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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:2 Z; J) ~1 V7 y
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
' O* \. G s- L' }0 x1 @) X+ Q* ] IID_NULL, // reserved% I9 F- }+ u& n( s" N
&Name, // Array of names to get IDs for
; L. t" @1 `, Y, W9 I% r- ~ 1, // # of names in the array
1 E+ Q {- }9 S' W" Z9 t% F LOCALE_SYSTEM_DEFAULT, // System locale
, C0 i! M; J! }- Y, t &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
' ?6 T! R$ y( ~1 ~4 o/ ^ return;
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/**************************传递数据给extend**************************************/
6 V& i6 a) S9 a! A6 C' w) P pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);+ O) E7 R+ h' k9 |
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valueStr = SysAllocString((WCHAR *) L"1232");
: w0 a6 u" ^4 r( `/ H7 U: y) J( k VariantInit(&pokeVariant[0]); ! K$ |1 ?( k* l8 ^* X
pokeVariant[0].vt = VT_BSTR;! T. `/ ^7 R. O2 l- H5 R+ r
pokeVariant[0].bstrVal = valueStr;3 C" c1 q& n, M9 s
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: h4 o9 O7 S9 [ s' `- H
VariantInit(&pokeVariant[1]); ( H0 z) k8 ^: ?# k9 q
pokeVariant[1].vt = VT_BSTR;
6 W/ [4 I3 r" p' S3 k/ V6 `6 U pokeVariant[1].bstrVal = itemStr;: {, y2 w" r( v5 B4 B
2 a1 q2 Y: V& U- F topicStr = SysAllocString((WCHAR *) L"system");
$ \- P( a" a2 X j$ \ VariantInit(&pokeVariant[2]);
) m& F7 `# p$ T& Q ^) D$ c pokeVariant[2].vt = VT_BSTR;" L4 ]7 ]) u2 V7 f2 H* H! Z# U* s
pokeVariant[2].bstrVal = topicStr;* e; r* C* ?+ ~, N
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// Set the DISPPARAMS structure that holds the variant.
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d- i! {- s( q* g1 K dp.rgvarg = pokeVariant;
4 G8 L: H" P- _, L. x& m dp.cArgs = 3;
9 V: ^9 u T8 [5 }7 P& o9 B dp.rgdispidNamedArgs = NULL;- e+ h" ]" A0 o5 Q Z
dp.cNamedArgs = 0;
/ ^3 L9 F% B+ Z
5 M h0 x0 ~. ?7 B0 [+ `* J// Call IDispatch::Invoke()
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- C6 O4 Y1 q2 s. h hr = m_pDisp->Invoke(2 f9 x* O$ m- A I$ G: N8 h, V
pokeID,
: i- A1 t! X1 y' r' l& w IID_NULL,1 a! k N7 b) v' ?- J+ l
LOCALE_SYSTEM_DEFAULT,4 b$ l, e8 R1 C B4 O! w2 y0 c1 F
DISPATCH_METHOD,
$ n$ g5 N7 ?. m &dp,
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&ei,4 T6 A$ c1 z% P0 J+ I
&uiErr);
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! k5 Q O/ D/ W SysFreeString(topicStr);
9 O/ e! ?3 h( o) A; D4 A# g% L SysFreeString(itemStr);3 \# P# T* g; }" p! f+ t
SysFreeString(valueStr);! ~/ d: f' C$ y# e: S
3 @" w. {( |: m* @& u) f' p. p* R
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???
. s1 I: R, p( p+ B2 m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 Q7 l& \0 u4 d5 l: _' `// Request a value from Extend$ m' D6 K" j7 l# v
//
5 s, B4 n+ m9 L. C// Initialize the variant that will hold the BSTR. Set the variant's
/ D# Z. ~$ p( a. h, I" t e// type flag to indicate the fact that this variant holds a BSTR. Place the
" G8 O( c# c& K+ p! \9 n// BSTR into the variant structure.7 g5 B7 O0 A5 p+ q9 O
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);6 H% m F) c4 T) t. w+ Y) @; T
8 Z! `$ g* I- O/ X0 F) g itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' }: l8 m- `3 ~( i
VariantInit(&requestVariant[0]); 8 p) w9 j( f0 ]" J2 G: b- E
requestVariant[0].vt = VT_BSTR; H$ H) r s7 n1 A
requestVariant[0].bstrVal = itemStr;
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# F7 S: @9 Q9 h0 Q0 m- {# r2 A; h topicStr = SysAllocString((WCHAR *) L"system");
* a L8 L: d' l VariantInit(&requestVariant[1]);
# P2 |8 s4 o& x. D/ W! C3 {$ _6 q requestVariant[1].vt = VT_BSTR;
" A Z4 N! N5 ^# R requestVariant[1].bstrVal = topicStr;
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0 b/ S6 \+ C, v1 m9 C. t8 }2 h// Set the DISPPARAMS structure that holds the variant.
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4 g3 }( p+ L; ~0 L; ]1 B7 Q dp2.rgvarg = requestVariant;% B4 j2 ~9 O$ Y+ X: M; P
dp2.cArgs = 2;
8 x0 t0 k5 ]3 {+ \( Q0 `4 ?. A% R dp2.rgdispidNamedArgs = NULL;; f" _& `! {) F/ N
dp2.cNamedArgs = 0;! B' e3 f) Z( J
! y3 p3 n" u( A& w2 f var.vt = VT_EMPTY;
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3 h! J. w. E$ {) l7 h& C' \& ~ C// Call IDispatch::Invoke()5 @ o; c5 P G9 ^
n9 q. j/ @5 I* S hr = m_pDisp->Invoke(
' @- b6 w d9 P, w% [ requestID,0 \% N! ?2 g6 w8 ]
IID_NULL,; b' e j0 o, q Z
LOCALE_SYSTEM_DEFAULT,) x7 a9 b5 u2 f
DISPATCH_METHOD,
3 ~1 j' t u: G8 O& [' o, N &dp2,; l3 B' X5 D$ b0 E& T4 t; b) T7 A
&var,$ k7 E2 o# d. t2 p' d1 i
&ei,& V" Y- X) C7 c
&uiErr);- @) ~8 J# P% L; u/ Z: M
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SysFreeString(topicStr);) k% h7 G) U/ {2 m
SysFreeString(itemStr);$ ~& O4 w7 m7 l5 h$ i' C0 U
请问该程序是获得extend里面的哪个值?
[+ U4 x) o3 D3 d0 `/ E6 f9 P3 @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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