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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:) I0 f* T2 F1 z" }
Name = (WCHAR *) L"Poke";4 {7 H9 f* w( {, e1 A; A
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hr = m_pDisp->GetIDsOfNames () S) ~0 Y% n( p. ~- j* K% o
IID_NULL, // reserved
) c/ s) t }% H9 h &Name, // Array of names to get IDs for8 p4 G; P# Z: o7 N4 ]
1, // # of names in the array
" W; K0 N; j* Q* S' J+ L LOCALE_SYSTEM_DEFAULT, // System locale
$ l! v ~/ H0 A; c& K &pokeID); // Array of IDs to fill on output5 k0 Q' k& U$ J5 k, a2 g
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if (hr)
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MessageBox ("Get Poke Unsuccessful");, h, M4 ?: I' k1 q! @4 G
return;: S; Q' t2 {0 k9 ?
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/**************************传递数据给extend**************************************/
" W8 B* Z" Z# a7 m pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
/ Z3 b H$ X% B0 @4 X* ]8 G 2 Q( K u2 E0 }4 n8 y
valueStr = SysAllocString((WCHAR *) L"1232");
8 D% R7 z; b0 m* m5 Z4 i4 A: u/ X VariantInit(&pokeVariant[0]);
$ G$ X) x1 a5 g } `* f pokeVariant[0].vt = VT_BSTR;
0 i- I' q! b& ~: C5 l- o pokeVariant[0].bstrVal = valueStr;* L% ]' p- d" h5 y4 }: q
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* D3 y( n. G; I- g& ^: N( o VariantInit(&pokeVariant[1]); ' r0 g) k6 C% V( ?) k5 H A
pokeVariant[1].vt = VT_BSTR;+ y% l: }8 L% @' J" s! F. p0 {9 e' ?7 E
pokeVariant[1].bstrVal = itemStr;
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6 G8 ^) A: _6 g* P topicStr = SysAllocString((WCHAR *) L"system");+ D9 u9 a& m3 J2 X a* v% }
VariantInit(&pokeVariant[2]); 0 P, a x2 e& F- S
pokeVariant[2].vt = VT_BSTR;" q+ n& f: M8 L( _7 S+ R
pokeVariant[2].bstrVal = topicStr;5 w2 [) A: I* ^
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// Set the DISPPARAMS structure that holds the variant.; U/ S# Q1 i0 b, H
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dp.rgvarg = pokeVariant;
! e* O8 u0 e4 [7 \2 C' L$ d& i dp.cArgs = 3;
/ u( y, |5 A: T) j. H dp.rgdispidNamedArgs = NULL;
% m) ]1 T m5 q2 n4 a! m& n7 E dp.cNamedArgs = 0;- e) I; G7 c5 U% \# [: q
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(- d7 @8 J t" @7 Y! g
pokeID,! Q- r1 A) m! I$ l9 {) N
IID_NULL,
" U* \* w7 B7 ~! k/ I0 h LOCALE_SYSTEM_DEFAULT,
, V$ V% X5 }- N! `2 Z. S8 ~4 M- H DISPATCH_METHOD,
3 g$ R; e) A1 O &dp,
9 P. @8 w- k) h* ^ NULL,' V8 h& `$ @3 R9 q j5 r
&ei,+ Y9 r( L3 ^' R0 J
&uiErr);+ |. Z1 j$ t+ y1 O& R
2 J- d0 N0 J! ~0 D8 {1 a( w2 j SysFreeString(topicStr);
+ ], [3 @' o X% v! u2 K7 c ~ SysFreeString(itemStr);3 z4 \1 z5 v5 G) t9 G
SysFreeString(valueStr);; { n: D# [+ o9 P6 ^
7 ~' W4 w8 |. P* P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???
7 N6 j! V, j& X& b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????6 d! w4 X3 k7 u* S! A; J
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4 X. |& j& L6 i2 ?7 ?2.这是request的程序. [! t( ?3 @- }2 I1 ]& j
// Request a value from Extend3 L e) ?/ P& G: H
//0 w- X8 E( ~5 m0 N4 ^
// Initialize the variant that will hold the BSTR. Set the variant's# M& l D6 z& S% ]& J3 W: H
// type flag to indicate the fact that this variant holds a BSTR. Place the
2 q6 a0 `. p! c: n2 F// BSTR into the variant structure.$ U$ X' K6 o8 Y2 S; i
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 A5 ]2 ?8 u! I! Z
VariantInit(&requestVariant[0]);
' P8 c& x: C9 m" f& `0 w* Z requestVariant[0].vt = VT_BSTR;
/ @6 Y/ ?8 Z) J5 F( l; \" q7 j requestVariant[0].bstrVal = itemStr;; t% @( F. g) k: ]; E
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topicStr = SysAllocString((WCHAR *) L"system");( ]3 {2 F: {/ z) f7 j4 m; g0 ^
VariantInit(&requestVariant[1]); . B" m: ^7 J" H* ^; _0 j; U+ P
requestVariant[1].vt = VT_BSTR;
% J) p4 H) C% h9 g* q) i. t requestVariant[1].bstrVal = topicStr;: m% J# L4 T1 n6 J1 A" p+ ~
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// Set the DISPPARAMS structure that holds the variant.
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& y9 @- y) c/ z- H# i; \1 }2 O' K dp2.rgvarg = requestVariant;
0 x2 U; l% g% X* h! J dp2.cArgs = 2;
' y# J8 k q( i' Q& B- M dp2.rgdispidNamedArgs = NULL;
+ W6 l4 @* E/ A1 E8 D( q dp2.cNamedArgs = 0;
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! m x2 ]9 C$ q0 A& }. }* H( F var.vt = VT_EMPTY;9 L$ N7 b% H3 ]9 D9 \, h# V
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// Call IDispatch::Invoke()' a! h9 v5 i- g7 A
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hr = m_pDisp->Invoke(
2 D5 z$ j2 a+ Q7 k requestID,
7 R9 C9 r6 M9 X' ?1 E- y: p IID_NULL,% n4 \! C' V0 E" R5 {+ r
LOCALE_SYSTEM_DEFAULT,; m2 U8 b: W* f- c0 I' k* P
DISPATCH_METHOD,
" M* ~& p# v5 f: x! p &dp2,1 x& J* P, @, Z
&var,
- f+ z5 W$ D1 F" L% j8 l+ j! c &ei,
% m N6 D& L. U) a P, E/ q &uiErr);
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SysFreeString(topicStr);
1 u' s( t4 d7 O7 c0 C SysFreeString(itemStr);, l" K( F) E: ^, r9 B( R
请问该程序是获得extend里面的哪个值?! @. z% u9 O0 F5 d Z$ l" 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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