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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:
- t1 I0 [! b1 k1 S k4 GName = (WCHAR *) L"Poke";
# ^. Y3 l% {7 g! w, L) l. C
' @ k' G! A! D5 F8 ^ hr = m_pDisp->GetIDsOfNames (% I) R, Z4 b# ?: ~ R; }
IID_NULL, // reserved% R7 ~: X- t7 M' q w1 [4 {
&Name, // Array of names to get IDs for
5 w( Y5 ]1 H. D2 c% z) N2 h 1, // # of names in the array
5 j) _* S. M; P+ B LOCALE_SYSTEM_DEFAULT, // System locale P+ \ a% }+ o6 ~# R
&pokeID); // Array of IDs to fill on output
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/ e- E( t- ?- y: q. g9 J4 B if (hr)- m$ {0 ?" d1 b3 y
{' Z: T: U/ ^! R7 }& x6 C! U
MessageBox ("Get Poke Unsuccessful");
: q& C3 M0 L5 t' G. E |4 I return;1 v; R5 Q" Y ^, n/ K
}
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/**************************传递数据给extend**************************************/
* P" ?0 `: S4 E0 O9 c pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
# [7 Z0 g8 n# E; Y- e: y - o# ^# Q: q! r& T0 W7 t: L
valueStr = SysAllocString((WCHAR *) L"1232");- X: u2 r% `3 s% E7 J9 h
VariantInit(&pokeVariant[0]);
" z. m. t% h9 K pokeVariant[0].vt = VT_BSTR;4 }( Y; {3 ] p Q* r6 N
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); {( o( g1 k3 H8 G9 a0 B6 y4 |
VariantInit(&pokeVariant[1]);
/ O5 {) F6 Y9 h% @1 C7 M pokeVariant[1].vt = VT_BSTR;
2 L1 x- m* M& n% L1 V8 @$ t/ m3 }* H9 ] pokeVariant[1].bstrVal = itemStr;" z6 j5 B& L4 J3 Z/ v; P$ p9 A: O
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topicStr = SysAllocString((WCHAR *) L"system");# R8 C9 M, ^4 V, h% j
VariantInit(&pokeVariant[2]); ; I- K' W+ T( h5 p3 n4 F t& V% z
pokeVariant[2].vt = VT_BSTR;
7 ^+ D* [1 H& w" K! }0 g! ^: x pokeVariant[2].bstrVal = topicStr;
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* \) O1 A! Q" V. X2 S% a& x// Set the DISPPARAMS structure that holds the variant.- G3 W; W, Q8 @% _4 ?* @
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dp.rgvarg = pokeVariant;" \& l4 g5 N1 q; w
dp.cArgs = 3;$ t; m/ j9 Q$ ~4 T; ]( _' O, T" ^, T
dp.rgdispidNamedArgs = NULL;/ G8 F# C2 Z {# Z5 k4 ]
dp.cNamedArgs = 0;
; F$ C8 @& }" \0 c' o
" S% v1 u! K$ @4 s& k// Call IDispatch::Invoke()' N! J A$ z6 ]- F1 D1 M' \
4 @* F" \' ^: F8 Y hr = m_pDisp->Invoke(9 }/ S1 U; `* ~6 k
pokeID,
2 x" ]% P3 p* l3 ^ IID_NULL, `3 U ]- J3 D8 \; V
LOCALE_SYSTEM_DEFAULT," Z+ |8 _4 J# n5 z5 u
DISPATCH_METHOD,
( A, }5 C H9 w9 O &dp,' i$ M5 S5 h# k" H2 s
NULL,
9 r3 C$ |. D; E &ei,
+ m+ R; E! R+ H" N1 O$ D* Z &uiErr);
% `" r1 c3 `: M- `1 k& E% l5 c, B5 E( W1 L& l
SysFreeString(topicStr);
5 P# }7 l' V# P: T) q0 R SysFreeString(itemStr);6 f# L! M$ a5 u8 n( e
SysFreeString(valueStr);
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7 M' H7 U' S; K0 r& _% D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???
* x | ]; Z- ~: u7 o! a+ B* p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( g; M+ K3 l$ ~% {
// Request a value from Extend2 g/ F a6 q J6 v. N% A; V: v
/// ~5 K, l' l7 x
// Initialize the variant that will hold the BSTR. Set the variant's
7 T8 q8 `( ]+ Q- f2 R; s! ^ `// type flag to indicate the fact that this variant holds a BSTR. Place the
) @* B) q- c+ e- H// BSTR into the variant structure.
* t9 j8 w# N& [5 s; }% o; R; `1 r& w j4 a4 A! Y$ q6 [. A; B7 }
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);% T0 \+ d2 |& X* q
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 Z% u$ _0 Y1 e% J, G6 D. l4 Z
VariantInit(&requestVariant[0]); 2 V8 C f+ n, w: M/ ^: R
requestVariant[0].vt = VT_BSTR;
. j$ R. w% @, c7 | requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
n$ ?1 q1 R! t5 } VariantInit(&requestVariant[1]); ; V: n! ^/ C/ |& Q b% q. ]
requestVariant[1].vt = VT_BSTR;# H( ^' q: y4 b+ o0 O
requestVariant[1].bstrVal = topicStr;2 J) z+ W7 Y. ?. t* i( j
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// Set the DISPPARAMS structure that holds the variant.4 G% D+ ?; z' l8 A" |9 E$ c
1 W% ?- h F3 }2 {6 Y/ `/ W2 a- E dp2.rgvarg = requestVariant;
% Q* j& z' O' s5 j9 {7 B, G. H dp2.cArgs = 2;
& B+ m) [8 C% {3 s; K dp2.rgdispidNamedArgs = NULL;) t/ n$ V2 A6 B7 n# a$ `- f) o6 _
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()' J0 T: W6 ]; {) t N
8 d0 C8 v- I/ S hr = m_pDisp->Invoke(5 g9 Q7 j% l0 P& M
requestID,' m) t, P8 N! W
IID_NULL,
/ Z* F0 @0 c7 s" f. y2 g LOCALE_SYSTEM_DEFAULT,2 V: E& S5 h! ], E E
DISPATCH_METHOD,
4 l) K. _) d z3 W# o7 @ &dp2,
V* X3 ?4 b z- @- L/ M9 ] &var,: H* a1 u! O; N/ I# H
&ei,6 a; f, D0 p$ U7 {, c5 A0 H
&uiErr);
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SysFreeString(topicStr);
& Y9 i" C2 P3 [! [% B- _ Y0 l SysFreeString(itemStr);
8 K0 L& P2 P6 d; D. J) T请问该程序是获得extend里面的哪个值?
8 l7 H3 O8 D! R5 O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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