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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 u9 S) y( C4 B; C9 O, U& @Name = (WCHAR *) L"Poke";
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7 m1 M7 o4 H* l7 W& Z- g hr = m_pDisp->GetIDsOfNames (/ K& t4 F2 t& [/ b
IID_NULL, // reserved
p. \9 k; w8 I0 |/ G( m8 @ &Name, // Array of names to get IDs for
6 \% p$ b+ S1 P( u" C7 f$ \3 h 1, // # of names in the array) k$ B7 ?/ s. n( V1 h2 ~
LOCALE_SYSTEM_DEFAULT, // System locale- c4 X' L z& u4 a
&pokeID); // Array of IDs to fill on output7 \- N! Q5 ^4 }! C1 I% o
5 }. }( x) T' b* x if (hr)6 I0 E- v4 U4 C
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MessageBox ("Get Poke Unsuccessful");- f& ?' m! Z# d
return;
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# l" R; F5 f8 A) I* X/**************************传递数据给extend**************************************/
; g: L" F, S" ?* ~+ R% B pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");5 d- L8 W8 C" M1 }: r- C# ?
VariantInit(&pokeVariant[0]); 7 P2 s- n/ @7 ~, G6 u: m. i8 j7 k
pokeVariant[0].vt = VT_BSTR;
3 G% u- O+ v2 x9 s3 l! X( @ pokeVariant[0].bstrVal = valueStr;6 w0 B* e- Q" L3 a
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 x9 i* D/ G5 B, d2 g# N' u' V VariantInit(&pokeVariant[1]); ( T( r. j& m- Y0 H5 g
pokeVariant[1].vt = VT_BSTR;& y" ]8 A0 y3 Z9 X6 X
pokeVariant[1].bstrVal = itemStr;
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G" j8 e6 O8 T9 [ topicStr = SysAllocString((WCHAR *) L"system");8 z/ {9 R+ e2 i! v2 Y8 e
VariantInit(&pokeVariant[2]); 3 R: B1 s' Q/ {# M
pokeVariant[2].vt = VT_BSTR;
2 I! g& L! K$ u9 J0 c1 b$ d pokeVariant[2].bstrVal = topicStr;
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' ^/ J0 T/ c+ T* A6 T// Set the DISPPARAMS structure that holds the variant.; r" g. T) e( S4 w; \
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dp.rgvarg = pokeVariant;
* }+ ]6 D- F% w dp.cArgs = 3;
' x# I# s9 y2 p8 @" [& T dp.rgdispidNamedArgs = NULL;
( T) X0 g: S" F" ~- W dp.cNamedArgs = 0;9 o/ P% _ b' l1 r
' C2 a: g3 T' l$ i7 i// Call IDispatch::Invoke()( v/ U1 a3 d# m9 L8 |+ C. ~* R
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hr = m_pDisp->Invoke(# |, C! c. ]2 A0 m
pokeID,, g3 v5 V d' d* `7 {* E
IID_NULL,- g' L. F' o6 l
LOCALE_SYSTEM_DEFAULT,
( \2 p( @2 Y3 J2 E+ k DISPATCH_METHOD,
, x' M% k: ~& E4 [; a% Q &dp,
0 G8 A% S$ ^6 W+ @% D8 L NULL,0 `; w: ]) P# ]8 S
&ei,: T9 \% \" Y6 h3 C6 B6 K& D
&uiErr);
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* m4 C: }5 B0 V7 ?) _ SysFreeString(topicStr);
1 m6 L& `3 t2 V7 i" I+ q9 R5 E SysFreeString(itemStr);, J0 K$ Z) J2 m" A
SysFreeString(valueStr);$ d s! r4 n# h B. d$ V
$ q+ I; O9 c& Q9 X
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???* Z6 ^# h. ^) {% B/ i$ e
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????7 t a* W9 e0 ]" L
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J+ [0 v1 d" s2.这是request的程序) O) l) \1 ?9 a* G( s; N& `* b
// Request a value from Extend
/ t9 r1 y, w& y' S. R8 ^//
1 p# v$ l2 S$ ]7 m3 z G// Initialize the variant that will hold the BSTR. Set the variant's
( X, {; Y1 Q5 _% }// type flag to indicate the fact that this variant holds a BSTR. Place the
! a4 |9 ]4 r1 Z8 o, s( ^3 x// BSTR into the variant structure.3 V2 e- s5 k0 Q/ W+ d, e
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- a) Y5 {9 r. p! l! X% a- l" c" r VariantInit(&requestVariant[0]);
- Y6 ~ g& o# ?+ a+ b* l% _ requestVariant[0].vt = VT_BSTR;/ E0 k/ k6 ]) _5 W+ ?, T, c
requestVariant[0].bstrVal = itemStr;- d) \! N( T5 W/ H- l6 m8 z$ D8 G
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topicStr = SysAllocString((WCHAR *) L"system");1 T0 j3 ~2 Z" f8 b5 X
VariantInit(&requestVariant[1]);
! `$ C! b! M2 L& k requestVariant[1].vt = VT_BSTR;( w0 d5 ]3 M# N9 _9 D
requestVariant[1].bstrVal = topicStr;
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% B6 O$ X: y4 t8 r' X9 `// Set the DISPPARAMS structure that holds the variant.* t3 s* `& U. s, ^
$ q5 O8 f6 ^$ ^: ^& m0 [ dp2.rgvarg = requestVariant;: N$ Q. @2 @, P
dp2.cArgs = 2;' t3 g0 _+ o. l6 U
dp2.rgdispidNamedArgs = NULL;
4 }- \3 J. R8 A9 H dp2.cNamedArgs = 0;$ O/ n) H& |, F# I
" j" u, W- O: W% n var.vt = VT_EMPTY;
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) H$ j8 ? {& j! c// Call IDispatch::Invoke()
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; ?" \/ F7 W) b' e1 f hr = m_pDisp->Invoke(
( X# |# |/ m1 ~& j. a5 {) U$ k* \ requestID,
7 ]% W5 F. s0 J$ q6 }! V$ d7 t5 T IID_NULL,* \ p3 F/ I* l+ _; h% H+ ^
LOCALE_SYSTEM_DEFAULT,
8 L+ v2 P( E& m( K/ p1 L DISPATCH_METHOD,
8 o4 n# E$ ~% [5 W( ^0 C &dp2,
5 G, D N1 M( P5 o- L2 V &var,
, Q0 `4 V- C8 B1 i9 |; F, D/ j) E &ei,7 h/ l! Y. d- k" x- C' V/ Q( ~
&uiErr);
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SysFreeString(topicStr);. i. O; K% h" K/ X* }
SysFreeString(itemStr);
* @9 W( t; J$ P- F0 {, f! o请问该程序是获得extend里面的哪个值?/ u$ u; |7 s. P4 G# Q: u
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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