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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 W% Z/ O* s+ EName = (WCHAR *) L"Poke";
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+ R, b2 @6 K# Q) M8 @* A9 d6 D hr = m_pDisp->GetIDsOfNames (
9 _6 J$ w; e) c4 D IID_NULL, // reserved) ?+ E K' T; \* ]( m
&Name, // Array of names to get IDs for: U8 ^1 H7 t& u1 k* r/ s
1, // # of names in the array" l* G! H2 a4 E
LOCALE_SYSTEM_DEFAULT, // System locale
2 M' ?" G3 f9 _6 S &pokeID); // Array of IDs to fill on output# q! B" |+ O2 m
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if (hr)
# p0 g) p% D6 w& W4 v! L {
) e& D# ~2 x! H1 ^" v- W J MessageBox ("Get Poke Unsuccessful");
$ `1 ]& b7 E* @7 j9 L& t4 ~ i return;
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/ ^3 l4 X0 ], j5 V* [! }/**************************传递数据给extend**************************************/
& p3 [- O, M5 w" t [3 l. a pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");, e, u$ {) E# ^* _* C9 B
VariantInit(&pokeVariant[0]);
: J8 R+ u5 k( a" t pokeVariant[0].vt = VT_BSTR;2 j& `# x3 \. G, a( m$ T' ]
pokeVariant[0].bstrVal = valueStr;; k4 R/ |1 D, }/ W. `6 T- a9 S
6 E5 x3 q9 K; h7 w& y; f4 q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! j7 p$ g" `( ~) ?1 F
VariantInit(&pokeVariant[1]); ) [8 \2 X$ ^# V1 A9 E
pokeVariant[1].vt = VT_BSTR;
" p: @/ A+ p0 } pokeVariant[1].bstrVal = itemStr;3 c% c: ~8 H& c ?
0 @- A% g u9 E9 Y. J* h0 i topicStr = SysAllocString((WCHAR *) L"system");- X1 @ B6 z6 L& I/ J1 p1 N
VariantInit(&pokeVariant[2]); 8 e1 Z" x3 M3 i# ]: |, [
pokeVariant[2].vt = VT_BSTR;, x0 S3 Y: o6 D; Z
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;& S8 n0 ?& x; A) ?9 R2 X: p
dp.cArgs = 3;
/ b7 u$ A( B; S2 m! U6 U! s1 v dp.rgdispidNamedArgs = NULL;0 i5 P x. _; a9 c: U
dp.cNamedArgs = 0;
. G5 M# ]/ X8 y. ?. s
7 H8 ?& p& ~* x// Call IDispatch::Invoke()4 l$ X7 s9 H: i; x8 s2 o( J% p
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hr = m_pDisp->Invoke(% j8 Y2 j# k7 S3 E; r+ _
pokeID,% b* Q: k3 v$ O, J7 [# A# V/ ]; ^
IID_NULL,
* W4 V* O. K4 H. Y LOCALE_SYSTEM_DEFAULT,
& O" w( b) y. d$ B DISPATCH_METHOD,
3 h1 q8 e4 B8 W* y. V0 a0 O$ C &dp,, N O$ K. l7 C, `& k3 l( G, z4 C
NULL,* l, s( T) H4 d( W4 [
&ei,
' f" h$ M" `, l: B- C( O &uiErr);' {, Q, y- ~0 ^; {! q( M. Q2 c
% M4 H( g1 A# K- t. h! {
SysFreeString(topicStr);
; ~ {2 I9 w1 f9 X; Y) Z- y SysFreeString(itemStr);( W! g' `8 `9 R
SysFreeString(valueStr);
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( Q) k' ]; c2 c$ T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???
# [* T# P* J& h$ o7 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????+ q* ^" ?; L0 I6 l! ?: e! I
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3 F% d4 t1 B( ]0 T, q5 S: y5 s3 c
2.这是request的程序- S; y( W, Q1 }8 c& i# z
// Request a value from Extend
% O( [, I& b: X' v3 t0 m//) b/ n, S ?# r! p) A3 I
// Initialize the variant that will hold the BSTR. Set the variant's% j9 B( K" i' }# h* r3 w# A8 \( i
// type flag to indicate the fact that this variant holds a BSTR. Place the
, R# f# \0 s! t8 {// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, }0 I, P6 L- R6 T6 G+ h+ [) D
: `( V" w& ~; o$ }; L itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ N1 ^! C: v6 P7 n! `
VariantInit(&requestVariant[0]);
- ]* N* }0 L; l1 Y- n! o6 h requestVariant[0].vt = VT_BSTR;
K3 w# v( R+ T" P! [ requestVariant[0].bstrVal = itemStr; L/ l; P& x4 C
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topicStr = SysAllocString((WCHAR *) L"system");
; d @( V. b* p! T VariantInit(&requestVariant[1]);
3 b" Q: o& P* ? requestVariant[1].vt = VT_BSTR;7 h3 L8 E9 F! O! p( E# ?
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
; A7 A7 [# F9 L/ M, o dp2.cArgs = 2; n6 k( Z" V2 \5 H$ \
dp2.rgdispidNamedArgs = NULL;
7 {% C+ m ]+ l5 g e& n+ ? dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY; Q* @1 l: S$ b: l) x
# K9 b8 M& _& J% k// Call IDispatch::Invoke()7 B; h" V8 |; l/ k+ E6 T- {+ U
4 Q4 @% `$ d+ g# a. @! C hr = m_pDisp->Invoke(
8 O3 P' g/ G0 P- v) H requestID,0 w8 G* ]! v, K% D/ t
IID_NULL,
3 D8 P6 X; G7 g; a LOCALE_SYSTEM_DEFAULT,
) {. X+ k) S4 j1 R% [ DISPATCH_METHOD,
8 s2 o: o8 U( h& g9 s &dp2,; M; f( b0 r; Y; s8 R
&var,
, }8 {$ W8 I1 C/ l9 ~# e. d, R &ei,2 G* Y7 L: V" T8 t
&uiErr);! l; ~% f! |! [! b% K- a
5 f( W ^4 G9 h( I! _9 p SysFreeString(topicStr);% G7 `( w3 w1 D" }% h# ?: D5 w% |
SysFreeString(itemStr);
+ [3 p! C. M* @, |. b# @, ~ y请问该程序是获得extend里面的哪个值?% D5 x/ [5 c7 {7 O) ?$ Y3 X& f
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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