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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:1 Z; i9 ^ {2 @- v: [( e3 s
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (! O8 ^3 s+ \2 i+ Y( d7 i- [+ k+ c5 H
IID_NULL, // reserved
# Y9 A& z, ~+ y; ?; c* L &Name, // Array of names to get IDs for
8 B* q6 [4 D# N) u! l) B 1, // # of names in the array5 i) d* x/ H2 e& j" L* \: I
LOCALE_SYSTEM_DEFAULT, // System locale+ V( W3 Q" C; N, v
&pokeID); // Array of IDs to fill on output$ a( P0 e: y8 i1 E+ Y W( u& Q
9 Y3 X" w; p% e% ?: a4 Z if (hr)3 P: e8 _' O: ~( v
{
/ ]2 U* X6 t2 k% ~ MessageBox ("Get Poke Unsuccessful");
7 P) v8 O0 h K3 Z( E return;
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. r% n% f- S9 q& F; f' E! R% H/**************************传递数据给extend**************************************/% M% Z. H; Q+ b3 E8 p1 Q5 L& J. q
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");6 ^! l( s4 h/ b9 W" M+ h4 W, K
VariantInit(&pokeVariant[0]);
! g' g, X5 x6 C4 ]! S pokeVariant[0].vt = VT_BSTR;- g- x& ]) Z8 ~( i
pokeVariant[0].bstrVal = valueStr;
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, Z/ Y# y6 s# J' D/ [( p itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 \) w. l1 m) t, z% C
VariantInit(&pokeVariant[1]); + s( p7 B0 [: A* {0 O/ }, l$ Y
pokeVariant[1].vt = VT_BSTR;3 s4 U& ?7 E! }/ o) p& k
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");* ] |4 j( F; Z2 t! G1 B' \2 y
VariantInit(&pokeVariant[2]);
/ T) t' h2 c$ X4 V+ G! a2 j8 | n pokeVariant[2].vt = VT_BSTR;: E/ i: i8 J+ b9 u, n
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.2 V7 @9 B/ X3 U
$ A$ ]; K( d1 p" d) A; U dp.rgvarg = pokeVariant;
, v/ V% A9 R: j D& V# r6 ~# E t dp.cArgs = 3;- c* r2 I# G. K7 F
dp.rgdispidNamedArgs = NULL;
9 ?6 s9 c; J) R2 Z- X! I dp.cNamedArgs = 0;& w4 h/ G1 |6 @; i
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// Call IDispatch::Invoke()$ t% V# \1 [% K- @2 `7 C" G! j
$ ?5 k: o. q# |. ^0 y2 }8 w hr = m_pDisp->Invoke(( f* F7 F; @4 m% {! L
pokeID,- C- q; `9 e+ y% K) m7 ~& S0 K
IID_NULL,
( N0 ^3 H- I$ p3 ]6 |8 _ LOCALE_SYSTEM_DEFAULT,) }2 F& k0 g2 D4 _1 ^5 X
DISPATCH_METHOD,
5 l2 o0 A0 Q$ j0 H0 u% H( W U &dp,
O" W+ F$ _: ^5 N2 l4 O) R NULL,
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&uiErr);, Q* E) @3 \* `/ C
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SysFreeString(topicStr);# O3 [0 x3 E) x1 w# r* b
SysFreeString(itemStr);
; C$ C V, k0 ]- }9 n9 {4 z/ | SysFreeString(valueStr);
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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???8 Z8 E( m9 h6 h3 o) C
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????+ m7 B2 U% w' j+ ]3 b; ] n
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2.这是request的程序 _" f/ a& Q% D, a, ?/ P9 L! t
// Request a value from Extend0 @" L) l! h0 @/ k) {8 m1 X
//5 Y5 ^/ w0 [2 R/ {( W
// Initialize the variant that will hold the BSTR. Set the variant's
; y7 u+ k B. E; o- X. ^! i! Q// type flag to indicate the fact that this variant holds a BSTR. Place the( O" o5 f6 r/ q" u
// BSTR into the variant structure.$ B, X) p; X! \7 A
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);% M9 m( b- u- d1 \6 f9 n) a3 h6 O- y
3 C* f! j9 C, c) x% m* N+ p3 A itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( D8 c7 Z) C2 ]( v6 c
VariantInit(&requestVariant[0]);
1 j' B; a3 e0 G/ i* X# {) M requestVariant[0].vt = VT_BSTR;
2 J7 H: m/ v2 I, x. Q requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
7 `% b/ P4 `/ \5 K7 Q) \8 `1 K VariantInit(&requestVariant[1]);
! @7 ?# P' ?, w& e& y0 q* O requestVariant[1].vt = VT_BSTR;
" ]; Y- m# ?7 I1 N requestVariant[1].bstrVal = topicStr;5 C: b+ y' B: |+ u' s
6 o# |, U% L2 i2 ?' B! p// Set the DISPPARAMS structure that holds the variant./ z2 @$ J% C) R
/ R: Y: V$ g% L dp2.rgvarg = requestVariant;
- J( @5 X0 T) Y5 [# R" w dp2.cArgs = 2;% Z* F9 R: C$ Z: x1 Z: p
dp2.rgdispidNamedArgs = NULL;8 M: ], V7 i' z% L* X) ]
dp2.cNamedArgs = 0;, h7 a1 r- B8 s% M. k1 m
! _$ g2 ^) X0 N: U6 d# r var.vt = VT_EMPTY;/ {- ?% x3 o: c0 a8 a& ]
% n. P4 {( r2 ~( N/ U// Call IDispatch::Invoke()- L& J8 s3 @$ Q5 a4 {9 a3 n0 N
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hr = m_pDisp->Invoke(# w- }+ \+ v1 O9 O
requestID,
6 [3 { S4 F6 `; S+ R3 |8 L IID_NULL,& G& t; k8 t: D) Q( I
LOCALE_SYSTEM_DEFAULT,
7 I7 c( e9 f, g* \# M DISPATCH_METHOD,0 w. N% ], s$ `/ z
&dp2,7 p! Y+ s$ m, O4 o5 p3 j
&var,
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&uiErr);
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SysFreeString(topicStr);
" d5 j* m' H8 g0 W- Z SysFreeString(itemStr);
; P* J; v! j) h1 @) A( W7 S, Y请问该程序是获得extend里面的哪个值?% P; I6 B& u' N2 }* K2 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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