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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 g H1 M/ T% m3 d2 e1 F3 F6 F f2 ~
Name = (WCHAR *) L"Poke";
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c1 c: ~; D3 p N hr = m_pDisp->GetIDsOfNames (
" b' r* G* x; W+ H8 G$ Y" F IID_NULL, // reserved0 s- R3 X7 Y: q$ `% P5 M. X" n
&Name, // Array of names to get IDs for2 }0 Y8 o" r& G3 P3 c) k- u
1, // # of names in the array6 y q- m$ q; ^3 p
LOCALE_SYSTEM_DEFAULT, // System locale
: i9 J& A3 G2 M A/ d( P &pokeID); // Array of IDs to fill on output
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% B8 X. m/ d8 C3 B+ V5 N if (hr)
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MessageBox ("Get Poke Unsuccessful");; ~( H% A n8 {0 ~
return;
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/**************************传递数据给extend**************************************/
) L9 m* D1 B1 ]* N$ t" D' ` pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
7 J% @) ]4 c4 C VariantInit(&pokeVariant[0]); / Y& S7 W& Z* K' @: j( R+ U3 T
pokeVariant[0].vt = VT_BSTR;
1 m6 T: K+ V, J, d$ ? pokeVariant[0].bstrVal = valueStr;
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# l2 Q" Z+ d3 H! n1 }1 k3 l itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 W! h( L: d3 F1 P, a9 m5 t d VariantInit(&pokeVariant[1]); ) X9 r; ~/ p% s6 }
pokeVariant[1].vt = VT_BSTR;/ \7 Z8 s7 z2 ^1 b! R' B0 f q
pokeVariant[1].bstrVal = itemStr;
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8 d$ A0 J0 F, A3 j( E& M topicStr = SysAllocString((WCHAR *) L"system");2 w" D$ r% H2 K; v
VariantInit(&pokeVariant[2]);
- S- c1 {. V- z7 S1 f2 v6 w pokeVariant[2].vt = VT_BSTR;
% v/ g& A/ q1 ~8 _- z pokeVariant[2].bstrVal = topicStr;
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: h# t" ]/ B: N8 k$ N" d// Set the DISPPARAMS structure that holds the variant.8 t! x9 d# D* {! U% Z
5 Z4 p6 Q6 y: @. D dp.rgvarg = pokeVariant;
. H6 @; D. s: q! W% ~7 @5 F dp.cArgs = 3;
: E. M$ C1 g8 k5 g4 i# _ dp.rgdispidNamedArgs = NULL;
7 h# m; |: n" S! f$ J4 j dp.cNamedArgs = 0;0 J1 O# ~. w! r6 e# Z: X
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
; I, z, [6 I' O7 F2 g) q. c pokeID,
3 z; x! o5 t2 r( A' F; P- J/ p) u6 d IID_NULL,7 P8 b% o' n4 Z8 {
LOCALE_SYSTEM_DEFAULT,1 u2 {( M+ }- G: v" n: M5 P
DISPATCH_METHOD,
$ q% a# V9 l8 W( M &dp,
0 S. n) g& d3 ]! ^ NULL,1 P2 M* r0 `+ j' [( t) J
&ei,
2 T9 R$ F5 m- \ X1 m &uiErr);
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; `# V' N8 u I SysFreeString(topicStr);( F( h3 O& m9 ?" F) s. ^& y( K+ \
SysFreeString(itemStr);* {/ e- L% z5 Y, E4 c' u
SysFreeString(valueStr);4 s' k* e$ b6 D1 K; @$ @
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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???( X. {" }7 S2 y% y3 M# 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????* l# h& H; G, k5 v
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2.这是request的程序
$ f! r/ I/ G, H# d9 G// Request a value from Extend
( @6 O8 F5 s$ |9 D4 H* z% v. B1 `//6 l& q- T H& i2 r q
// Initialize the variant that will hold the BSTR. Set the variant's; q* Z$ {+ s. E+ H
// type flag to indicate the fact that this variant holds a BSTR. Place the. ?% O# ^' ]( ^( ~0 [
// BSTR into the variant structure.
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2 l% p# m; ]0 g- `" g# ?! l requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, i* v; x9 J: d" S) c' u
VariantInit(&requestVariant[0]); + p0 o& B, r: }( w
requestVariant[0].vt = VT_BSTR;
, z4 Z& v+ R+ N; z ^: w requestVariant[0].bstrVal = itemStr;
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' b# M8 N! E' s3 R" i8 M topicStr = SysAllocString((WCHAR *) L"system");3 e$ M3 h+ B" ^2 w" }% p
VariantInit(&requestVariant[1]); 9 ^- X j2 l3 O' T* f
requestVariant[1].vt = VT_BSTR;' w+ g l5 M& b' D+ Z, I
requestVariant[1].bstrVal = topicStr;
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# K" C6 L0 }' m* s// Set the DISPPARAMS structure that holds the variant.
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0 {) t1 X7 l: L6 @# ?8 x' V dp2.rgvarg = requestVariant;% }, ?# P0 L: Q: z6 c$ I% q
dp2.cArgs = 2;1 {6 S* S( l. }! s3 P% ?! z1 a" x
dp2.rgdispidNamedArgs = NULL;
5 K# S1 K% v( N) Z dp2.cNamedArgs = 0;
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: h2 H7 J8 S. q( v- j var.vt = VT_EMPTY;
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0 Z% I4 V7 v& P9 ~// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
9 O5 F' y E& {0 P! m* l& Q8 _ g requestID,6 G: R _9 I/ G+ x( C
IID_NULL,7 k7 @: Q0 K8 y; i7 m8 S
LOCALE_SYSTEM_DEFAULT,
' J" Q0 n3 o; A" Z- z S( ] K DISPATCH_METHOD,
( r' P0 [& `1 K+ O7 ?4 A, ` &dp2,; {5 w8 s$ ^' n7 d" N
&var,, b9 n$ K) I0 r; C$ h4 S) ]
&ei,/ B- \3 A" s$ T/ T8 _8 F
&uiErr);
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SysFreeString(topicStr);. C1 {+ x+ b8 _7 x
SysFreeString(itemStr);
- y5 ^6 t' l7 g! n请问该程序是获得extend里面的哪个值?
- w4 m+ s* \( z& ^1 z- 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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