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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:, U% {8 t5 g: K4 h8 g- e. \
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
" w# K1 \ l0 Y: L9 W IID_NULL, // reserved
( E( W' X' s# b& |* I/ h &Name, // Array of names to get IDs for
5 A6 _7 o' m6 n7 u( \! ]8 c 1, // # of names in the array8 \1 t$ P+ _7 g# @) q+ Q
LOCALE_SYSTEM_DEFAULT, // System locale7 m9 j4 P% X1 c: f. W6 K
&pokeID); // Array of IDs to fill on output6 H& C" H8 \. u9 e( Y6 _6 f
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if (hr)' y) d% M" o, E+ {% O5 C* f
{
- C* {% z" ]* s* D MessageBox ("Get Poke Unsuccessful");
2 K* x. S: i* c0 x return;2 U9 F- B7 i0 i# c; d, m( L
}
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/**************************传递数据给extend**************************************/: ?' A) b2 p5 R9 [) U
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");. f0 f$ j# N \1 \
VariantInit(&pokeVariant[0]); 4 E6 e4 a1 z& H2 Z/ J+ \' Y" o
pokeVariant[0].vt = VT_BSTR;
0 z5 A) }, x6 w) { pokeVariant[0].bstrVal = valueStr;
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* [& Y- b& r3 a6 E itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' X8 I: w( |" L- }5 B& x5 @1 P VariantInit(&pokeVariant[1]); * b0 j: q) g3 w3 Z0 {5 X
pokeVariant[1].vt = VT_BSTR;( h+ E( C9 A! E+ L$ c( v
pokeVariant[1].bstrVal = itemStr;4 K. u$ ?" ^; l6 l. b
+ e/ s, [* Y; v; p topicStr = SysAllocString((WCHAR *) L"system");
v8 S+ f7 @$ ~) }/ r VariantInit(&pokeVariant[2]);
! P* J' C) y: w1 ^# m: |& g6 f1 f pokeVariant[2].vt = VT_BSTR;
, D- E- N+ K/ i/ v pokeVariant[2].bstrVal = topicStr;2 i2 Y. X& _) @2 J0 X [6 l+ ?
) u" u: i0 J" F7 w// Set the DISPPARAMS structure that holds the variant./ _" a5 T% h; V! |8 p
: ~$ ]/ W l* {. @: q: m/ J. \3 p7 d dp.rgvarg = pokeVariant;
4 J7 |1 C4 p1 P" n' m dp.cArgs = 3;1 m6 x! w0 ?0 q3 |) q ~" t
dp.rgdispidNamedArgs = NULL;
2 @7 J* w9 b) W) p dp.cNamedArgs = 0;1 M/ Y+ R0 `& R& N" a
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
) K/ U Z' L8 `$ | pokeID,
1 A, v' n* \5 N( b9 ^3 j4 \6 m/ a IID_NULL,& j+ X: H$ d6 N+ C6 U' ^4 w- [+ h& x
LOCALE_SYSTEM_DEFAULT,
& U! j1 j! q" } DISPATCH_METHOD,
: H. j( X* s9 R7 R &dp,
, z4 i+ }3 M$ r. S NULL,! ~; Q! l& F7 G( I% v3 B
&ei,& N0 T. P# J0 b: z v( D# c) O# R
&uiErr);' Z! g: l3 b0 x H& n" I6 ]
2 t0 `9 g4 V2 B' l" J9 e, x a8 M SysFreeString(topicStr);* e) ^1 n$ V" s- ~4 y
SysFreeString(itemStr);0 l( {- @8 n" v! ^1 O
SysFreeString(valueStr);( @1 e' |; d" I/ H; x
5 h P9 O6 k% ? @# G; \ L* e4 g
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??? j( {# r3 |! K% r/ b9 j2 f
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
$ S$ l# a. S* x. r3 g3 i/ T// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's- x, K5 }5 P4 z9 \
// type flag to indicate the fact that this variant holds a BSTR. Place the8 B) T* D. |2 |+ i5 R3 r
// BSTR into the variant structure.( k% T* T! @8 e' T5 g) p
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 z+ ^ V$ [+ G$ L! k& s6 u& T j
VariantInit(&requestVariant[0]);
" c# J2 j% o% K* N. T requestVariant[0].vt = VT_BSTR;; T( @0 [; X9 e# h; N9 R
requestVariant[0].bstrVal = itemStr;
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& I7 d/ _+ |, Y# E* J; m topicStr = SysAllocString((WCHAR *) L"system");2 c5 _6 r) m. p3 `
VariantInit(&requestVariant[1]);
$ Z/ \6 z! k V7 w1 U* y, H) a requestVariant[1].vt = VT_BSTR;
5 ?$ m _3 |0 D requestVariant[1].bstrVal = topicStr;! H! U- b0 ^7 j4 m' b9 t0 ]
7 q+ |) r* o1 s) t+ Q// Set the DISPPARAMS structure that holds the variant.% Q! `( u" o, ~: W0 @: u3 X7 o
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dp2.rgvarg = requestVariant;
+ w) y$ l6 \9 F6 n( T! h dp2.cArgs = 2;, v0 h' l& C: ]* A8 M4 \; p0 @
dp2.rgdispidNamedArgs = NULL;2 A8 o* Y" [$ y: W) W4 c+ c
dp2.cNamedArgs = 0;. N' q' ]0 _! G- r/ x
4 S! j/ {8 X! v% s var.vt = VT_EMPTY;8 g7 _! {4 f) M0 J
3 H, E" g& M( q. A1 h6 ]// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
% H7 `6 m' A, @8 Y: N requestID,4 q! t# N$ W( k- O4 [7 P. T. G
IID_NULL,
2 \" [) l7 q5 n w+ O LOCALE_SYSTEM_DEFAULT,+ C# X+ v! }, {4 }0 ]/ P& g0 G
DISPATCH_METHOD,
% b% e/ r4 i: G# O &dp2,
5 e( M l; J1 S$ Z0 H! s7 ]& K& l8 V &var,& [1 f; z5 r5 |* R/ t9 F
&ei,4 z, [. X- l: H4 P( _
&uiErr);
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SysFreeString(topicStr);3 Z8 _$ Y1 z% X% K, x) {, v
SysFreeString(itemStr);
" B0 k. G7 \2 X0 w, a: P请问该程序是获得extend里面的哪个值?
1 _) r7 w* n" w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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