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:: v: b4 v4 G$ q9 o4 M5 C
Name = (WCHAR *) L"Poke";' l; U2 j) N# D1 Z" Y$ V
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hr = m_pDisp->GetIDsOfNames ( 4 s; U/ s8 _/ s4 J. x7 x3 F IID_NULL, // reserved7 X* T! a: f) `' V7 z ?
&Name, // Array of names to get IDs for' Q( ^( r0 X9 ]0 A" l; l
1, // # of names in the array : d/ ^% u8 O6 Z LOCALE_SYSTEM_DEFAULT, // System locale @0 k+ W0 U) y2 O# @
&pokeID); // Array of IDs to fill on output; x2 p5 s. m# }1 \2 G
! c; y4 n: |5 F- f" W if (hr)' s' X- ]1 p+ U7 u% {$ }
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MessageBox ("Get Poke Unsuccessful");+ w6 ]8 [! C7 X3 R9 n; a+ P
return;# _% M! v" E* Q. h1 d
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4 V' ~$ b3 W/ o3 _0 j/**************************传递数据给extend**************************************/1 T. i j& K) n4 x, S" x8 y6 Z
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); # z" I& p% r$ @ 7 d' e9 _/ R& o# k5 _ valueStr = SysAllocString((WCHAR *) L"1232"); 5 f* s7 F4 F7 v VariantInit(&pokeVariant[0]); ' L7 b- _6 m+ S+ ]+ b
pokeVariant[0].vt = VT_BSTR;5 v3 |& [* V7 J
pokeVariant[0].bstrVal = valueStr;0 [$ T% j, C7 ~+ }9 [" e
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, N% W( y+ i0 f0 ^2 M
VariantInit(&pokeVariant[1]); # {' p7 \0 Z9 ^$ G: w" \( h
pokeVariant[1].vt = VT_BSTR; 2 A. G% l1 |; [ pokeVariant[1].bstrVal = itemStr; + ?! E. s: c4 A/ F 6 A7 Z1 R) ~* u% {" W' ?8 m topicStr = SysAllocString((WCHAR *) L"system"); 5 g8 H, G% c2 V/ n VariantInit(&pokeVariant[2]); % i5 S; m/ O$ k. I: i. Y
pokeVariant[2].vt = VT_BSTR; 9 {& J; e1 l) g+ v7 x1 T% {# r pokeVariant[2].bstrVal = topicStr;5 j# F- t3 \' Z
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// Set the DISPPARAMS structure that holds the variant.1 K6 Y( }/ F' x! u+ }; I9 S& J
+ ?) I4 X; S2 ~0 ]% c3 Z* T! G8 R dp.rgvarg = pokeVariant;( i8 G. `! L7 \0 w; t
dp.cArgs = 3; , o) n- C8 ?! v+ o8 g dp.rgdispidNamedArgs = NULL;9 |# O" E1 f( A. c
dp.cNamedArgs = 0;# j y0 k$ n, C
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// Call IDispatch::Invoke() 3 X8 B7 L; ?& e' G , b: s. g* F" a4 ^ hr = m_pDisp->Invoke(% E( v4 y$ G% Y6 i5 W, v
pokeID,2 x2 l; w; J8 U a$ `# P
IID_NULL,1 T2 }% T" ^: ]. n
LOCALE_SYSTEM_DEFAULT,) Z5 z5 ~9 ]5 x) o8 H O( z$ E+ @9 ?
DISPATCH_METHOD,( y' n, ]0 k: `. j( C
&dp, , F" H6 l( m& m# Z NULL, 5 V# Y2 q3 Z' u1 F0 f3 ~) j2 j7 I &ei,9 O* ?: P9 d; n2 \
&uiErr);3 s/ x' o2 j' ~- @
% K& D# g+ H# A( {% q) v SysFreeString(topicStr); " h) [( t1 U) j6 T' \# D SysFreeString(itemStr); & i: e' e+ x& L SysFreeString(valueStr); 4 [1 A# d$ Q P! S S" b, q2 L . D) m6 f& t4 d9 i4 u. 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???5 E0 P% C* d5 w0 l, S) h
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???? 5 ?9 N9 u% j; v% `8 b6 M6 Y. V& U; y: ^( R
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2.这是request的程序# v" t" |! P' N* b: s% x
// Request a value from Extend+ \5 T" L6 N% |; v2 i+ ?; L
//* m: j4 v0 R; B5 F$ r4 R% N8 l
// Initialize the variant that will hold the BSTR. Set the variant's/ `( p0 ]3 G5 ]+ O' j
// type flag to indicate the fact that this variant holds a BSTR. Place the # u& P# ~$ b' {$ `/ u) t// BSTR into the variant structure.% h- r" M1 M- U! V" k
9 S6 c) [% D( G requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); ; ]; N* [* K- P ( ^% L# @( ~) h& ?1 Z0 a
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* o3 ^# k; g8 Y/ }1 w
VariantInit(&requestVariant[0]); - s& M2 }2 q4 X4 g/ F requestVariant[0].vt = VT_BSTR;$ D; z5 a4 ?! W7 D4 K" k
requestVariant[0].bstrVal = itemStr; ; E4 H; G0 M; c" i; r- y8 V ! G |% @0 m7 t; k3 Y2 ^ topicStr = SysAllocString((WCHAR *) L"system"); 9 ^6 a3 H; s& R9 Y' f" Z VariantInit(&requestVariant[1]); 4 s. ]7 p* Z: q" h2 S requestVariant[1].vt = VT_BSTR; ' i% F: t; v; p/ i+ U( A requestVariant[1].bstrVal = topicStr;* P* i. y+ }6 M, G& s/ e
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// Set the DISPPARAMS structure that holds the variant.% U( {6 {: W+ N2 ` ?% ^$ p
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dp2.rgvarg = requestVariant; " S/ M4 C6 L$ w D8 o dp2.cArgs = 2;3 u7 m4 E% P6 B% q, g& o) |
dp2.rgdispidNamedArgs = NULL;: j3 k* E- V( U. Y3 Z! X
dp2.cNamedArgs = 0;+ ~% ]6 e) } N/ Z) y) W
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var.vt = VT_EMPTY;0 C' o7 t4 U( x+ s% y5 V# \" u
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// Call IDispatch::Invoke() 4 H9 r) {1 i4 ^8 o' v8 S# i. H ' V8 D/ E0 z- u- s! E8 p a hr = m_pDisp->Invoke( ( R7 ~+ E8 S- A9 v+ f requestID,3 ?/ j1 ~/ |% J- z8 F6 C$ k! S
IID_NULL,4 h) C. z5 O3 u
LOCALE_SYSTEM_DEFAULT,7 b1 @* l8 ~9 i. l1 o/ C: B7 }( ?* R
DISPATCH_METHOD, + s& T, R7 b9 T/ }0 w &dp2, * R% z2 H% E% ?' y- l &var, 1 K+ U9 b! a, b; i ~ &ei, + p1 q$ @8 n# C &uiErr);+ h* ?1 |) y8 X! K1 ~5 R" q7 a
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SysFreeString(topicStr); * s. g% W+ r8 {/ I SysFreeString(itemStr);- p9 W: h* l+ w0 _
请问该程序是获得extend里面的哪个值?( ?0 |) B- m9 R8 O4 {% v
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????