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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 V! ]+ o) G! X. |) K0 _: w8 d( k6 dName = (WCHAR *) L"Poke";6 E- Q& H2 [* K! F
5 _ p T# v, i6 m6 r! X% U hr = m_pDisp->GetIDsOfNames (3 l- |4 p" {2 \0 I, i/ h7 S
IID_NULL, // reserved
7 B* e- d& @/ E &Name, // Array of names to get IDs for
6 x* e% g; u/ O4 O5 | 1, // # of names in the array
2 w6 G% [! `9 R! j6 I4 ^: z LOCALE_SYSTEM_DEFAULT, // System locale
+ Z8 k2 b- r8 a! C7 }% b+ n2 B &pokeID); // Array of IDs to fill on output' M. d0 m' r1 {( b0 A6 N! w) ?
$ Q0 @' \$ o3 @% k, W/ g if (hr)/ r& M- e2 [( B- ]
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MessageBox ("Get Poke Unsuccessful");4 F* h' n: q- A9 w; |4 Q( r/ U# p
return;
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/**************************传递数据给extend**************************************/
" Y0 A2 d" h% `7 h pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
$ B; w/ F. ~8 P8 N VariantInit(&pokeVariant[0]); * ?: F* v& V* ]
pokeVariant[0].vt = VT_BSTR;% q! h% `' ^ o5 ?% R8 ~3 W* {
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- B$ Z8 U$ o) n2 D6 |+ x5 p VariantInit(&pokeVariant[1]);
1 @7 e2 l0 U" P, @ pokeVariant[1].vt = VT_BSTR;
% ]& h; V/ ]7 ?2 { pokeVariant[1].bstrVal = itemStr;* z5 y! r6 Y- }1 f6 s0 Z$ o2 h
# X( L2 ]: y0 @: D! J4 H( g topicStr = SysAllocString((WCHAR *) L"system");
2 v. }2 v7 f6 R$ V) Q VariantInit(&pokeVariant[2]);
+ k( ` r7 L1 f0 w& g pokeVariant[2].vt = VT_BSTR;& a/ E: i4 _& b9 Y+ \
pokeVariant[2].bstrVal = topicStr;, l: _/ l: ?2 w" p+ l' ^
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// Set the DISPPARAMS structure that holds the variant.% Y" s q3 ?" _7 ~5 }$ g+ U
( S! k$ y2 r$ [) D* d dp.rgvarg = pokeVariant;
; j9 v- W+ p. b! {/ b dp.cArgs = 3;
. O5 t6 C$ p: |8 I) I% f dp.rgdispidNamedArgs = NULL;9 a" E9 n1 N; _- y
dp.cNamedArgs = 0;8 L. S# t" b1 d8 T1 U1 c; z& Q9 a
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// Call IDispatch::Invoke()
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3 a/ s% k( l" ` j# s0 B hr = m_pDisp->Invoke(
9 \$ F# B' @9 A! q5 O) I7 c5 W G pokeID,% ]7 u5 N) ^7 n( ~7 Q* f
IID_NULL," A0 ]9 T2 g3 u& p- e/ n
LOCALE_SYSTEM_DEFAULT,
( c( h' ?( ]* ?( C* ] DISPATCH_METHOD,
5 A* h$ `, Q# v7 Z% ~, h7 f2 W2 }4 @ &dp,
8 N& Q+ y. w7 z0 _ NULL,
& [& g) X" G* P) |) d4 z: y &ei,) C2 s M( H: p( j7 F7 P/ c" u
&uiErr);& q+ `3 \& @3 ~ q& J: ?7 g
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SysFreeString(topicStr);" H, y3 h+ n' Z
SysFreeString(itemStr);4 T1 @: p% q# C% A
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???
! Q& C! ?% m0 v+ i8 o& 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! O0 {0 M# X0 L" O2 V+ Q
// Request a value from Extend
9 |$ ^9 @0 v& d8 G//
2 J1 g2 q; y! K7 r% ]( M// Initialize the variant that will hold the BSTR. Set the variant's: w( v0 D! m) m8 ^$ W; Y
// type flag to indicate the fact that this variant holds a BSTR. Place the
# _. v3 t8 l% r, t// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);0 Y9 e% h; A9 T2 w
$ J' X) U( j. Q$ T9 X, D" f9 w itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ h/ o: ]/ N9 T4 e VariantInit(&requestVariant[0]); + U, D& z& u- Z+ c
requestVariant[0].vt = VT_BSTR;
* d) T, {% i% s requestVariant[0].bstrVal = itemStr;. y8 i& k- S* z a* {
" [" M6 G6 l5 R: T* y& x topicStr = SysAllocString((WCHAR *) L"system");2 D0 V8 H* c7 [. {. b, W6 K
VariantInit(&requestVariant[1]); X4 W( {/ [: |, h0 V) G
requestVariant[1].vt = VT_BSTR;7 f0 u2 n- ^1 t' H- s
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.3 Z( U6 ^' g" {5 H0 m4 a0 `
! F" L( i2 h8 ~( P6 @* {/ b) x. S dp2.rgvarg = requestVariant;' }! F$ y" [: T! G, ?: U" U
dp2.cArgs = 2;
2 \% G6 p# ?$ D0 J dp2.rgdispidNamedArgs = NULL;
$ O+ x( o. [1 g: P: V5 W. R: q" j dp2.cNamedArgs = 0;
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: H) K( a1 W- U, P var.vt = VT_EMPTY;$ U! k" u8 \# ^/ e7 _( C% U0 d
* _* c, y9 l: t// Call IDispatch::Invoke()
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* P7 S" t3 D3 e hr = m_pDisp->Invoke(
" j2 q7 e% c) l. H+ z, O requestID,
; J) ~. s* T* V% G( H IID_NULL,
; i5 [+ F- h- B& b9 d) k% c( ` LOCALE_SYSTEM_DEFAULT,
p) ]' I. ?1 S o% @* f! J DISPATCH_METHOD,! g! G1 Q. F1 p7 L
&dp2,3 J8 {% I' M. U3 u+ \1 H
&var,
4 _ `3 H- e1 g &ei,
( Y$ U% z7 q7 X9 S$ k2 v& e &uiErr);
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SysFreeString(topicStr);
' c. r0 G' \# S) d9 U, S; ` SysFreeString(itemStr);
7 Z# [: j( w- G请问该程序是获得extend里面的哪个值?
" T! e/ P* Z# U, m6 I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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