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, t1 t. b& n* G( p' Q* E
Name = (WCHAR *) L"Poke";2 G# j4 _+ R! _9 h8 N
" a1 t s' v7 e: y. N% T hr = m_pDisp->GetIDsOfNames ( 8 I+ P: `4 D. Q, @ IID_NULL, // reserved) D! c8 T& ~% M
&Name, // Array of names to get IDs for$ C( y7 }1 J5 }' ~9 R
1, // # of names in the array 4 R+ s: F4 Z% @" g9 N# P; L- X3 @ LOCALE_SYSTEM_DEFAULT, // System locale! g9 i: @6 t( q
&pokeID); // Array of IDs to fill on output/ _9 E; c- O$ @3 z3 }( v0 a) l7 A
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if (hr)4 }, M0 U; ~: K( Y8 e7 k' F
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MessageBox ("Get Poke Unsuccessful"); ) J5 L% c. C! g# h& t7 i: @ return; 8 L% Z! z0 b2 O% z) b1 ~5 } }- r) U; R( c6 [1 e+ z* _
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/**************************传递数据给extend**************************************/ 3 L) ^+ C1 J4 r' ]: ^) z5 b) h pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); 2 O# }& n8 K$ D. {% f% } . @# _$ D$ P- s: n* ^ O4 U" [
valueStr = SysAllocString((WCHAR *) L"1232"); 8 C% ^' m6 L# v; J" ^4 a4 k: c2 M VariantInit(&pokeVariant[0]); 7 J5 H# [, [, E+ M9 F5 ^7 W% y8 n pokeVariant[0].vt = VT_BSTR;. G8 c+ I2 d5 ^2 l5 x; }, r
pokeVariant[0].bstrVal = valueStr; 8 j$ ?6 j% x: I2 z7 t: z: j- M6 b3 a
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ; @, o2 [2 q9 L" X0 R, _: S VariantInit(&pokeVariant[1]); 8 V: y; a$ B7 o& S pokeVariant[1].vt = VT_BSTR;' w0 B3 q ^' s
pokeVariant[1].bstrVal = itemStr;" k) d3 E, u5 t( S% L! {
5 K6 J; N* P3 ~, E8 u$ s topicStr = SysAllocString((WCHAR *) L"system");& b) W' B/ C* q0 V8 U5 u/ o
VariantInit(&pokeVariant[2]); & j* E9 Z: S2 U# Y
pokeVariant[2].vt = VT_BSTR; - Z& p* W; `# J9 {( C8 t" m pokeVariant[2].bstrVal = topicStr; 3 L: w; s) e9 @5 t' f( m' m* o9 J 0 F' |% s4 D, f% X6 W( ?// Set the DISPPARAMS structure that holds the variant.4 f* X2 n) Y; E+ g7 G
4 v2 H4 v, Y1 B. J0 r- u dp.rgvarg = pokeVariant;+ B3 T- y9 g" _
dp.cArgs = 3;( r/ t5 s* X5 P
dp.rgdispidNamedArgs = NULL;9 z# n' k; }: Y- p# x' j; W* F) y* x
dp.cNamedArgs = 0; ' C' A6 O/ {$ G; m, [" o* q 3 Y2 R# T4 n' s3 u// Call IDispatch::Invoke() w! @1 X0 P G. K5 h' z# V3 e! d3 U; q$ @0 N0 \
hr = m_pDisp->Invoke( 2 H2 I& L) K& r2 _ pokeID, $ L! }! n; f1 ?6 a IID_NULL,+ C% H" A9 C" k# B2 Y' d
LOCALE_SYSTEM_DEFAULT, 4 G1 q3 [& ?) @& q" M& y DISPATCH_METHOD, : T. i: {, b9 j, u% Y- S1 h &dp, 9 m# a1 I! O# i0 c NULL,3 O* j+ C8 M) d/ |5 G
&ei,8 V' }6 P# e* G. ~% o$ A
&uiErr);9 v) N, g: w8 O; `5 D: f
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SysFreeString(topicStr); 5 {' p6 z; a1 \$ ?1 f& m SysFreeString(itemStr); % b3 Y: }$ o9 f SysFreeString(valueStr);4 t" ^' E( [5 q9 J0 S. H2 `' U
; V1 M0 j* c) ^- w8 C. _5 o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???- _+ Q% D% s. A3 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???? - P5 V: v/ u7 u$ b d# K# s6 A, [
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2.这是request的程序8 J! c# J0 j; i- ]" j/ u
// Request a value from Extend; C# }. U% g; S- C! f7 o
//+ s# d2 M9 R- v0 A4 [' |2 f
// Initialize the variant that will hold the BSTR. Set the variant's 3 @2 v6 w, m) M4 o# S9 d7 g// type flag to indicate the fact that this variant holds a BSTR. Place the1 n. O' T2 U1 @# d. B% s" L
// BSTR into the variant structure. 0 @: ]" L, D- u) N7 y' P + Y8 n* x( b( o) c/ L) H requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); % H& B; z d, z; b! {" I / B F7 b5 I# D+ v/ T: L: z! A
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" r5 u* ?$ w1 E# T' S, p
VariantInit(&requestVariant[0]); Y# ~( A m2 G6 l( `; C4 M
requestVariant[0].vt = VT_BSTR; 2 D1 \, L7 K' a requestVariant[0].bstrVal = itemStr;3 h. r4 n; w' j+ Y6 O
& q6 v" Q" u2 \" M q5 S topicStr = SysAllocString((WCHAR *) L"system");9 p( d' ]. L1 b8 U) W) Z9 C
VariantInit(&requestVariant[1]); 7 ^+ ], K8 i# U9 G6 t requestVariant[1].vt = VT_BSTR;; T/ f' G! ~' x9 S3 e: Y
requestVariant[1].bstrVal = topicStr; " S* F9 o! z6 Q; N& } , b. A2 G/ O* M( m( ~9 s( U( A7 K// Set the DISPPARAMS structure that holds the variant.. w8 C5 `2 x0 h4 r- ~
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dp2.rgvarg = requestVariant;8 n7 N1 D& ` o+ Y& M
dp2.cArgs = 2;) k2 q- S4 N1 e T6 w% _8 a# R6 P
dp2.rgdispidNamedArgs = NULL; 3 H( K7 P6 `6 A8 }! R& U" m dp2.cNamedArgs = 0;- l! s0 W# V! `3 ^6 _' n7 u, v
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var.vt = VT_EMPTY;+ ]; F. l' I; F; h- H- Z9 q
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// Call IDispatch::Invoke() + z+ `) t g# ~0 R6 [7 b7 [7 Z 1 q' a* {1 \2 t& J1 K$ _) J hr = m_pDisp->Invoke(9 o. _8 M+ k8 c2 ~
requestID,% K6 |+ b# g' t8 {
IID_NULL, 2 t: H4 L* o% E4 \* ^ LOCALE_SYSTEM_DEFAULT,: \6 p- G9 E# ^0 M. Y
DISPATCH_METHOD,9 ~" e1 s, Z6 x% z
&dp2,: T# c3 C4 C `* W* H
&var," Q- e2 w9 W7 O' w$ f
&ei,7 {0 i! |+ k1 z" x$ G* F
&uiErr);& F T6 T6 Z) F& s* k
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SysFreeString(topicStr); ' E! f8 h4 f/ f: ^, s% g8 x" @, l0 [ SysFreeString(itemStr); + K: t; w, l( `; ?请问该程序是获得extend里面的哪个值?+ j0 q5 Z& G( T- h
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????