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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:
# K( y% f; N0 n3 _0 d& [Name = (WCHAR *) L"Poke";4 }1 @3 K ^+ v5 l/ e
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hr = m_pDisp->GetIDsOfNames (
4 x1 S; v3 x: {6 O5 E IID_NULL, // reserved( f* `( K5 M# b' H* }& I( l" T+ O
&Name, // Array of names to get IDs for
/ [# \7 a( [' I9 C/ e6 P+ u 1, // # of names in the array$ ?& d% v+ ~% ~) K6 a
LOCALE_SYSTEM_DEFAULT, // System locale: c. j( B3 R s/ B! q
&pokeID); // Array of IDs to fill on output
. j( D* l& H1 } Y* y9 ?" x( p 9 [; }3 i: B" m" n( e: v3 R
if (hr)% ~: G# D1 L5 p' F. @0 F
{
v% b& J& F7 }* {. K, b/ y MessageBox ("Get Poke Unsuccessful");# k5 ?. P9 J% H% S1 H! S
return;
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& L* B5 M/ N m2 B% P+ u/**************************传递数据给extend**************************************/
% A8 \$ A: X7 M, n! R pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 } j; @5 Q$ [ }
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valueStr = SysAllocString((WCHAR *) L"1232");; |, |' |3 Y- B/ {' \: h+ J
VariantInit(&pokeVariant[0]);
% Z4 [' x2 F2 c2 s+ ` pokeVariant[0].vt = VT_BSTR;
$ b) e5 h5 n" c a7 K' _0 T- W pokeVariant[0].bstrVal = valueStr;/ Q3 ~+ S$ Z+ |
% {/ x. U9 C9 z5 L, w1 F itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 Y7 [# d! R3 v( h: r2 p VariantInit(&pokeVariant[1]);
8 C( a+ C$ X$ ^, Z4 T; N% J6 G pokeVariant[1].vt = VT_BSTR;
; r' r- a; `- i6 V$ c4 W pokeVariant[1].bstrVal = itemStr;! G; |# X) r0 {, M9 c
( [% ]9 F+ G& x topicStr = SysAllocString((WCHAR *) L"system");1 P0 r( A" l8 v" K$ g ]
VariantInit(&pokeVariant[2]);
5 w) _1 R* K* ], T' g$ a/ ~ pokeVariant[2].vt = VT_BSTR; z) G5 Y. Y" P4 w3 e! k) K. B
pokeVariant[2].bstrVal = topicStr;
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( O6 o& _6 s. O+ X k// Set the DISPPARAMS structure that holds the variant.
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, B+ @! C( Y2 F7 S5 S dp.rgvarg = pokeVariant;! y$ `3 t. g% C) k" {6 F/ `; G6 w
dp.cArgs = 3;) l- v& p) f' x3 P% @+ Y
dp.rgdispidNamedArgs = NULL;
# P# Y+ W6 z% U- s7 L dp.cNamedArgs = 0;7 t$ ^: {6 l' U) ~9 `7 B
* s* j+ }6 C2 k" m! l2 l3 ~// Call IDispatch::Invoke()9 r7 T$ W" \, c5 U
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hr = m_pDisp->Invoke(( v, g+ k% {+ E5 [
pokeID,( i9 I! m4 v2 H8 Y0 ~3 c4 A- o
IID_NULL,$ g" `4 ~" `' G* i% K1 D6 q/ u3 w
LOCALE_SYSTEM_DEFAULT,; d) }9 M9 O1 |. p: {- u" d
DISPATCH_METHOD,
0 b5 j& A3 k/ t2 O9 ], S, `! x4 t &dp,. H3 {# O" a) R! p
NULL,
$ b' G4 [; r& P" @ &ei,- E" U3 l6 H% C# {( i/ K0 S
&uiErr);! g3 ~' z* U5 f" F N" c
5 s, Q7 R* d/ D0 m* [# O( W
SysFreeString(topicStr);
+ q6 D/ w! R7 ^# _$ W4 ? SysFreeString(itemStr);" t7 B5 p7 ]# P6 i9 K
SysFreeString(valueStr);
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. z8 }' e+ l5 C( O7 H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???
! H- O+ d9 R& c8 t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; Q3 p5 ` ~, ?/ c, U
// Request a value from Extend
( | |" X4 G" o- a//
( \9 Y+ d0 Y5 w6 |* a! b+ K// Initialize the variant that will hold the BSTR. Set the variant's" |$ L, H6 H) p d
// type flag to indicate the fact that this variant holds a BSTR. Place the! B# E! [1 K, I; o7 ^# E
// BSTR into the variant structure." e8 W/ j q9 @1 r/ S( N
# h/ `# w$ R: u3 `
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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9 f; k' m. N! K! z, l9 L itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 P. O3 D5 j# R6 X, M) s
VariantInit(&requestVariant[0]); " C4 u3 D/ m) a5 R$ s
requestVariant[0].vt = VT_BSTR;: M' g( p1 ]* {4 m6 b" K
requestVariant[0].bstrVal = itemStr;
2 b3 \' k) F7 x* i ?7 K) U" i: Z. g0 ^9 B; \) H! h" G2 ~
topicStr = SysAllocString((WCHAR *) L"system");3 q* @% b4 [7 K' H1 t6 q
VariantInit(&requestVariant[1]);
5 @- g* v1 O3 R1 W. U/ k0 e requestVariant[1].vt = VT_BSTR;2 w0 d' ^. e* N3 e8 a
requestVariant[1].bstrVal = topicStr;
4 l( {' n3 j: {: C4 Y& L1 [& T8 F
) r5 \0 T& N$ \ B) s) U9 z// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
/ Z; `$ K% t9 y: ~- \: e: [ dp2.cArgs = 2;
$ V' Z+ Z8 Z. G, ~; w% b dp2.rgdispidNamedArgs = NULL;
, g$ d0 Z( Z9 M2 }# C% I9 ^# C dp2.cNamedArgs = 0;: `' B! W9 F" {6 B0 \8 h& G, M
9 [5 w* P& _/ M6 I" `2 I2 E var.vt = VT_EMPTY;' o: D$ q7 u7 Y7 v) ^
, W6 W+ W; h, S" y// Call IDispatch::Invoke()$ z# h5 t/ G+ t6 J. Y% x' W
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hr = m_pDisp->Invoke(
) q* ^- S+ x* J: e' s requestID,6 j! A8 P4 o% J' q6 b; E" Z: d; W' X
IID_NULL,' B* X4 F) O+ F# p
LOCALE_SYSTEM_DEFAULT,
8 b# N3 f4 w7 k6 U( v DISPATCH_METHOD,' N8 \6 N) z# c- ^* d* C# g1 r
&dp2,
7 {8 R* Z; o Q. b &var,
' U% D3 K9 z4 ~) P &ei,
/ d( d2 J+ c/ H3 `, f &uiErr);
2 Q% |4 A* d5 b% v2 J3 m# v- c* q5 Y/ V2 X: ~! K c
SysFreeString(topicStr);+ N* t3 l( M1 m
SysFreeString(itemStr);! ?, G5 R3 d& P/ ]- [
请问该程序是获得extend里面的哪个值?: F$ y2 B: E1 M) a+ J
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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