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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:9 e9 O' T3 h+ c( _
Name = (WCHAR *) L"Poke";
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9 e: q$ Y4 S3 l hr = m_pDisp->GetIDsOfNames (. C8 q9 c! y, P' w$ W2 L
IID_NULL, // reserved1 i$ J" N8 Z# d6 S5 L& C# H& t1 _0 j0 n! I
&Name, // Array of names to get IDs for) \, |: y. d$ N- y# D, j/ j3 w0 R
1, // # of names in the array7 h8 A7 a! q9 O: z8 J0 W: U. O8 A
LOCALE_SYSTEM_DEFAULT, // System locale* a' m$ n! ^. g
&pokeID); // Array of IDs to fill on output
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if (hr)3 X, ^. w# b! E4 s9 @( U& V& P; w
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MessageBox ("Get Poke Unsuccessful");7 i& G; a" e. d a3 T
return;
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/**************************传递数据给extend**************************************/# B" f7 K* E4 h2 \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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" l) F7 N- L W' `+ _ `$ x valueStr = SysAllocString((WCHAR *) L"1232");& X [4 @0 ^# } L2 o5 k
VariantInit(&pokeVariant[0]); $ F" {0 S5 S9 L; q
pokeVariant[0].vt = VT_BSTR;
3 F, J7 L/ b" _! c6 Z pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 @9 g8 q) u( w' M! |5 }
VariantInit(&pokeVariant[1]);
/ q- U( d' p: Q$ U7 ?5 J pokeVariant[1].vt = VT_BSTR;
: [& Z7 P. Y0 g% b# E/ @5 P pokeVariant[1].bstrVal = itemStr;
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: i; s# C: M: C3 D }7 @ topicStr = SysAllocString((WCHAR *) L"system");7 D! m. ]' M1 ~6 D( {: J- c
VariantInit(&pokeVariant[2]); * G# I8 g/ m) v. e
pokeVariant[2].vt = VT_BSTR;6 T7 [7 Q5 H( K3 y: v
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
1 a# c) b- S4 H6 z- \ dp.cArgs = 3;
9 U* d' H6 F K7 X% _ @ `$ ` dp.rgdispidNamedArgs = NULL;
) ^( i% t# ^9 n# C dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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8 @( @- i; v1 b+ Y# e, x hr = m_pDisp->Invoke( e' _# b. s, o* g0 v
pokeID,7 k+ w( n5 ^, `( o
IID_NULL,
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DISPATCH_METHOD,% p3 x$ n# q- A7 W5 R! U
&dp,: ^4 Y& C: ?7 e' P4 f2 o9 g" O% c
NULL,
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&uiErr);1 j2 {9 A. t" A* K q6 b' x
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SysFreeString(topicStr);9 N. g; l0 K/ y# z9 b1 `
SysFreeString(itemStr);+ o; j- N3 _3 } I( {0 H2 t$ Z
SysFreeString(valueStr);
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/ \/ b8 m9 m; |3 g# G5 H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???
' y. z( S" z9 U/ s) f V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0 b) |5 G# X" T4 H
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
# g% V' {2 ^! c// type flag to indicate the fact that this variant holds a BSTR. Place the
$ [" h) K- e5 W3 P1 U// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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8 u2 g4 ^1 c( b1 M( v' j, Y [3 B itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 b+ m% S5 t; b# Z8 r' t VariantInit(&requestVariant[0]); ( S5 i: Q/ o& n! l& U0 g+ Q
requestVariant[0].vt = VT_BSTR;* W; ]1 ^& `$ H0 @
requestVariant[0].bstrVal = itemStr;; v+ V. C; z& T7 `2 r5 i
4 }) m" B, f' ?- j$ w$ T7 B$ _7 { topicStr = SysAllocString((WCHAR *) L"system");' s! K3 r" V0 M8 [- L$ j: D
VariantInit(&requestVariant[1]); ! G5 N* b3 L4 {+ A! D/ d
requestVariant[1].vt = VT_BSTR;& [5 B- Y9 A+ R9 W: `+ h
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;) U6 \5 ~- a, m/ Y
dp2.cArgs = 2;
" H0 Z5 ?' t( T5 z/ v& \" c dp2.rgdispidNamedArgs = NULL;
/ @# Y; o: ~: C0 A; E dp2.cNamedArgs = 0;3 j3 V" Y! r* |* q# j$ V
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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. y3 A7 I& S! F! u" B) N! S% O, {/ | hr = m_pDisp->Invoke(
* M" z: F) S. @8 o5 B) G& T- | requestID,( c; d; M$ L* T# O
IID_NULL,
" T+ F9 O( u" y; g/ ^ LOCALE_SYSTEM_DEFAULT,# v0 x: K |; u2 b4 \$ x
DISPATCH_METHOD,4 _4 u* z' K6 r* t- x: F" X9 a$ |
&dp2,3 @7 T/ n8 R8 Y; u: W) ]
&var, I. V( Q' S3 \8 @1 Z1 `, A
&ei,
0 m% \5 x% h* l/ Y8 K &uiErr);: N' [6 V- F$ L2 B# Z: g, [* n% {
$ Q$ G- Z: x( ] SysFreeString(topicStr);
0 S. M2 y8 p9 A& U( o$ _' a8 } SysFreeString(itemStr);4 H2 X( S Z+ {: a; | Y$ [
请问该程序是获得extend里面的哪个值?
3 ?. c9 V4 f& Z* h, K9 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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