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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:' K' I$ F0 ?% G& K
Name = (WCHAR *) L"Poke";0 w( w; e2 T0 c* B* I2 d3 K$ G
, z4 z! |' e6 y9 g; G hr = m_pDisp->GetIDsOfNames (* A2 r0 j7 x0 F% H0 [: _3 K U
IID_NULL, // reserved
% `2 U7 `3 H8 y& s9 U( e& [ &Name, // Array of names to get IDs for
; \, F8 S* r: p+ B# O( V. c 1, // # of names in the array
! C3 \" N2 \' b4 ^ LOCALE_SYSTEM_DEFAULT, // System locale
- m2 e b, K t' I; v3 G+ s &pokeID); // Array of IDs to fill on output
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if (hr)- k, W3 G# ^# n
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MessageBox ("Get Poke Unsuccessful");
2 e E A2 b2 ^$ i return;; n' Y+ |* p; g
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/**************************传递数据给extend**************************************/
3 t F6 B/ ~, m7 l* C5 R6 { pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); {5 D8 w0 Z4 a* k
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valueStr = SysAllocString((WCHAR *) L"1232");
7 q: `2 j( H' g& |7 q! D VariantInit(&pokeVariant[0]);
- M$ Z1 `+ \2 B a pokeVariant[0].vt = VT_BSTR;( c9 K! x+ ?$ q1 I
pokeVariant[0].bstrVal = valueStr;1 d" h8 d1 l2 A* o. a8 V
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 o3 j% |1 @' A$ ]9 K- x v* N VariantInit(&pokeVariant[1]);
7 D! a8 z( d) s8 q$ ?+ o+ w pokeVariant[1].vt = VT_BSTR;3 `! V! W; u3 C; C
pokeVariant[1].bstrVal = itemStr;( [! K+ F5 E/ c6 h+ m, T( d
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topicStr = SysAllocString((WCHAR *) L"system");
6 s$ V. _- \& _% S+ q: w VariantInit(&pokeVariant[2]); : @: C1 Z* d; q2 h" ~- L
pokeVariant[2].vt = VT_BSTR;* N& `+ T: e: G3 B4 u) \. p- G/ p
pokeVariant[2].bstrVal = topicStr;
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% F8 n7 e0 O: J D1 h% W7 l// Set the DISPPARAMS structure that holds the variant.# l. I. h0 ]; `# x* P
6 c& E' O( T+ a dp.rgvarg = pokeVariant;
- L9 N n8 P) U: O6 o dp.cArgs = 3;
* J( X* S# K* A/ d: I# b+ X$ D3 y dp.rgdispidNamedArgs = NULL;7 l" r+ x; e+ v, L* C
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()0 l6 p( o+ @$ m; e' j& v
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hr = m_pDisp->Invoke($ @) ]* n5 @2 K- g c
pokeID,
" {0 u4 u# F0 w8 s4 k& U! U$ s! C IID_NULL,0 E% M: e7 Q- s2 R0 Q
LOCALE_SYSTEM_DEFAULT,1 T: g; p* h" c4 E* S
DISPATCH_METHOD,) T l2 w' f8 p$ D- I1 U
&dp,7 P, Y( | p0 ?4 k, k$ q
NULL,) x; l/ l2 J0 f; _
&ei,
# T2 o, \$ N0 {5 V &uiErr);
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# t; h% O: N, u4 ~/ h9 m# E! ~ SysFreeString(topicStr); R! T; o# j8 Q
SysFreeString(itemStr);: G. Y' @' C& J$ n: s& M" |
SysFreeString(valueStr);
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' ]4 [ s! v5 h$ _- p& D* V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???4 W" X# [- J( m' a- h( b: X
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????! v# l! s5 [* |$ I
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2.这是request的程序, R8 s3 }; M3 T# V
// Request a value from Extend F' I, v, v" b3 [- d8 W
//
1 ] S5 |8 l( }2 h5 {// Initialize the variant that will hold the BSTR. Set the variant's
( ]7 U5 O0 U% M' u// type flag to indicate the fact that this variant holds a BSTR. Place the
0 V' h3 v1 y; a) ]0 i// BSTR into the variant structure.& U* d" f* |4 G9 e! f$ B) o1 |
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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9 I0 A$ D& U e3 h: | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, q/ f, L" N, C3 U+ i6 t VariantInit(&requestVariant[0]); : z/ J" T% T2 s, J2 Y
requestVariant[0].vt = VT_BSTR;
! p6 g8 O1 _8 o1 X3 m% r0 b: V requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");2 c% j- ~5 V# ]0 R9 C8 {* l' O
VariantInit(&requestVariant[1]);
2 g X" y: H/ B; E2 C requestVariant[1].vt = VT_BSTR;
( ?( Z0 k. i! h requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.: W" }+ _& n! J9 ^
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dp2.rgvarg = requestVariant;4 J- N/ h1 E7 v- N2 z0 |6 T
dp2.cArgs = 2;( \/ s. I6 I% j+ W
dp2.rgdispidNamedArgs = NULL;
, A' x9 r- J: w( P$ } dp2.cNamedArgs = 0;' Z$ G$ v1 J9 Q2 P; h2 N
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var.vt = VT_EMPTY;
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, d8 [6 n- y2 y& \& ?7 w: {// Call IDispatch::Invoke()$ M7 _3 B1 }' g- O" C+ I
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hr = m_pDisp->Invoke(
' j5 \2 ]/ |( r2 n requestID,3 q7 J, s% _2 T; R
IID_NULL,
% b0 t8 P" Q9 h LOCALE_SYSTEM_DEFAULT,
1 p# K5 @, ]3 f! H' ] DISPATCH_METHOD,! c' O0 O1 V- \
&dp2,; k0 X) V- g3 T3 K
&var,7 M! U: W) f2 l& N
&ei,5 u% v; ?6 y/ j3 c( o' \6 F0 A
&uiErr);% |: j$ O$ Y8 |4 s4 z3 A
4 c3 u8 t8 \ _& A SysFreeString(topicStr);6 L# r. K5 J) }& [2 E" Y
SysFreeString(itemStr);4 |4 O; @' S6 t1 [' ^
请问该程序是获得extend里面的哪个值?; V! D$ s2 O3 u( N- F h7 x" n
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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