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 X/ b4 `0 G K, [0 L& b9 W1 IName = (WCHAR *) L"Poke"; . h; ]$ b) ^* q7 A) ~% O( _ / f8 }7 k$ n- [3 z: m% y
hr = m_pDisp->GetIDsOfNames ( / u, p9 {. r' X! d% N IID_NULL, // reserved 0 f6 ~$ G, W0 _% i2 S1 D* ? N &Name, // Array of names to get IDs for* W3 u' p$ K6 y. J1 ]0 t; c
1, // # of names in the array " j* G4 V5 |9 A* `: k3 m! N# {3 X1 B LOCALE_SYSTEM_DEFAULT, // System locale * W+ {% }4 t- v! Q7 e &pokeID); // Array of IDs to fill on output ; D6 q6 f+ _0 s/ P* K, z # ]0 k. F3 o8 _6 z) h( V
if (hr) O; y4 G' T' j8 T
{, X) |+ d+ ^$ b0 ^' K8 s
MessageBox ("Get Poke Unsuccessful"); {8 M. V$ ^" w8 e4 T; L: X' H
return;/ b$ P5 u( C( E" a2 n' t! J
} $ t; F3 ?( c' A) m& A $ ]/ z% P/ v2 h3 ~% a' z, x/**************************传递数据给extend**************************************/( H2 ?9 I7 Q/ U; r; ]7 F2 T
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); / _5 R- [# i3 }, l6 {' m ) v5 S! ^0 J P3 s1 E1 U% n6 Q
valueStr = SysAllocString((WCHAR *) L"1232"); A+ |* e- u& v' W" \7 V% i: a; D
VariantInit(&pokeVariant[0]); . K/ z7 M( y# \1 D pokeVariant[0].vt = VT_BSTR; ) A, e3 L5 I& V! j, j$ \+ S pokeVariant[0].bstrVal = valueStr; e3 }3 K) p! t* ?. N
5 v$ f: I: |& l5 W( v( J) C% z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 q4 P( G/ f& [+ H1 w0 R: W3 D
VariantInit(&pokeVariant[1]); 6 ? \* A* k. N' C4 b
pokeVariant[1].vt = VT_BSTR; 1 ]$ T% [8 h/ m pokeVariant[1].bstrVal = itemStr;7 f+ M9 f) q5 \/ h3 U
- B' |4 ^) z4 r( f- Y- x topicStr = SysAllocString((WCHAR *) L"system");# p0 Y3 e2 @0 ]1 t+ f
VariantInit(&pokeVariant[2]); + ~' j% p7 n3 h2 O pokeVariant[2].vt = VT_BSTR; % h+ L$ r5 x- g4 H pokeVariant[2].bstrVal = topicStr; & @0 m3 y7 s4 U! ~5 _ _; Z7 {) k2 g- h 4 b# }# ?/ [3 x* E5 H& u// Set the DISPPARAMS structure that holds the variant. ! e* g4 t' S0 A8 T & T" H c0 r6 V! I) ~9 } dp.rgvarg = pokeVariant; 3 P! F; y; C7 @ dp.cArgs = 3;7 D# `/ \% `! p
dp.rgdispidNamedArgs = NULL;9 F8 s( d ]- t
dp.cNamedArgs = 0; ; q" C/ ], G6 Q9 V/ P, E o9 |- M- c- m
// Call IDispatch::Invoke() 3 x' C+ _* x i) e e H" g+ m, D! ]
hr = m_pDisp->Invoke(. ?- m6 R+ l! ?3 G
pokeID,4 c4 d b% o, o- P4 m: Z
IID_NULL, " O# E, @1 A8 o3 H LOCALE_SYSTEM_DEFAULT, 0 M* K: y" b' w8 p0 ~" [3 K DISPATCH_METHOD,3 O! `: ]; y4 `2 j
&dp, " W' V/ l$ k) \( x1 U7 h NULL, / e9 |. T, Q( g9 p7 j. U &ei, & V! B* T' U$ b &uiErr); * I4 k e' _" y2 J0 x' J) R: T3 M9 i; w! f0 W# _
SysFreeString(topicStr);* [# _' [. O, V* R x/ ]
SysFreeString(itemStr); U, w0 ?3 e( V. l8 U
SysFreeString(valueStr); & ?" u R) A7 V* ^ 0 A! _3 R5 a& ]* X1 V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???. W, x1 l" P& ^ Z: ]- ^1 g
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????# ~1 x- o5 k: \/ G' I& y
9 b. A* z2 r1 ^( C$ t0 c N , U! B1 f7 P& V2.这是request的程序 C. ^9 b9 `6 ?2 C// Request a value from Extend ! O6 l7 _. B# i4 s) o// $ G. B9 `6 L( n* J3 d$ a) d// Initialize the variant that will hold the BSTR. Set the variant's% s! Q" k/ B9 z" f3 X
// type flag to indicate the fact that this variant holds a BSTR. Place the: z; H7 P2 O2 A
// BSTR into the variant structure.' u; G! O( J G2 ]' F
2 d) D5 F* ^% j; P) i, H0 z/ X# V' a3 h requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); ( @+ P4 O6 k8 ?1 b! u : c1 Z) J! O( r3 S: i' N, c3 y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) D. n7 ^% t* D3 C m8 O! b+ v1 q X
VariantInit(&requestVariant[0]); p8 X7 N1 L+ H1 t
requestVariant[0].vt = VT_BSTR; 8 b. E$ m& Q7 V requestVariant[0].bstrVal = itemStr;; Q8 S5 V- Y2 A3 B% R6 l7 u' s. u4 t
0 ?3 l8 y: P7 S' }) _; ?; F; ]
topicStr = SysAllocString((WCHAR *) L"system"); 3 L4 T L& X+ U4 W1 d VariantInit(&requestVariant[1]); . e9 g( u! c. m( N* k requestVariant[1].vt = VT_BSTR;) N2 {4 U5 V' Z- t. X4 {
requestVariant[1].bstrVal = topicStr;+ P& S) a9 J/ i
6 @) u$ p! \( ?+ U% R1 {6 d
// Set the DISPPARAMS structure that holds the variant. % m" Y1 B- D( v- R* L" b1 J4 {! T# `6 y$ W0 j* |, [
dp2.rgvarg = requestVariant;' L% G8 |. |0 | S! g$ R! A
dp2.cArgs = 2;% D4 Q0 V: ?: i- f4 Q9 @
dp2.rgdispidNamedArgs = NULL;3 N) z% o" c( S
dp2.cNamedArgs = 0; ) z+ L; A9 m( R' | 1 g1 @1 p$ w) o6 d( ~ y var.vt = VT_EMPTY;4 ?9 D2 O$ V' Z* _
7 l+ r$ L: _: d/ v4 i// Call IDispatch::Invoke() 5 k6 n8 c: m) B' e$ k, e" Q; l0 o * ?+ b R* l& r+ f( G5 f( H hr = m_pDisp->Invoke($ L2 Q# W! w% ]) j J* m4 N4 j/ ^
requestID, X4 W( p( u& K
IID_NULL,8 W# m/ j; u( T- j8 q/ A
LOCALE_SYSTEM_DEFAULT,- _) l! q9 v& m% k# A+ b' _' m
DISPATCH_METHOD, + V3 |; c) R; G5 F0 b* u &dp2,7 s- P9 O0 W% d8 l% z
&var, t+ v8 c* m. G% j7 e &ei,# o" \0 H2 |& H0 M" l) \# f2 d R
&uiErr); C4 _6 S; L3 a0 f ! C: s; }2 V% D- ?+ B" W4 \( L SysFreeString(topicStr);( ]0 e8 `& {( \
SysFreeString(itemStr);2 W: j6 z9 x' @& B4 e3 a# Z
请问该程序是获得extend里面的哪个值?: k* M4 v* q# |' E( G
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????