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:8 y9 B6 m0 A, F' E6 t- i2 P: L1 _
Name = (WCHAR *) L"Poke";# x' N- J$ F8 b: Q! K5 G0 Z8 i/ U; }
4 G8 R: s" g$ Z7 s: j/ T hr = m_pDisp->GetIDsOfNames (6 V. d2 ^' \- S2 i w+ ?
IID_NULL, // reserved 3 P4 V1 J R: e" \8 e &Name, // Array of names to get IDs for " ]3 m6 Z- w0 A. M6 R& n6 M9 Y' }5 ~ 1, // # of names in the array 5 V" B- e9 r f) ~$ [ LOCALE_SYSTEM_DEFAULT, // System locale! n" `$ Z8 s" u7 q& ]
&pokeID); // Array of IDs to fill on output& G; X9 ~$ [/ ]& l2 M- x( ^
9 j( J$ v1 W9 M; E9 j4 q if (hr)! S* Z2 r6 c8 I+ m3 L7 m# v
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MessageBox ("Get Poke Unsuccessful");: I. T: |3 @: k. z3 F
return; 5 m& X( H( F" Y! _% V5 [' X" L } % |; s- V/ M! i/ c3 h9 Q8 M8 S+ b' y* K( h3 l
/**************************传递数据给extend**************************************/ ; i( L5 i, _* `3 y, f4 J1 d pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); * d- N, u$ j& n# S3 d+ [ + n6 F& E9 @- w( ^5 h1 | valueStr = SysAllocString((WCHAR *) L"1232");/ S0 \' [- _/ n( D- Y& G; m
VariantInit(&pokeVariant[0]); % L6 u# S8 Q0 H% |& F
pokeVariant[0].vt = VT_BSTR;! d5 _+ T) k3 ^+ {* `
pokeVariant[0].bstrVal = valueStr; # t: l. T* z+ r 7 \9 D4 x& m9 N" u# k) c. N) H; T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: s% Z1 [: L' z/ m% u( d& o7 [' C, j
VariantInit(&pokeVariant[1]); & _' L9 e4 i4 y$ A pokeVariant[1].vt = VT_BSTR; 8 ^7 R; v0 d! L% { pokeVariant[1].bstrVal = itemStr;7 {7 Y6 F% S) a
; b( N+ |( y( Z' C6 i topicStr = SysAllocString((WCHAR *) L"system");7 z4 g* b4 U% D& U' n# c& f
VariantInit(&pokeVariant[2]); ; R6 O4 K/ D/ q+ ]7 ^, p
pokeVariant[2].vt = VT_BSTR; 4 E6 N2 o* L9 P* \2 L4 r& ^ pokeVariant[2].bstrVal = topicStr;- ^ J5 {6 c9 x
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// Set the DISPPARAMS structure that holds the variant. . A) `1 w8 _. l( w9 c9 @8 } u' w
dp.rgvarg = pokeVariant;! ?5 J4 S( \) r' y0 a: X! B
dp.cArgs = 3; 5 f8 f4 d4 a2 h2 q: H6 F$ C dp.rgdispidNamedArgs = NULL;$ H7 ~3 t {) v" U
dp.cNamedArgs = 0; $ h% N7 e A1 q6 B4 @% Q8 X" Q5 I7 t2 ^; Q! J5 ~5 Z3 F# l' y' L4 Q' F% [
// Call IDispatch::Invoke()+ `% q0 b: K/ m! c. M' P6 A! R4 f
+ J4 }7 i3 X1 U% u5 W6 S, v( ? L" R' e
hr = m_pDisp->Invoke( 1 \# l' z' ?. H, Q3 N3 }: {. N pokeID, 7 H- A5 D; S% ^) d( E8 B IID_NULL,: a0 d7 C3 @2 R
LOCALE_SYSTEM_DEFAULT,5 C6 k( @1 {3 y# \0 H+ j
DISPATCH_METHOD, . V' U( I1 z: s" w# H8 E4 w% e &dp, |, |& L4 H2 p" | }
NULL,9 B- A5 n% s2 J! Q8 `
&ei,5 K; h/ x& B5 c: Q2 V
&uiErr); ! p) U3 d- S9 S* Y' \+ H. x9 y" Z5 {* G
SysFreeString(topicStr); : R8 A- k; O2 Y* U SysFreeString(itemStr); ' B! K* \* }' v4 w5 Y* w9 A; ~ SysFreeString(valueStr);" _# }, j& B. u9 J7 h: C1 G
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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??? : R/ v5 N* W1 x6 L3 v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????6 u8 I/ K9 L$ _% V9 J5 W- ]
, ]0 G% f' a( M6 P& j% V / k" ]4 h k, w( I& i% ^2.这是request的程序 * `0 h3 Z$ p @; ~3 H// Request a value from Extend7 |/ x0 d, L. P. s, Z( l
// [6 {) m8 U+ ]0 ~+ c* Q" e// Initialize the variant that will hold the BSTR. Set the variant's$ K+ J2 ~1 Z @. t$ f
// type flag to indicate the fact that this variant holds a BSTR. Place the & e5 k& [" U. B! Y// BSTR into the variant structure.* u5 o/ T5 i0 c0 r/ \
: M+ X5 F. j6 V3 e, Y8 U e' w requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);3 @! A) l$ l$ p3 H# G m, V3 J1 k" `
; W5 S" v. {( f! S' @; O4 `
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- s1 U9 k' `: x5 b. t! ~0 _
VariantInit(&requestVariant[0]); * \ |) [; c1 _" }: n' s. d: w5 R requestVariant[0].vt = VT_BSTR; w. B/ M% l4 H! ^
requestVariant[0].bstrVal = itemStr;! j, y" h0 s! l0 @4 Q, Q0 \" `* E( _
" c* b) f6 W- |* g0 M/ Z topicStr = SysAllocString((WCHAR *) L"system");8 I9 f! u0 V* T7 ^& T% [
VariantInit(&requestVariant[1]); + n+ r' o$ \2 U6 ?2 M' Z% ~
requestVariant[1].vt = VT_BSTR; ( f" m' V2 o, S( X requestVariant[1].bstrVal = topicStr; , H$ ]) k: d8 o B+ O, r- o# h8 I ' I: F7 s& u5 x# @) f6 C// Set the DISPPARAMS structure that holds the variant. , i% v: \8 A2 D3 b3 q3 Z; o) p % F' h4 j1 @3 E. c7 J5 ]7 S' e) M: u dp2.rgvarg = requestVariant;$ b$ l7 ^- o3 [1 d! S( u- w/ |
dp2.cArgs = 2;/ ]5 l5 J* N, }1 W2 y
dp2.rgdispidNamedArgs = NULL; 9 ^1 i3 I: x9 J8 D+ n& H dp2.cNamedArgs = 0;% e5 f; t' x: |4 M
4 g' g8 ^* J; h+ U% f var.vt = VT_EMPTY; * [* a8 i5 d. D5 i) y; E, G+ g, ?- {- x3 A) ]! H
// Call IDispatch::Invoke() 9 f0 \3 u. H6 I! g 3 E @& j2 f# u/ [4 T hr = m_pDisp->Invoke( # V' t& ]! W- S& U5 P6 Q Z requestID,- {( B& i, e" x0 N7 d
IID_NULL, : I3 a1 C7 G5 c1 p- ?4 Y4 Y. g) d LOCALE_SYSTEM_DEFAULT, + C T. \2 w" J, Y1 Z1 q, e DISPATCH_METHOD,& N& X. U0 M0 f
&dp2, ' p/ n8 O4 S) F &var, ) g; ~, z: S! \ &ei, ' q1 a3 {4 l, e0 ^ &uiErr); $ E% K4 O' _; h3 D5 I- o, q. I( X# x' K' W9 s$ @
SysFreeString(topicStr);, y- u1 G+ e5 [! [2 b
SysFreeString(itemStr); + R: {( ?, M y! u7 |# k请问该程序是获得extend里面的哪个值?, s+ ?, O$ x- d' v3 ^* J9 L: E" ]
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????