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 v5 l+ |$ k, U8 d) [! [! F6 t
Name = (WCHAR *) L"Poke"; , Y; g, s0 @ D8 L! k% \* s . S3 T. Q( j! C% u hr = m_pDisp->GetIDsOfNames ( ! t* w, Q, P3 S IID_NULL, // reserved + P$ ~0 R7 y* N$ V& B' D4 i% @ &Name, // Array of names to get IDs for ( O( |/ {5 P {0 U 1, // # of names in the array : [8 K% D0 S5 n# a LOCALE_SYSTEM_DEFAULT, // System locale 3 U7 i" r/ k4 J* t& s &pokeID); // Array of IDs to fill on output. T4 V( T) ~! l& q. G& p+ |
8 b5 L( K( c$ `; r2 N! p if (hr): V( D; }* d/ Q. g$ z
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MessageBox ("Get Poke Unsuccessful"); . r/ a1 X+ k* q; a0 [ return;& T0 d0 [: u8 ]$ A2 c2 |# Q% h
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/**************************传递数据给extend**************************************/. n2 B% O/ Z. a9 J! v
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. E5 ^/ K, T' [3 M! x5 J
( u, g8 a* c: a valueStr = SysAllocString((WCHAR *) L"1232");% E t+ H8 W. l' z) h4 K
VariantInit(&pokeVariant[0]); + C9 p+ |8 c. ?( ?, T pokeVariant[0].vt = VT_BSTR;+ Z2 Y" ?3 h o% c; N) s- n* g! r) S
pokeVariant[0].bstrVal = valueStr;# M. p/ y( I! B0 {# U% n$ R
: X$ S6 j( S- H, [+ S itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ u! R7 f! `% l- q
VariantInit(&pokeVariant[1]); ' `4 H* T: N4 |) I
pokeVariant[1].vt = VT_BSTR;) c, r0 }& i$ u
pokeVariant[1].bstrVal = itemStr;3 u. [) a0 U: c5 a: b* F
' |+ a6 _6 g: z; o1 ?: \+ e topicStr = SysAllocString((WCHAR *) L"system"); 8 D% C- N7 P$ y0 a VariantInit(&pokeVariant[2]); " h) D$ L% V( \# N5 h& ^5 l
pokeVariant[2].vt = VT_BSTR; R" a# [% Q0 F pokeVariant[2].bstrVal = topicStr; , o/ n9 f+ ?. @4 F. C; _4 c4 v " f+ J; m. @( @+ H) s- G// Set the DISPPARAMS structure that holds the variant.0 L* N7 O/ V" c6 F2 V
0 J. N, S4 c( V) M// Call IDispatch::Invoke()2 X: P8 U' |8 E) A9 h/ A
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hr = m_pDisp->Invoke(/ l" ?* `( ~, C! ~& m! R% j6 ^
pokeID, & g+ J; {4 R* T, I IID_NULL, ' A/ d2 M' W5 j0 |. K* s4 ]) l LOCALE_SYSTEM_DEFAULT,0 i2 G. O6 f( \* M" A' n
DISPATCH_METHOD,) T& Q/ p+ E. T7 x
&dp,0 c& q: S( j5 P5 h( \ w
NULL,0 W6 H3 C9 u7 c7 e( h3 W
&ei, 5 r G9 E1 \' g; S) K' j6 F* o &uiErr); ) O9 v9 u `7 Y# a. a. U 2 E$ [: ?2 z' ? SysFreeString(topicStr); 8 z2 K( g. y$ j- a6 i( v1 c SysFreeString(itemStr); ! |! I; J" W' V, E& S' h SysFreeString(valueStr);- ^4 i, {- g+ v( }, t% j/ c
: D' r6 G4 f+ W* v) q: \5 k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+ b7 o& ~+ n# X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????. v- G g _; X, @" k
; V H& C, g. U7 U5 X3 P . L: h5 C5 I( r$ S8 t- u2.这是request的程序 \8 v" p, x* j$ x
// Request a value from Extend7 a( A3 }; d0 ]+ s# ?- @
// 1 B$ I% l j2 e// Initialize the variant that will hold the BSTR. Set the variant's ' y5 K! Q. Q3 A8 q2 z// type flag to indicate the fact that this variant holds a BSTR. Place the; y4 H; m& B _- i
// BSTR into the variant structure. , ]# ]6 k/ G5 ~1 K - V n$ L7 y+ s. ^$ g( Q6 x% i4 [0 b requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);1 I! }/ P4 v9 t: _ H
/ K8 C! Z* p, ?% R& t itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); . r8 I7 q* {% C- t VariantInit(&requestVariant[0]); 2 E7 ~* U/ a- G0 {$ p* R
requestVariant[0].vt = VT_BSTR; ) n5 h. x1 u4 V) Y requestVariant[0].bstrVal = itemStr; / w- t" ^$ z0 X, D1 ~* ]* [ 1 L2 x. M. h) u; M* n topicStr = SysAllocString((WCHAR *) L"system");9 b/ l" v6 U+ i) ?7 k
VariantInit(&requestVariant[1]); 1 B! j8 X% V% I3 m m) U, p: K requestVariant[1].vt = VT_BSTR;# m( z1 ~& i3 l* K6 `
requestVariant[1].bstrVal = topicStr;% F7 z) I4 m7 U4 v
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// Set the DISPPARAMS structure that holds the variant.7 M/ W' E2 _6 ] r ?" |2 S
6 A# R/ `9 M9 L dp2.rgvarg = requestVariant;' ?; d/ F4 F) F3 Q3 H+ c8 B
dp2.cArgs = 2;! G- a [0 o7 U! y4 F1 v( U
dp2.rgdispidNamedArgs = NULL; 7 J4 p+ S q+ r9 Q dp2.cNamedArgs = 0;' H2 \5 [9 i/ E0 h3 f% s
! M# U* C C G var.vt = VT_EMPTY; % B0 Q* y" i( x4 `5 l8 j& h- X: _6 R$ Q$ T. X5 ^
// Call IDispatch::Invoke() + m- a* I m$ k- t3 Q# A1 D6 Q , U, M: P+ X5 l) L, R, P hr = m_pDisp->Invoke( s- P( I$ R& O) d! Q4 k! t6 ^1 V5 Z requestID,: m6 U5 K8 ^0 [0 B
IID_NULL,7 O, o8 |1 ^1 b, N( m1 ^$ u
LOCALE_SYSTEM_DEFAULT, ; N8 x: b/ T) V- p/ r DISPATCH_METHOD,4 e, N* Z4 [ F4 q4 v
&dp2,) `; ~1 ^$ P! K; F
&var,+ u& f1 {- A% j& i& u/ @" b
&ei,9 E9 S. \" ?6 U( z
&uiErr);8 f& c! A* J4 }' p
1 J* i( R0 n6 h! H4 [7 ] SysFreeString(topicStr); ' B. y+ i( v, D% o SysFreeString(itemStr); 5 o! P' D1 Z# N' ]' T请问该程序是获得extend里面的哪个值?2 X9 ~0 T1 Q0 S0 D/ R' \; o
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????