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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:4 k$ j9 \; H3 V2 t4 s1 p: M$ P
Name = (WCHAR *) L"Poke";& T5 x; f6 _; ~+ {
; F5 Z# O, N' N( C hr = m_pDisp->GetIDsOfNames (
) Y1 j9 f7 {& J3 c( w7 `) f' ` IID_NULL, // reserved# `4 Q+ Q4 Q X$ D! ^% f
&Name, // Array of names to get IDs for6 F4 N4 M1 T+ T. E
1, // # of names in the array0 @; ~; e7 u0 y7 g" U) {* B
LOCALE_SYSTEM_DEFAULT, // System locale
* H6 |2 Z* R) h- k+ e2 G8 m &pokeID); // Array of IDs to fill on output
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if (hr)5 \2 k1 C7 h, g, c
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MessageBox ("Get Poke Unsuccessful");! K0 q6 p# e( p" C- s% _2 h$ s
return;4 {. z# {, K: [, x0 b! @6 T
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/**************************传递数据给extend**************************************/
$ T1 {* K, k8 r \ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
& P7 D, \0 W& \6 N0 X. G4 R9 s9 W" {
2 d6 G% a# Z' ~7 C, {& C9 P valueStr = SysAllocString((WCHAR *) L"1232");
0 N1 |, t) S( ?1 S0 z VariantInit(&pokeVariant[0]); ; A) w8 q. v9 i: \- \% m4 I+ o. |
pokeVariant[0].vt = VT_BSTR;- q$ w' J0 E2 I5 x
pokeVariant[0].bstrVal = valueStr;
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9 ?1 Z t; F; S- y4 U. d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 m6 f3 q- y+ J, G
VariantInit(&pokeVariant[1]);
# Q& P6 m; @. N) F% H3 C pokeVariant[1].vt = VT_BSTR;
) H! d! l; Y. o9 `% Y pokeVariant[1].bstrVal = itemStr;
6 M- p4 ]& o* p& X4 ?$ d" }
" T6 }. Y! F) J3 n8 I topicStr = SysAllocString((WCHAR *) L"system");
$ i F! h5 Y$ I6 `9 a VariantInit(&pokeVariant[2]); $ M" W; B1 m! C( c2 f/ p
pokeVariant[2].vt = VT_BSTR;
% J$ m* f; s/ H$ L$ b% { pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.& y9 [& s8 F( D+ @
& S, P( V" j3 U. c3 A4 j% Z dp.rgvarg = pokeVariant;
* @1 \5 @% R) i# X, d7 R% q# h dp.cArgs = 3;4 |5 I7 H2 e3 Z) F* R# T# J( { j
dp.rgdispidNamedArgs = NULL;
4 v. Q% J# ?; f$ W& m2 T dp.cNamedArgs = 0;
+ E4 u7 U8 ]; G/ o3 j" C
8 X/ d4 ` v2 n( @4 T// Call IDispatch::Invoke()/ o1 k6 M5 _% {% B0 S; m) F8 ^
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hr = m_pDisp->Invoke(4 I6 j$ c! L& @3 S3 N
pokeID," t( C& a' U8 A+ J
IID_NULL,* V0 j7 X1 m/ ?2 A, T
LOCALE_SYSTEM_DEFAULT,3 C" m e" i, h+ @3 E- y% _: z" b7 A2 b
DISPATCH_METHOD,2 C, H) A; v% W4 _
&dp, g$ \! T* q, K6 y$ b% U
NULL,
2 t, S- ^. a% _2 Y2 L &ei,
4 T G; s) h3 d+ w &uiErr);
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! ?) C/ X! t5 W4 J; w SysFreeString(topicStr);7 Z+ K. r, h" {# Q: \' w" j3 ~3 _
SysFreeString(itemStr);
& ^7 V1 T7 Y2 j0 G8 E' s8 u SysFreeString(valueStr);
0 Z* N1 o2 o5 L4 {
. C2 a% r! J+ I( F) F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???8 S5 O; \; K: H6 a& l1 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????: K$ d0 S$ y5 q3 p
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2.这是request的程序
! M' c! J& A4 w( {1 A// Request a value from Extend1 \2 ]9 C8 x- X: X- R
//
7 c% s) l- O5 | V! ~) \ ~# p// Initialize the variant that will hold the BSTR. Set the variant's
# B9 S/ x7 S0 _// type flag to indicate the fact that this variant holds a BSTR. Place the# H6 U1 C" U5 p5 ^7 t K
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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3 W T8 x! [ c( p3 m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 e/ O) X3 B7 G) z VariantInit(&requestVariant[0]);
; Z) d8 ~9 \9 F z' s, M3 G requestVariant[0].vt = VT_BSTR;6 r7 O: A7 q" q6 j/ w9 p
requestVariant[0].bstrVal = itemStr;
! [2 {7 Z$ Q( f0 t i
3 z, m% V0 v( _4 o6 Q. ], t3 D1 A( F topicStr = SysAllocString((WCHAR *) L"system");
4 f( J2 h5 U' B0 J9 Q VariantInit(&requestVariant[1]);
" i. F- H- F" ? t requestVariant[1].vt = VT_BSTR;2 {5 k9 ]% J1 j+ f1 W8 \, P
requestVariant[1].bstrVal = topicStr;" b% Z9 x' W3 s
3 t; F: U" y9 W6 O// Set the DISPPARAMS structure that holds the variant.2 Z7 e, w e' T& C0 ]+ g5 H- H
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dp2.rgvarg = requestVariant;8 s8 ?' A6 v! \
dp2.cArgs = 2;
; O2 |) [* t. Z4 |7 | dp2.rgdispidNamedArgs = NULL;. `3 t7 D/ J6 I" e& [9 E }) v f' e
dp2.cNamedArgs = 0;' n; x3 @& S) ]9 V9 |! r
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()2 Q% C- @6 F3 x* l$ `
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hr = m_pDisp->Invoke(9 L* Q! f0 u2 O7 R
requestID,
7 G. V5 |& J% I1 H3 A* w IID_NULL,5 y$ H4 n7 _# k. k; o( }
LOCALE_SYSTEM_DEFAULT,# R/ Q% _; o ~3 U6 _
DISPATCH_METHOD,* z* X O( o. `: h; m/ W
&dp2,
6 O$ ?6 U5 b# K5 Y &var,
5 i! C$ Y* u( Q4 d {3 b- M, X &ei,
' t- m& d" g( A5 O &uiErr);' U4 P2 u: S) L9 G2 e7 b4 K
/ k: Y" M9 o+ I5 l SysFreeString(topicStr);$ H9 ]- p' _. v8 q/ }. y& n0 Q5 o
SysFreeString(itemStr);3 X$ s, g- t9 X1 e& h
请问该程序是获得extend里面的哪个值?9 l6 }# X% r1 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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