I0 A. D) u6 ~8 n1 J M itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* Y: o- }/ {; F& E8 E
VariantInit(&pokeVariant[1]); 1 D5 n7 ^ j I2 W$ I
pokeVariant[1].vt = VT_BSTR;
4 _1 N1 ]4 t- n7 H0 u Z7 V/ y pokeVariant[1].bstrVal = itemStr;( v% ~8 Y) x4 A' K6 v N
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topicStr = SysAllocString((WCHAR *) L"system");
' D( t! q* R$ }9 ~9 e& m4 O VariantInit(&pokeVariant[2]); ; h/ S7 h9 u$ e6 s: ?* P
pokeVariant[2].vt = VT_BSTR;
8 o, f1 c% Y; S pokeVariant[2].bstrVal = topicStr;
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$ _) t1 h8 [$ `5 b// Set the DISPPARAMS structure that holds the variant., u: Q, F1 Q, \: V. ^- m- E
9 T& d! s$ A: w dp.rgvarg = pokeVariant;
7 O1 R% X6 b8 M# y8 m dp.cArgs = 3;
; ^: ^' k1 b7 O1 |2 w. S2 f dp.rgdispidNamedArgs = NULL;
& ~/ g4 D2 V8 p! t' Z& e dp.cNamedArgs = 0;
; A C# l9 O( I2 ^6 {
7 R! ~+ D( P! U3 r. ~) B& x// Call IDispatch::Invoke()
8 V- w/ T9 A9 L
: O/ w8 h( Q ~% w hr = m_pDisp->Invoke(, q. t4 ?% i0 M7 f9 d! |
pokeID,$ m* t" ~7 o, J8 l* k6 K4 }' e
IID_NULL,
( d# f3 d4 V4 E& a LOCALE_SYSTEM_DEFAULT,
6 ~% V5 a0 D) e u) F, p( Y* T; l DISPATCH_METHOD,+ C7 h$ s, _4 _2 b/ S( A& E
&dp,9 q2 x* ?) j0 c. ^* R Q
NULL,
+ C4 c6 O, _! h( C1 _ W* E9 J &ei,
4 j* c, W/ g, o; r p4 m: B &uiErr);4 _$ ^7 d& \- ?
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SysFreeString(topicStr);
1 }2 J8 F4 R' {& f: V" Q3 \ SysFreeString(itemStr);
# |& M2 i& Q7 M! | SysFreeString(valueStr);
; G" _ Z. w: `% l" I
6 Z2 n2 c: B6 ^$ R& u: c# b9 [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 C8 ?% e H& p* S7 C K, W
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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6 X% ~! M' E' C1 f- R8 F7 u9 w2.这是request的程序9 f; \8 K: Y( ^5 L
// Request a value from Extend
) f" @, d+ p" Q) M2 A//+ |7 t6 ~% |, C
// Initialize the variant that will hold the BSTR. Set the variant's" v0 K& L; a: b/ V: Z
// type flag to indicate the fact that this variant holds a BSTR. Place the
( ~6 v5 X3 z/ d1 c% ^// BSTR into the variant structure.: m( J) `3 F/ G9 u
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);" c2 q/ O8 X4 M' o8 E* a
( U# @8 w. J- U7 q& `5 D itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& l! n" D0 W8 v. U VariantInit(&requestVariant[0]); 1 q' j, N) d! P5 S8 e
requestVariant[0].vt = VT_BSTR;
' G M6 ]. s, r+ h0 P requestVariant[0].bstrVal = itemStr;7 q/ B7 _+ t; D3 Q" u
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topicStr = SysAllocString((WCHAR *) L"system");
; g7 Y8 _. ?* Y7 u" K0 w0 ^3 Z& d VariantInit(&requestVariant[1]);
' a, o' O3 J Z! L: s requestVariant[1].vt = VT_BSTR;
2 @7 W1 B0 B) C$ K1 w9 k requestVariant[1].bstrVal = topicStr;/ \, V$ K! B$ e0 ?; B* K$ ~& ~
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
' b- n* ]1 f) W* t/ C% G5 A: } dp2.cArgs = 2;
5 P( _2 w9 D- a dp2.rgdispidNamedArgs = NULL;
, ~& X7 O; W: @ dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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4 R/ O* R9 w: o! u- K) h) w$ G// Call IDispatch::Invoke()$ a) O4 k0 w; p' b7 Z& k8 p" g9 S
+ P) t# i1 @5 D D5 N7 @# Z9 N hr = m_pDisp->Invoke(- [, P5 @8 r7 f' d4 m
requestID,, A4 |. Y" ]* E1 P) S
IID_NULL,
) D8 f* B3 v3 I9 R% F! P$ ^ LOCALE_SYSTEM_DEFAULT,
5 R6 U2 M. ^8 h# I DISPATCH_METHOD,0 C/ K* I8 I( `- W1 e: {# N
&dp2,
k3 R, G& C* D* |" M: l &var,
/ {: N, E$ [ C( x. E7 u# r# G &ei,
6 J/ Y# U6 ^1 Y &uiErr);
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SysFreeString(topicStr);9 E5 i) \1 [: f: x) Q- U+ f) o8 h+ p
SysFreeString(itemStr);9 a3 Y8 L" c% E
请问该程序是获得extend里面的哪个值?% j) Q1 i/ i$ M9 S
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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