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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:( o% Y5 b0 S( {/ ~- q' L2 a0 Q! h
Name = (WCHAR *) L"Poke";
! \$ L* Y2 w3 c# S- e
$ z2 H! j( a( q& d9 s& J hr = m_pDisp->GetIDsOfNames (0 ~2 s2 q+ p* i+ k; d
IID_NULL, // reserved1 e9 Z0 r$ {0 ^4 f& `8 ^) m
&Name, // Array of names to get IDs for
. u) k( K( z2 Z7 P8 Q* B3 K, g 1, // # of names in the array7 j+ O" l0 r3 k" a% [
LOCALE_SYSTEM_DEFAULT, // System locale2 \" t8 D0 I1 N4 T/ _! h e2 J5 V% @$ O
&pokeID); // Array of IDs to fill on output( h! ~- ^& }% ?) ~/ W% g
; W* ^- p% n5 h8 v
if (hr)
- G2 J1 l0 r8 M) X: T {# M+ g: N2 h, {* v
MessageBox ("Get Poke Unsuccessful");
/ o& X' X7 r8 X# S- \5 M return;
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' Z6 g5 k' b* e0 g/**************************传递数据给extend**************************************/
# g' [0 w6 `5 |# r& I6 U# T# d: z$ V pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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; n. o& B3 [7 x" D) H" p7 Z) r6 v valueStr = SysAllocString((WCHAR *) L"1232");
' x. P& r- P$ x: n5 \4 |$ e VariantInit(&pokeVariant[0]); . ~2 O. L! x0 l: M/ [3 M
pokeVariant[0].vt = VT_BSTR;, s% Z) N( i3 P1 G/ Q, Y
pokeVariant[0].bstrVal = valueStr;! M1 m5 V- h3 a0 X
# A3 _7 S; F7 |( m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 X$ a/ y7 `6 N9 M& ^$ {6 T9 m, @
VariantInit(&pokeVariant[1]); ( L# z& v3 R& g* ]6 n% L+ t
pokeVariant[1].vt = VT_BSTR;2 N$ c0 b, }! i! o! E
pokeVariant[1].bstrVal = itemStr;& Y& G* S2 E& I s1 C8 `
3 O% w* J% }5 L: v( A) N. \! g9 K topicStr = SysAllocString((WCHAR *) L"system");
/ T; ^5 X) L# O; D# `3 N VariantInit(&pokeVariant[2]);
$ u$ D5 P! }! W9 B" k* h pokeVariant[2].vt = VT_BSTR;
1 d4 Z$ W7 g5 s$ b. v pokeVariant[2].bstrVal = topicStr;/ p: U1 x* T$ L. T* R9 c0 n
: w' N6 ?9 s" [, P% R// Set the DISPPARAMS structure that holds the variant.
- R# d- \' }" V! X4 }
: P/ X$ n. X$ A+ ^% K( [ dp.rgvarg = pokeVariant;
: w6 P& G. b6 T) L: e; w |5 ] dp.cArgs = 3;
5 z; p _7 q: M" O& g) Z( V dp.rgdispidNamedArgs = NULL;2 P4 m3 J/ j+ h
dp.cNamedArgs = 0; t; J0 X) J5 Y* h, f
1 c i/ W5 e" f/ l( }& P) ~! c// Call IDispatch::Invoke()
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% w! c9 s8 [8 ]: R& n$ Y hr = m_pDisp->Invoke(/ _* i/ Q9 U2 y; v. g
pokeID,
" e! M8 l' {4 M; [8 d* Q IID_NULL,
! L& c4 C9 g# Q1 F; ^ LOCALE_SYSTEM_DEFAULT,& z Z! B- E: \6 Y4 p4 n) s
DISPATCH_METHOD,- L+ R! j0 e/ f0 ^# X6 O q) ^" [
&dp,
@( s* B9 L+ X$ n8 X j" }: y8 H NULL,0 y! P8 c2 k" P9 j/ t
&ei,1 g* `5 T- o& ~# n4 o. G) C
&uiErr); u2 G8 Q9 F6 G, l
* B! Z3 l0 W( O- ]" M% z. {) b7 i SysFreeString(topicStr);& _/ P: O9 g' `
SysFreeString(itemStr);/ g, s9 o3 G ?1 O- m" [2 ?
SysFreeString(valueStr);! G' l; `6 {0 |
2 p8 ^! j* ^& ]# X; ?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???+ K8 O. @: z' t" ?) B
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????% u- L$ }. L. X0 v; y5 m
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5 X% U+ x2 {4 e2.这是request的程序! ?, p$ `& q, I; C1 I" h! I% ^# X
// Request a value from Extend( `% k; O4 l4 \" ?
//
- v% k9 n: _& y* z% v- r// Initialize the variant that will hold the BSTR. Set the variant's q! p2 a& Z- M9 w0 d
// type flag to indicate the fact that this variant holds a BSTR. Place the
* a1 w- U5 n+ d* E9 i4 Z// BSTR into the variant structure.6 [0 L. c! r: J% J
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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" T: u2 B, c$ L) V2 O% z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* t" ]6 w3 z, P5 s8 C5 r
VariantInit(&requestVariant[0]);
9 B3 c7 x! k* H' w requestVariant[0].vt = VT_BSTR;
- B+ c9 F. a1 W, R; A5 F requestVariant[0].bstrVal = itemStr;
2 H9 g# t3 e6 @. z" x' l0 e& X) i+ V/ P# V; o' k/ o3 @
topicStr = SysAllocString((WCHAR *) L"system");! L8 S1 _5 z+ |& h5 E S, {3 U
VariantInit(&requestVariant[1]); 2 {: F: b' [. d& E/ u: N3 f
requestVariant[1].vt = VT_BSTR;: i! t ?9 x8 }7 T
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;2 p# R9 p# U$ M, B. z+ I4 z3 {; G
dp2.cArgs = 2;
9 q8 ^2 [4 t) Q# z) }) E4 } dp2.rgdispidNamedArgs = NULL;
+ w# d' Z- w) b P" L$ i' p# n dp2.cNamedArgs = 0;
- m0 m1 K. Z9 _% u" ^
- W' S6 J/ W) |( h var.vt = VT_EMPTY;9 X1 k# m( S V7 t; { K% s0 k
+ _& h* E7 O) m- O9 U- X# Y
// Call IDispatch::Invoke()
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: F( n2 a$ k9 H. r% v6 } K3 \ hr = m_pDisp->Invoke(' r# h1 A& V ~* j/ l; p! p) V2 Q5 }
requestID,: |0 W, T2 t0 M4 s5 G" e( D
IID_NULL,) s: \' F3 q; P# U- C: A+ y" d
LOCALE_SYSTEM_DEFAULT,% A2 u& z- s/ @
DISPATCH_METHOD,
1 |6 N+ f6 a) b7 N &dp2,
7 }( E r7 E! e, y &var,6 z% ]0 a. p/ ^4 p* q' {6 J
&ei,) a9 m6 c! |) x4 i
&uiErr);
, {9 B$ f' m c5 p) T f$ Y5 _
9 p: u6 C6 @+ I1 V SysFreeString(topicStr);
; l. C [. e" t) U) o8 m, [ SysFreeString(itemStr);1 `/ \8 d4 |, c# G) Z/ L; ?- w' ?3 v
请问该程序是获得extend里面的哪个值?
2 J/ t, D0 o+ Y4 u W; ?6 w P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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