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:6 E! y1 C) x4 V# X5 e, h
Name = (WCHAR *) L"Poke";& c$ f# I' |6 @
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hr = m_pDisp->GetIDsOfNames ( & j: O. c5 x# X3 B0 O) v) y IID_NULL, // reserved . `6 a. a8 |4 L0 P &Name, // Array of names to get IDs for ! N. G! I1 y ?; g! ?6 r. k 1, // # of names in the array ' y- N- _, M0 L1 T& \* M LOCALE_SYSTEM_DEFAULT, // System locale ) P2 C6 e: o* `8 o &pokeID); // Array of IDs to fill on output ; g: O' L9 b3 y3 l8 v3 M! D 1 B" ~5 O# x: S* o& f q+ q* d* a) T if (hr)9 \" p# N* l% [+ s% P$ E4 r5 H
{ # ?# |* N8 h+ t" u MessageBox ("Get Poke Unsuccessful");/ p7 X4 R4 c6 `3 s: c1 c) O
return;# L- r! d" j7 A+ m& A+ ?
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# @% ?, [, d( v/ x2 x* I valueStr = SysAllocString((WCHAR *) L"1232");) l8 P, d4 c+ Q3 I4 c8 h# r
VariantInit(&pokeVariant[0]); 5 T6 K# I! L' i8 L% ?& U
pokeVariant[0].vt = VT_BSTR; 4 z! K. Y+ F, `" U, H+ g4 n- H0 M pokeVariant[0].bstrVal = valueStr;# U8 T: X& j: g( r% [6 l7 h. M5 Q
5 A# x% Q6 M- X* E# w1 t itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 0 D4 |! S. H* J2 C/ G VariantInit(&pokeVariant[1]); & Z: c& s. ?, w8 X7 }$ L8 P pokeVariant[1].vt = VT_BSTR;, v/ A4 L' v2 M: t; z
pokeVariant[1].bstrVal = itemStr;* t% v8 V/ r- N9 |3 ^9 d4 |- m
( P, y0 w+ r! ~0 x2 N% O0 U topicStr = SysAllocString((WCHAR *) L"system");9 |& R& \9 N4 f! N* M
VariantInit(&pokeVariant[2]); m! R, T. D0 `0 |, R1 X: w
pokeVariant[2].vt = VT_BSTR;" o' c/ a6 ?, ~+ S' R$ p$ O8 y7 p
pokeVariant[2].bstrVal = topicStr; + K) ?/ @; u t2 s' D# m8 M }* h8 O' a7 n: h0 w
// Set the DISPPARAMS structure that holds the variant. , z/ k9 D x4 }1 }3 y4 Z3 A% {% ~7 y) B
dp.rgvarg = pokeVariant;& k7 I" I! N; m) J9 g
dp.cArgs = 3; : {6 ~+ z: D4 k/ U0 `$ s dp.rgdispidNamedArgs = NULL; . R5 `2 _/ Y4 A7 J- f$ i3 F dp.cNamedArgs = 0; & \8 ^. N7 @- p- Z6 g# v$ I% @7 }; x
// Call IDispatch::Invoke() # Z5 s9 l" B! V2 K' E% n% ~ a, T& q3 G, Q# _# b& W
hr = m_pDisp->Invoke( # p9 j3 V3 i$ b0 i pokeID, % g3 h, w4 e2 @' u# d- k4 g IID_NULL, % x0 q0 w+ h& u8 E c5 v LOCALE_SYSTEM_DEFAULT,' q$ S9 E4 u8 \0 {' g
DISPATCH_METHOD, 7 G) O# [) J8 I# K& s2 c# w E &dp, ( m' i4 e% E3 v NULL,* k2 }, u8 ?! C! ]
&ei,' H: K( t% E# R8 j: ]- x/ K
&uiErr);, _: N& V$ M& P. ]& q) C
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SysFreeString(topicStr);% |; v/ X: }$ ^( G+ f/ T
SysFreeString(itemStr);% a2 z" I! V2 m4 D( K
SysFreeString(valueStr); 8 j8 n6 t, c1 Z9 L : u' _, _+ m4 H4 c; Y1 `1 r6 R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??? 3 L- L6 v. E2 n" T% E) ^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 m S' p0 @5 o
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2.这是request的程序' m; T$ z2 x7 ~% I+ E
// Request a value from Extend6 t; j) c$ l8 {4 x a
// 2 A6 r8 |$ q3 m3 e. p6 E' G// Initialize the variant that will hold the BSTR. Set the variant's $ V, \' [9 L" ]/ o" T( I// type flag to indicate the fact that this variant holds a BSTR. Place the $ d2 G( m+ B" S' B& u& i// BSTR into the variant structure., ~( D7 z* ^1 t* D n6 {) l1 S6 N
% D! P) D8 X! s( c [( W requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); " e9 Z+ c0 \& i+ N9 y3 V) i2 W ( M. U0 @7 l; L$ [5 M$ s! Z' N
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ) Y3 ~- d9 N( z; X; s+ @ VariantInit(&requestVariant[0]); . g* l* M; \& j2 t* t requestVariant[0].vt = VT_BSTR; ' z( s* t9 Y, y# |1 k( @, x requestVariant[0].bstrVal = itemStr;/ ?; O/ A7 T& D' E* z( n0 }! u% h
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topicStr = SysAllocString((WCHAR *) L"system");) H( o# O3 q5 b+ D
VariantInit(&requestVariant[1]); # c& i% p* ~* g P3 m* \! z" N requestVariant[1].vt = VT_BSTR;1 a5 F. |- ?" U7 M$ I$ \
requestVariant[1].bstrVal = topicStr;" M5 q0 k* B4 O5 _4 Z
( z' F8 g" `, u// Set the DISPPARAMS structure that holds the variant.0 f( r9 x; [( i. k- C, d
2 R% {$ }4 ^! J) j' h5 s( s hr = m_pDisp->Invoke(4 x) A' Q* L" h6 H
requestID, ( M @% v+ z9 ]: O! V9 i9 j! x IID_NULL,/ A, V9 F$ `7 Z
LOCALE_SYSTEM_DEFAULT, 5 ~3 e/ o/ ^/ {4 E# y/ v DISPATCH_METHOD, . |! r; J; ?- u+ b &dp2,8 ~1 K. N) R Q0 P
&var, 9 V9 t m) v! s' C) } &ei,2 f( B3 [/ N$ A: t
&uiErr);, I$ k/ J3 b5 Z& ?* D
, R* I: t' g" y H; i' p/ S) B SysFreeString(topicStr);- G" p1 M3 i0 X$ }) x; L& x
SysFreeString(itemStr); ( I' V* S z4 M+ H. e2 O请问该程序是获得extend里面的哪个值?! Y5 o% m: C5 F5 k
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????