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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:
3 O r0 e* m& j! F7 ?7 xName = (WCHAR *) L"Poke";2 _8 p, A5 [8 w0 z3 q1 n
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hr = m_pDisp->GetIDsOfNames (" }8 D% b8 }& M; r8 b0 K; s
IID_NULL, // reserved
( T; f7 n4 c# {8 i- l) A &Name, // Array of names to get IDs for
4 F1 C; Y+ G t 1, // # of names in the array2 P; \ D* V" x, t) f9 h& B a
LOCALE_SYSTEM_DEFAULT, // System locale+ b$ u) s7 c( |- {2 ]
&pokeID); // Array of IDs to fill on output
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* l# w7 V- D7 v( q" [ if (hr)1 j" c- W- C& e$ ?" \, ]6 ?
{/ X( B& p6 q) u3 o6 {
MessageBox ("Get Poke Unsuccessful");. V1 p7 o% }/ s* o: {/ v
return;9 g S+ S% w1 \+ I i L
}
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, X/ j7 Q9 m3 [3 B, {/**************************传递数据给extend**************************************/ U; l U f+ P! m5 y( W
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
# R/ \( H! Z* v: K , {( b, c$ b8 A# O1 M3 Z5 |% c6 R& s- g. t
valueStr = SysAllocString((WCHAR *) L"1232");
4 Y2 N9 q+ x. w( T# i VariantInit(&pokeVariant[0]);
4 y3 {% f% s# X& \ K# S, Y/ U0 | pokeVariant[0].vt = VT_BSTR;
. A. V5 `0 S9 \5 [/ O% ] pokeVariant[0].bstrVal = valueStr;9 i" R1 b6 Y" C5 q
* P4 g2 N3 K* P0 W }7 ~( c I itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ v8 R0 {, a, l VariantInit(&pokeVariant[1]);
. r% o8 Z: r" Q$ Q( y" a3 a pokeVariant[1].vt = VT_BSTR;8 C: ~4 @0 g# ] V& w
pokeVariant[1].bstrVal = itemStr;: W7 o- z8 C8 A( X3 ^2 K0 V8 u
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topicStr = SysAllocString((WCHAR *) L"system");
' i! g$ `# m' x2 }; r VariantInit(&pokeVariant[2]); 5 g9 ?' ^ @8 F' r1 R( W
pokeVariant[2].vt = VT_BSTR;
6 l2 j, ~ E" G: D0 f! n pokeVariant[2].bstrVal = topicStr;2 B0 w& |5 p1 w- N& i x
k: q5 u" p* r( N// Set the DISPPARAMS structure that holds the variant.
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, t: T1 |/ T6 g2 U, o dp.rgvarg = pokeVariant;& f+ _& B+ r, L! E; L5 r
dp.cArgs = 3;
# J* d8 o2 h; t1 ?' J V dp.rgdispidNamedArgs = NULL;. q. Z( A7 y& N& q- Q
dp.cNamedArgs = 0;# a1 y" D& V5 _% t5 W, V
# o" d! B. H( G8 d// Call IDispatch::Invoke()
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( {4 G( `7 f) H. h4 b6 ? hr = m_pDisp->Invoke(, | _6 D' m; Z5 |7 |* d; o6 V N4 s
pokeID,! l2 U( b/ l; W0 A5 c+ W1 K" F# l
IID_NULL,6 E7 ]: N: {2 g4 C' w% [6 ]
LOCALE_SYSTEM_DEFAULT,
: N1 {$ W9 W/ b0 Z7 _7 o0 _- } DISPATCH_METHOD,1 U% h0 n ]5 u: L& A& G
&dp,9 U. j5 U) W: Z E! q5 V
NULL,
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&uiErr);# u P; e; J2 _: G. b9 E
) g! t2 U. _2 D) U$ a' k SysFreeString(topicStr);1 q+ @& ]. j$ ^
SysFreeString(itemStr);, k, i' g; B6 b
SysFreeString(valueStr);1 @5 |) k+ b w6 A- I, {
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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???
m7 _ L' L, w( C* [+ G8 l3 d1 y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
4 ~7 u" z2 o( q. J8 F. H// Request a value from Extend! D8 q+ e# K+ @9 \* X+ V
//
9 V& P1 L2 Q' y% d: J// Initialize the variant that will hold the BSTR. Set the variant's
1 l; @5 W- r- L5 U W" S9 }9 C// type flag to indicate the fact that this variant holds a BSTR. Place the j* d1 ]) b {" q) @
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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0 X' B0 ~- r1 N S2 N( m7 b itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% G; i- Z% u2 ]4 x# `, v( m! c
VariantInit(&requestVariant[0]);
: ]( v5 [3 Z7 ^# \& s0 {2 O requestVariant[0].vt = VT_BSTR;
! B$ c5 O1 Z# D1 B requestVariant[0].bstrVal = itemStr;
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$ o. z) C/ e( O% U* V topicStr = SysAllocString((WCHAR *) L"system");( V6 K! e a) a- I' A6 e) w n
VariantInit(&requestVariant[1]); 3 k9 [2 s* ]5 G6 y v. i
requestVariant[1].vt = VT_BSTR;
4 u6 d+ {8 D6 e7 G- R3 @ requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.* N! r# e! ^( q2 Z4 E1 O
. r/ }2 d" J3 y# u& r2 K- x/ i dp2.rgvarg = requestVariant;9 G2 J0 j4 b" s6 w8 Y1 n( V
dp2.cArgs = 2;
% g2 M. _. B1 }$ s w' K2 _% E8 Z dp2.rgdispidNamedArgs = NULL;
6 q3 x( t2 u0 e! i/ B& D1 l dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;' u; f, k' ~3 t' U( a. x
( S% D, u* @: L1 v# Y// Call IDispatch::Invoke()0 ]% L& f3 t1 b) t3 m1 A
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hr = m_pDisp->Invoke(( T5 T/ R u; Q- E5 Q G$ v$ p
requestID,
. e3 e& |9 P! m- [; a IID_NULL,. ?4 t. a! a6 d0 T
LOCALE_SYSTEM_DEFAULT,0 C! s: y5 P x# e0 h
DISPATCH_METHOD,
' a- \7 c; ?8 j* x &dp2,2 f% ?9 f: Q9 Y+ [5 Z9 y6 _$ ]
&var,
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&uiErr);
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SysFreeString(topicStr);
1 W) l- B% _* v; T5 \2 s2 b: k SysFreeString(itemStr);
3 ?6 `( z8 f/ Y) @! w9 G/ i* ~请问该程序是获得extend里面的哪个值?
5 A) S- Y" I) t2 F, L8 {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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