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:3 Q: {% W- M' K3 g; q+ E# h: F
Name = (WCHAR *) L"Poke"; 5 H# f" S/ r; O + e1 F, j- F4 b2 e+ L) x! F
hr = m_pDisp->GetIDsOfNames ( 7 u% C6 j7 M% K- T IID_NULL, // reserved + B/ E. M K( A' v4 j; o: ^ &Name, // Array of names to get IDs for 3 u2 f" x! Y! A$ G8 u 1, // # of names in the array 2 C: @; J) V; d# x4 t/ [1 v- v LOCALE_SYSTEM_DEFAULT, // System locale$ a! F2 ~8 ~# y" c& U
&pokeID); // Array of IDs to fill on output ) b5 c- D$ _ r. @ - U7 e) N7 F: g0 B* o i) ^
if (hr) 3 F# P5 ?: y6 D& q { # s3 t$ \2 M+ ~6 U MessageBox ("Get Poke Unsuccessful");9 L6 L9 ?6 }/ b% Z! }0 W k# Z
return; 5 m# T) G- f3 y2 D: N } 0 G& Q5 X% i' @. F" G# C" G- {$ l, O
/**************************传递数据给extend**************************************/ ) I1 ]: L/ l+ C% X: p! | pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 y3 e @: m% x; W2 h u- U) o
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valueStr = SysAllocString((WCHAR *) L"1232");9 m" n$ \) e7 {7 Z, E, j3 V
VariantInit(&pokeVariant[0]); % h5 c' {* Z, F: n& z pokeVariant[0].vt = VT_BSTR;% `1 @( ~! x6 z0 o8 T2 Z
pokeVariant[0].bstrVal = valueStr; 0 P9 S4 k: W3 w- ?2 E4 U$ L9 ^) z! o, g$ a% `% G3 Q8 q; @+ Y
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 5 y$ k# ^( g- m0 ? |6 r5 T' d8 _# \, Q+ v VariantInit(&pokeVariant[1]); - b9 ~# S' q1 k, _5 l5 S1 k pokeVariant[1].vt = VT_BSTR;2 l2 e, l- l2 j8 C0 U9 ]) g
pokeVariant[1].bstrVal = itemStr; ) s% F; M5 F, x. O/ r5 D2 f. K / p4 R; b. Q; ?: s& A$ z7 U topicStr = SysAllocString((WCHAR *) L"system"); / T `6 i8 A) j$ }5 C/ Q VariantInit(&pokeVariant[2]); 8 L' A# w9 d" I8 e+ D% X% D& [ pokeVariant[2].vt = VT_BSTR;/ F' a5 o- _* X+ i/ ^
pokeVariant[2].bstrVal = topicStr; 6 D: y. n$ m2 w9 ]( t( j& k& O; ~$ U6 p( n. f4 \9 S
// Set the DISPPARAMS structure that holds the variant. 5 i! ?5 @1 t, j( `, c3 q# \6 h6 \9 x! M4 p/ c; `/ S4 d7 o' ]
dp.rgvarg = pokeVariant; 3 s0 O4 {( P+ [* t( L' J dp.cArgs = 3;7 S( J9 Q, U7 |9 U% a
dp.rgdispidNamedArgs = NULL;, N2 [ g# H" M
dp.cNamedArgs = 0; 5 M5 G; i, t0 k1 h# D9 A/ v% Z, ^, \7 H* C: q2 e) n
// Call IDispatch::Invoke() 4 E9 J* o0 ]4 V: g2 D 9 P: B% N$ O `+ `( C hr = m_pDisp->Invoke($ P+ y+ _6 D1 z, i0 s, L
pokeID,1 r( f" k4 P E" {5 j" t
IID_NULL, 1 m+ u- [9 |5 O3 I9 O LOCALE_SYSTEM_DEFAULT,- [0 K. q1 h# x2 i
DISPATCH_METHOD,# ~! f3 v2 y& Q9 J! G% {8 _: B
&dp, ! C+ }, V! p3 u- ^5 A( d( D NULL,& Y( r: Q8 i7 C7 y
&ei,: Y' Q9 b5 q8 F' k# y
&uiErr); 7 f. V& f7 _- T( h! R/ s6 g+ M7 d7 \
SysFreeString(topicStr); 5 Y1 S8 f- G, z. G, E SysFreeString(itemStr); 5 ~8 b; Z# q+ N+ t SysFreeString(valueStr);. o* C) A8 K% J8 [4 N
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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???. v1 Y* m+ h5 @6 \
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???? 9 F6 h0 [- m+ k+ J% A5 m; u% |* j7 {% I' S5 l1 }
, j9 h3 s6 T0 A7 e- k2.这是request的程序4 y# B8 v+ y2 x0 V) \* x) g
// Request a value from Extend+ c8 V% z! @6 V+ C/ L( u
//3 k! Q* H ?+ R. D' j! `
// Initialize the variant that will hold the BSTR. Set the variant's. z6 ]! n5 |! ?6 X, [0 ~
// type flag to indicate the fact that this variant holds a BSTR. Place the & Q$ i2 x8 E) r- g" s( g// BSTR into the variant structure. ( n" `6 c8 Z& }) H- ~ I8 R/ Z0 a6 n$ A4 w1 i+ O' R$ F9 J/ w* A
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);; H4 }9 B% n" C- i, n
! t% G. u. M8 \8 Z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 p1 A7 a0 V+ H' p0 u) E4 ^+ U
VariantInit(&requestVariant[0]); & j6 y- N, h/ q! P) L: ` requestVariant[0].vt = VT_BSTR; " ~/ t2 T$ F: h0 C) n requestVariant[0].bstrVal = itemStr;& k& `. \# s6 G8 G; F
. v" u. B* J/ s topicStr = SysAllocString((WCHAR *) L"system");: M$ S$ C0 h3 M* H, c" [% f
VariantInit(&requestVariant[1]); / d4 i* J( T2 {. i; {4 S% e. N
requestVariant[1].vt = VT_BSTR; & M5 h* @, ~) g Q. F1 k requestVariant[1].bstrVal = topicStr; 3 b7 j: Q9 O. n- S- k/ N2 x# X# F3 M0 R b# V( E) N& \
// Set the DISPPARAMS structure that holds the variant. ! e* `$ G' V5 ]6 c2 M# g7 }: o0 w* p) g' v. P" J O T+ v2 Q2 W# x1 f
dp2.rgvarg = requestVariant; 3 A+ R7 C0 O3 i+ N3 c9 m dp2.cArgs = 2; & ]) g; r' |5 s dp2.rgdispidNamedArgs = NULL; ( \2 Q& n5 n% M$ N( { dp2.cNamedArgs = 0; % H. y- C' z; _! t 0 _4 V8 Z7 b; E: j7 Z. I var.vt = VT_EMPTY;2 G& N6 M4 Z+ ^% ]
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// Call IDispatch::Invoke()8 `) z3 |1 f' D$ a' u% @% m
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hr = m_pDisp->Invoke(: @7 [: ~* G. r+ N/ b. I
requestID, + w9 _5 p9 i Q9 b& e IID_NULL, + Q. | x6 g$ i, C- z0 q LOCALE_SYSTEM_DEFAULT,7 T# d* V1 [ f$ Y2 e C) I
DISPATCH_METHOD, 2 W$ { U/ c% |4 Z3 i7 M! A! ]9 y &dp2,- `5 X$ G- ]2 w: ?* _
&var,5 r* r+ i# P* @ ?
&ei,& F. i+ O3 q+ V& q0 l
&uiErr); . Q$ S/ i# `+ r/ x & r0 P2 S) M8 P, A4 } SysFreeString(topicStr); 1 o+ i. `/ B, s SysFreeString(itemStr);. B3 X& p8 m m0 R8 L9 M
请问该程序是获得extend里面的哪个值? $ X" R& b0 X6 H4 |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????