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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 j; q; {8 lName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
8 \+ B4 @; n6 }. @5 E IID_NULL, // reserved
' j. N. S7 e6 z; E5 r5 ^! b &Name, // Array of names to get IDs for) f( t; A2 j. d
1, // # of names in the array1 v# @/ E2 t3 B( G& X
LOCALE_SYSTEM_DEFAULT, // System locale' m* Q+ A* _% b% w" V) i: x( ^1 C
&pokeID); // Array of IDs to fill on output& h, I7 b# O- @4 ^, j: u* S# q
! W& Z- `+ }3 D; J* X, E5 O$ ] if (hr); `6 P. \# `' I, N% k0 X( C
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MessageBox ("Get Poke Unsuccessful");
0 |5 \! A# Z0 J$ ^0 X5 s return;) i' W5 T* b! v6 b6 c& k
}
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/**************************传递数据给extend**************************************/7 Y6 C2 K" p3 C, e, u* g- ?$ j
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 S: L5 z, ]9 o! n" [# t
4 d1 Y i8 |9 u7 Y$ R* r! @ valueStr = SysAllocString((WCHAR *) L"1232");- O% l/ O/ s% `
VariantInit(&pokeVariant[0]);
2 @& u( c1 g# J( u2 w pokeVariant[0].vt = VT_BSTR;
, C9 R$ K* i [1 S6 n8 O pokeVariant[0].bstrVal = valueStr;) o3 I; Y$ ?5 W
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. u* U; L C! _2 S: Y( Y5 P$ O VariantInit(&pokeVariant[1]);
- |; K& r6 J+ Z; I( y8 t4 [ pokeVariant[1].vt = VT_BSTR;
. I0 }9 u$ K, F, _3 l; m# } pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");' o! B2 L% F% C: o: I2 m
VariantInit(&pokeVariant[2]);
* B& a* T5 z3 e& W% r ?8 s pokeVariant[2].vt = VT_BSTR;2 w- i' s+ `* u. x
pokeVariant[2].bstrVal = topicStr;: v) ^+ m4 k0 x% M1 M
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// Set the DISPPARAMS structure that holds the variant.
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; K& [0 o( X6 m! o5 S- d/ u dp.rgvarg = pokeVariant;' R0 m* a" v ^. a+ ?" J. |8 k
dp.cArgs = 3;
1 V) X1 r( Z* O @. b$ }4 ^1 E$ p dp.rgdispidNamedArgs = NULL;
6 `. [5 | W6 }# @! o9 i4 h3 f, J dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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8 X: k% F; v! T+ Q! c, p- [; r4 @ hr = m_pDisp->Invoke(
5 ]. W* M' R, N. r" a/ k; E' k pokeID,
" K9 s/ e: \0 d k; B2 ? IID_NULL,) n. O4 b( C5 |/ \5 P
LOCALE_SYSTEM_DEFAULT, b0 t, ]: ~1 q! ^; W1 r
DISPATCH_METHOD,* l: s0 j$ N8 f# `- u) y2 _! R# S
&dp,3 ?& y; R9 e; b; g6 x% Y
NULL,
+ t! l7 E: ^8 t1 r& s; P/ O' C &ei,% d& M- Q' `+ E7 |. C! W+ M: k
&uiErr);
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' N$ p8 [" l' n+ c$ } SysFreeString(topicStr);
# o$ ]7 c5 m' K+ R4 f1 d0 h SysFreeString(itemStr);
& N+ k1 u* @: Y: ]" x SysFreeString(valueStr);
Y1 E9 u/ E `: g1 h! d, U. g! r1 m9 K: Y- T' @1 D ]/ q5 N
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???$ i# }# C! W' D# ?
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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4 x( K( l, y* v2.这是request的程序
0 q- _$ S/ Z. t. h$ P0 ~2 e// Request a value from Extend# y) L/ p& ~ c# E: ^' P
//
7 {: O8 p5 w. t6 ~% g// Initialize the variant that will hold the BSTR. Set the variant's
" h/ e, }( z' G& D7 e N// type flag to indicate the fact that this variant holds a BSTR. Place the; R/ V6 p6 w. H5 w' B9 [
// BSTR into the variant structure.4 |. }! m8 @. H* C7 c: V8 C; J
: g- ^) F( [$ t6 H; } requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 ^: \2 u8 V1 q$ ]
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ A2 C" G" c; i* M' Q6 K2 |* B+ _
VariantInit(&requestVariant[0]); ! V3 C9 i: @9 L" ~! S' y
requestVariant[0].vt = VT_BSTR;" F: a3 O. x/ e5 U9 P0 ~3 l) u: X5 j$ k
requestVariant[0].bstrVal = itemStr;3 c# k' L; k* g
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topicStr = SysAllocString((WCHAR *) L"system");
1 @/ }/ `! i4 i8 @, O5 I0 P VariantInit(&requestVariant[1]);
: o6 q1 [5 Z8 z2 q) I+ J requestVariant[1].vt = VT_BSTR;2 U3 T5 i8 l3 c4 Z' Z
requestVariant[1].bstrVal = topicStr;
+ ?4 C; r, O+ ]
$ y0 \- C# F& a, a; y; ~// Set the DISPPARAMS structure that holds the variant.' p8 w1 C; V5 E8 s) H; U" r' Q
" I4 D3 U" J: H% E6 V2 e dp2.rgvarg = requestVariant;
: d6 E* @( S8 w7 z6 ]! O dp2.cArgs = 2;+ P' F: ~3 H+ o$ Z4 [4 F6 _2 |7 w
dp2.rgdispidNamedArgs = NULL;
( a- g8 V& L" ~% k0 p" ? dp2.cNamedArgs = 0;
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- L1 h( M, t. {0 [, F var.vt = VT_EMPTY;
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" E" X: s) _& X* [! ^) `/ p// Call IDispatch::Invoke()
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, {; m. K7 U! M hr = m_pDisp->Invoke(. ~4 p$ }& A* ~' E: V& Q
requestID,6 @% h9 W+ ]7 n
IID_NULL,
- T( U S; g/ d$ D# h LOCALE_SYSTEM_DEFAULT,
. y5 P3 X) O5 ^/ R( b8 x: P7 @ DISPATCH_METHOD,) V5 \/ O Z: D X2 R+ _; \
&dp2,) t0 p# J X2 ^! ^
&var,6 L: M, `( _6 ^1 D" D3 T5 R; L' l
&ei,
0 W& R" d1 K4 k8 ?" L" B o &uiErr);3 I$ z2 K. s, O/ f) m0 g# P
! s7 I9 \% ^, }5 I SysFreeString(topicStr);
' I) ?+ [- P- W2 A9 S5 I- [ SysFreeString(itemStr);! A" p+ c: L1 y( ?, ?' n
请问该程序是获得extend里面的哪个值?
) p% T4 k+ j2 n: p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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