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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:
! D9 u" Q3 `& Y! d% m* jName = (WCHAR *) L"Poke";
/ `6 v; [% V/ ?" b
, E. P8 p$ K# \/ ^3 J hr = m_pDisp->GetIDsOfNames ( d* E" t% L# y! q: L/ h# X b
IID_NULL, // reserved
; K( @; C. _: C& g$ ?& ~ &Name, // Array of names to get IDs for8 d( d) L3 ?* _$ ^- X
1, // # of names in the array
0 F; c: Z; R7 b/ o* Y) z, \7 } LOCALE_SYSTEM_DEFAULT, // System locale/ K& _ P$ I/ F
&pokeID); // Array of IDs to fill on output
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if (hr)
: J3 B* w, y2 W# Y0 b5 [; f {
. B3 F; T% }, L3 j6 l9 i MessageBox ("Get Poke Unsuccessful");/ a3 o$ X0 |( L
return;
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! h1 G9 J6 u! h( a/**************************传递数据给extend**************************************/
6 q- J. S, r; ~ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
5 W! Q" a3 J- S# ]6 m6 S
0 }3 B1 J! V4 k7 M' I+ W1 O( F! I valueStr = SysAllocString((WCHAR *) L"1232");
$ u# A: b+ k* b; N4 N/ k1 [ VariantInit(&pokeVariant[0]);
; M% l6 t8 D6 ?" @( m8 D pokeVariant[0].vt = VT_BSTR;
4 v( \, @, ~, W, ?+ O: e6 Q$ x4 S pokeVariant[0].bstrVal = valueStr;
6 K; ^" `& l7 T' O9 O! L( ?% b/ G5 P) R4 F/ Y' S2 h. J: }' z( A
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' }% g5 S( c1 n
VariantInit(&pokeVariant[1]);
8 M" R6 U! |0 C) A! b/ z pokeVariant[1].vt = VT_BSTR;
7 s! j8 \. k" y" m# W pokeVariant[1].bstrVal = itemStr;
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2 i! _7 }0 D; n9 D* `- ~1 f topicStr = SysAllocString((WCHAR *) L"system");
. I$ n/ K2 C3 B5 c VariantInit(&pokeVariant[2]);
; Y* K& l. {3 S4 F' t$ H3 K pokeVariant[2].vt = VT_BSTR;
* e7 Y- k4 Q( _ pokeVariant[2].bstrVal = topicStr;) e m# \: J4 ?8 K2 U. T+ Q
/ L7 x- ?8 V' O- {8 k// Set the DISPPARAMS structure that holds the variant.& A$ t" ^8 N q5 [
+ o+ ~5 ?8 f3 i/ C) V dp.rgvarg = pokeVariant;
% J7 x, A5 |. J1 p& f, a4 u. A dp.cArgs = 3;; K0 X4 N& X r( R( T
dp.rgdispidNamedArgs = NULL;& q, @+ b3 _) n' h( x$ b
dp.cNamedArgs = 0;
1 w8 ^ {$ F: h$ a
0 A; y6 ?. }( I% ^8 P/ P# y% r// Call IDispatch::Invoke()6 e- m- U1 B" k6 I! B ^6 I
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hr = m_pDisp->Invoke(
. e, I% s1 r( ?3 Y pokeID,
R* E& M9 K/ z! J1 x- z IID_NULL,3 {1 W6 r% @5 p1 M f* I$ K
LOCALE_SYSTEM_DEFAULT,
. O6 N' e) \- e7 s, B0 h( O1 M DISPATCH_METHOD,' H" G4 g3 C7 I
&dp,
- }; F3 x) l6 P: s5 p) J. \4 { NULL,
/ L! e( m; V- r+ @) l &ei,
' r( Q3 y/ F- |; l* { &uiErr);" {( `- B/ H: @. c& N+ v' ~
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SysFreeString(topicStr);7 L& U% Q( f$ y
SysFreeString(itemStr);
/ S5 W# F2 y8 g. q! x 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???. K) F( Q. o" j$ L4 J
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???? m. ?3 {8 R$ y0 M4 m
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3 Y+ v: W! m8 @" ^, {9 K2.这是request的程序
) E y0 a& j1 U0 Z% P- X& ^+ R9 C// Request a value from Extend
" ^7 D/ Y7 \1 i' @. f//
4 P1 e0 G4 z0 m$ a9 Y( T// Initialize the variant that will hold the BSTR. Set the variant's F' q* u6 ^; e, W
// type flag to indicate the fact that this variant holds a BSTR. Place the
9 v Y) n/ {6 s) s( U// BSTR into the variant structure.
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7 I, g' o8 O9 f9 v" G$ g requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);3 S3 H/ b. ?2 \+ M, N/ W5 b/ g
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( Q' ? W$ C/ L7 m/ E0 i
VariantInit(&requestVariant[0]); # g0 s5 ]9 f6 l( j1 @; g6 I
requestVariant[0].vt = VT_BSTR;
9 K$ o9 l9 d0 K) \% A6 x requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");" d$ R6 L8 v5 J
VariantInit(&requestVariant[1]);
: F3 ]4 e f2 u2 j7 N ~6 U% b requestVariant[1].vt = VT_BSTR;$ I( R( N& j) ~7 P
requestVariant[1].bstrVal = topicStr;- J$ K6 A8 a2 J# b- `9 {( G
8 g* u- f( C5 H% I: D* I5 O; Y// Set the DISPPARAMS structure that holds the variant.
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+ ~6 _" Y* a h* s3 |9 n0 Y2 a$ O dp2.rgvarg = requestVariant;
( Y0 V( Q ~- q X$ y7 R( N& v dp2.cArgs = 2;
8 G Q: I8 r3 `( O3 ^1 f dp2.rgdispidNamedArgs = NULL;* @* h6 Q k. I7 y6 G8 ^! o% B
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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! c( k: A+ D9 ]0 c# L. E// Call IDispatch::Invoke()9 I) Q4 y8 n5 u2 g3 k5 H: y/ |" d
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hr = m_pDisp->Invoke( I) Y$ {8 e3 n: x' v7 `
requestID,
# D; Q( Y) q+ L IID_NULL,
3 ^+ Z: X+ u4 l. ? s/ ` LOCALE_SYSTEM_DEFAULT,& q( z" h: q* T. v6 n* L
DISPATCH_METHOD,# B- a$ D8 W5 e
&dp2,$ {$ |9 ` {" ~6 q
&var,0 r1 D2 B) G. Z% I( g
&ei,
8 W1 h; p( N3 W &uiErr);& f Q$ Y5 f) P2 S
/ ]& y" D9 O6 P/ e. L0 e SysFreeString(topicStr);
1 t; L! n+ _5 v6 A1 g5 ] SysFreeString(itemStr);' @8 S6 y3 g) S0 O4 Y
请问该程序是获得extend里面的哪个值?
1 J' l6 a O+ P- X3 ^9 T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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