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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:
- r$ E2 N" F! } T$ DName = (WCHAR *) L"Poke";
7 d( T2 z2 K S' i$ {, M# ?( W( A / s4 u1 h6 G! r9 L* T7 A* _, p3 O
hr = m_pDisp->GetIDsOfNames (8 }. O+ f" j6 X1 _
IID_NULL, // reserved
2 Z, u, @% p" {) A* j; v2 ^ &Name, // Array of names to get IDs for+ H [4 F' @% z. |5 [
1, // # of names in the array; ^9 m/ H$ ` S8 `$ i8 e6 ~( R
LOCALE_SYSTEM_DEFAULT, // System locale) x Z. ?2 A( N0 D
&pokeID); // Array of IDs to fill on output, ~( _5 w9 K* |: U! i) p
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
6 c; K( N5 k- @ return;9 N: A; |5 L5 B2 B
}
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- Q/ \6 q: b' i6 Y% t/**************************传递数据给extend**************************************/
% w* j& S2 w9 o pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);+ n, Y, w$ u# Z7 o, ?, W0 s+ J
+ o8 d5 ~* [6 \* o0 [3 ~ valueStr = SysAllocString((WCHAR *) L"1232");
. u$ z4 ~9 g( O i VariantInit(&pokeVariant[0]); 9 \! G1 i4 N6 Q6 a8 B9 k$ w* q
pokeVariant[0].vt = VT_BSTR;7 q4 {! m: a* C& ^2 l0 Q4 ]
pokeVariant[0].bstrVal = valueStr;2 ]. C `' }6 a2 J# ^. [' D: D
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 G* u9 [6 P2 n4 {2 k! l# x! W VariantInit(&pokeVariant[1]); * j1 H: E( B1 v2 u; _/ b
pokeVariant[1].vt = VT_BSTR;: |7 b4 }: h6 k7 K
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
) G- t% I: u6 l& i% ] VariantInit(&pokeVariant[2]); : M* e1 H: L5 z Y' |* b
pokeVariant[2].vt = VT_BSTR;
6 m" X% ?- D' W8 [ pokeVariant[2].bstrVal = topicStr;
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! B- K' u! ~. U* z/ B+ u" @// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
: `% A6 Q9 @- E# Z dp.cArgs = 3;8 j) x7 a: Y) B0 q3 v l/ @6 W
dp.rgdispidNamedArgs = NULL;+ P& k# n V% t; C( N
dp.cNamedArgs = 0;1 w" s9 R: C; D5 w( y
2 h' p# \) \4 @. V# ]// Call IDispatch::Invoke()
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3 g: O: z3 k/ E! g hr = m_pDisp->Invoke(
" \& G/ h- `9 @5 k( E pokeID,
, n( q" Z' | R IID_NULL,
. }& w# u) B" p% p+ u# | LOCALE_SYSTEM_DEFAULT,
7 E- B* H) j! h! d- y/ I8 o( @2 I DISPATCH_METHOD,8 `0 Q q/ ^% p, d. c
&dp,$ D+ y8 L. i9 g- D
NULL, G3 T$ @- Z( l! e' b
&ei,( _5 b% ^. s. ^4 h9 P8 Z( x
&uiErr);
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SysFreeString(topicStr);9 c( F* K, K% i% m& }0 W
SysFreeString(itemStr);
4 ?) n/ I5 o3 M9 m SysFreeString(valueStr);
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$ j7 ^0 r& C2 B6 Q5 r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???
% k+ \* i9 @% _9 `% ^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????% ^0 ]1 S% [( P3 e5 p( X
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2.这是request的程序
* |% s1 v( i3 ~/ z3 ^+ u// Request a value from Extend {( U$ ^* q3 R# a" ~6 J7 _
//
" J+ O3 g5 F. Q4 k// Initialize the variant that will hold the BSTR. Set the variant's
' z8 c& A' C7 W// type flag to indicate the fact that this variant holds a BSTR. Place the- n0 c$ v4 R$ ?* X
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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( b2 U1 L4 |5 V" _6 h itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ C0 m/ i+ M+ w4 Z3 M, M0 ~; p
VariantInit(&requestVariant[0]); 8 _4 o4 ?' h% H- [- X' T& h- n( z& ~
requestVariant[0].vt = VT_BSTR;! k% l( g; F! U6 g# L
requestVariant[0].bstrVal = itemStr;6 o6 \) K8 f3 a8 c
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topicStr = SysAllocString((WCHAR *) L"system");: F( \6 p8 S1 f {; a" G
VariantInit(&requestVariant[1]); 3 k* F9 r, z0 x
requestVariant[1].vt = VT_BSTR;
1 W6 ]4 \# h% \; p requestVariant[1].bstrVal = topicStr;
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7 `5 U- v6 y6 u: J @. S- |// Set the DISPPARAMS structure that holds the variant.
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5 b x( I! ]" D* ~4 P. x$ ]# Z/ F2 X dp2.rgvarg = requestVariant;
- o8 v1 ?# I( E- B. R# Z: k; [4 W- Q dp2.cArgs = 2;9 |5 t. J; P$ q4 [3 T/ [1 G" v
dp2.rgdispidNamedArgs = NULL;
/ t1 P4 ~" Q# C1 h" _$ \ dp2.cNamedArgs = 0;6 R" i1 v: e+ I; d" T' \9 N9 k
3 |. j1 C2 g9 J _2 c var.vt = VT_EMPTY;
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- ], z; E: G. X% l3 J. Y8 e: m// Call IDispatch::Invoke()
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4 B9 Q& D$ q5 Y1 P- r% X- Y hr = m_pDisp->Invoke(! k1 r7 ?" T+ D1 Y
requestID,, ]" E4 p# ?8 T6 }3 A: d; j# |
IID_NULL,
0 _9 ]& k7 ~) A" ? LOCALE_SYSTEM_DEFAULT,
5 {0 Z; i; [ \# u8 A- Z' n DISPATCH_METHOD,0 a4 W# L! @4 S# P9 j* y( e
&dp2,
; O0 n A! s, H$ q9 P& n6 c &var,9 K$ E" [( F+ s5 L& Q$ H
&ei,, U9 {: A9 _! m! L' D; s
&uiErr);
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! W* c8 x3 y4 A- Q! R3 z5 W7 ? SysFreeString(topicStr);
7 a6 |( ^: t! k: G+ ?0 z- E' {4 W& G SysFreeString(itemStr);
6 u6 i( d, }- a! A请问该程序是获得extend里面的哪个值?
; I: C: D" h6 P& k2 F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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