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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:0 E& T' h4 B* b( S7 V
Name = (WCHAR *) L"Poke";
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" y! ~8 O: M$ A/ f$ ?- o hr = m_pDisp->GetIDsOfNames (: |% d( h' Q9 v; A
IID_NULL, // reserved4 I; `: G; @3 Q& g, L
&Name, // Array of names to get IDs for& ?" K7 V' N1 W7 u. X2 k: U
1, // # of names in the array+ E; w( ?: [( {3 |
LOCALE_SYSTEM_DEFAULT, // System locale
# t; \; `, h3 ] &pokeID); // Array of IDs to fill on output
# V& Q5 H v6 L! p 3 v$ w+ J) ?1 g1 e8 C; C) R
if (hr)
+ l5 w9 B2 p# D+ x k {
5 K0 ~5 A$ z w; h MessageBox ("Get Poke Unsuccessful");
" E H( q3 }; P, Z9 i return;
' ^- R7 s9 \" Z1 O3 w* V }
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/**************************传递数据给extend**************************************/
9 p: ^% g: i% Q# E. F3 d5 f% y pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! U) C2 w: y; a6 B* d+ K; A* g2 S. F
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valueStr = SysAllocString((WCHAR *) L"1232");
& d7 S, h/ z; N% i VariantInit(&pokeVariant[0]); ) Q2 h, \% ?0 ^3 }
pokeVariant[0].vt = VT_BSTR;
+ c% y/ x8 _/ l. x5 T: w S2 L pokeVariant[0].bstrVal = valueStr;
/ a) H$ `2 ~: f7 ~
- f2 E! _1 O5 Q, h \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 r& M5 s: z6 y4 g9 ]" l VariantInit(&pokeVariant[1]);
6 g4 j& I% z; G% @ pokeVariant[1].vt = VT_BSTR;
$ h; y1 A" r0 w8 O) c' O pokeVariant[1].bstrVal = itemStr;
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% \: f" I E7 r3 V* P: j% ~ topicStr = SysAllocString((WCHAR *) L"system");
! m) o. G q. `0 ~$ [ u VariantInit(&pokeVariant[2]);
" L8 E% H5 g5 K C8 x% S* f pokeVariant[2].vt = VT_BSTR;
; t* a! p" D4 N5 V* q3 }5 R" D pokeVariant[2].bstrVal = topicStr;3 d; |. Y5 V+ x) S
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// Set the DISPPARAMS structure that holds the variant.; f* q3 a7 I5 X K6 z
, ]; s/ ^: E* U5 \ dp.rgvarg = pokeVariant; v6 C. M" g, P0 O2 b' \2 m
dp.cArgs = 3;
/ Z/ V. r, ], ~ dp.rgdispidNamedArgs = NULL;
+ L/ n' e. ]/ R5 {/ N u \ dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
* z: E0 w' L+ D7 x: i; S- N, r pokeID,* ?9 R0 T0 {! F0 A2 m; F
IID_NULL,- r# Q9 C1 b2 @0 e
LOCALE_SYSTEM_DEFAULT,
; U4 J& D/ z; R+ J+ E DISPATCH_METHOD,
3 _: y5 s# M! M" A' C' E &dp,9 h# y p. ^6 L$ K# i5 @+ V, ]7 n
NULL,! b" q( A' _1 f( j( h2 G. j/ W9 J
&ei,
. i5 ~7 N/ y# O& g &uiErr);
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SysFreeString(topicStr);3 I' G4 \2 a7 r4 [/ ^
SysFreeString(itemStr);
3 t5 M' i* n- V: j2 D; T9 O; e: r SysFreeString(valueStr);' ]/ E ~. o& i; x4 n/ @5 W" w4 N
) Y8 V6 F1 @ y! K5 t: A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???/ b6 j! _% G/ P8 ^! n) b. A6 o
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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+ `5 f9 {! t. s- t6 n+ k* q" ]
2.这是request的程序
# Z. X6 B6 \+ q. ^: X1 I1 R3 W0 H// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
6 R& q n! `" m/ M& B// type flag to indicate the fact that this variant holds a BSTR. Place the$ M+ ^- }1 r0 [
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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. Q0 K; y2 ^6 B( s) G: ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 A3 r; a' X0 X& T VariantInit(&requestVariant[0]); ) i! L% l$ Z/ F7 A* H, g
requestVariant[0].vt = VT_BSTR;
/ D0 W% M3 J: J/ D- H requestVariant[0].bstrVal = itemStr;5 m# K! z# v' J, K+ S
9 i& u. t. y- q topicStr = SysAllocString((WCHAR *) L"system");0 o1 m$ T8 y4 ?0 z5 v9 Q
VariantInit(&requestVariant[1]); # F9 E0 m" L! N! S7 Y1 G
requestVariant[1].vt = VT_BSTR;
* D2 H* g( Y3 S# Q+ l5 h requestVariant[1].bstrVal = topicStr;" J' |. D ], `; ^" i1 b1 s+ G
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// Set the DISPPARAMS structure that holds the variant.5 v, G8 A, U H I1 r; M/ Z
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dp2.rgvarg = requestVariant;
7 x& q: i$ Y F' V' t8 D" @ dp2.cArgs = 2;
) O3 Z4 j- |4 m& |% F, \* y dp2.rgdispidNamedArgs = NULL;) P1 d( W" N; A. t( r: i
dp2.cNamedArgs = 0;1 g. ^) V4 q# C7 P: M
+ _; c7 o( F, L, b e
var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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# }8 c8 l7 d8 C/ ^' x hr = m_pDisp->Invoke(
+ q# x7 H/ g2 `" l8 i) b# \2 c requestID,5 v" W. [# v! C. O
IID_NULL,
/ a% a6 j8 ?( i7 L3 h# u1 p3 z LOCALE_SYSTEM_DEFAULT,
8 S+ e4 O X9 d$ D- C' s! ~5 Q DISPATCH_METHOD,6 Y! _/ K! v5 u* n6 p" G
&dp2,
) b0 n* G: w$ I; ]6 m; Z) F &var,
6 L7 _8 g8 u7 K: F# P &ei,
2 w |1 y4 {7 B/ w; S2 Z6 v &uiErr);) G! t, V2 a$ B
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SysFreeString(topicStr);5 `, z. h! H5 Y3 Z& F+ b: }: Y
SysFreeString(itemStr);
$ U" N5 T4 e0 K% v o# W请问该程序是获得extend里面的哪个值?
; N2 c: V! x2 a% Y, x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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