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:9 S! b0 r. s. I& v
Name = (WCHAR *) L"Poke";: G+ @; J0 ]% O1 b q4 j1 d4 T
3 O( P7 U1 z+ {! Z4 ]* ~ hr = m_pDisp->GetIDsOfNames ( 8 _8 A S! L/ a+ @' [ IID_NULL, // reserved $ v4 o1 d7 x' v C X g &Name, // Array of names to get IDs for & {% X3 N. }' ^/ C7 T. [ 1, // # of names in the array ) T2 x6 x0 [# X6 x/ P: u* F LOCALE_SYSTEM_DEFAULT, // System locale& e# M$ H: t3 C
&pokeID); // Array of IDs to fill on output / m8 M+ Y1 X B: V/ a # l8 e7 K: r' m# H9 b: U! P if (hr) $ \; E; m3 ^3 u; ^. }9 C/ r { 6 G8 x$ R% Q( Q. \, J. Q! @* H% s MessageBox ("Get Poke Unsuccessful");6 G V0 `$ m: W) G+ m. `1 O. @: g
return; , O* q2 D: H4 B) V } $ w$ m7 b% P6 x* S/ S9 g& V 6 J% X; L5 Z) k, G$ ?; A/**************************传递数据给extend**************************************/7 C0 g/ m2 N4 x1 J0 t- ?* o
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); 6 f, r2 u }* i# O9 d. t' r + M# T3 \, i& h9 R0 ]0 K* C% o$ t- O# z valueStr = SysAllocString((WCHAR *) L"1232");) F7 ^/ c3 Y9 _& i+ t
VariantInit(&pokeVariant[0]); % W; V0 a; d! z3 ?$ b
pokeVariant[0].vt = VT_BSTR; 4 f' Q- M% p; N; S! t3 K3 x, t2 I pokeVariant[0].bstrVal = valueStr; , |; ^" N% [5 R7 q' Q* G& n) F# r$ `/ W9 Q6 j% U
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 |# @& N4 }- L+ H/ Y1 v
VariantInit(&pokeVariant[1]); ! Q6 F. T2 G V3 Q: Y
pokeVariant[1].vt = VT_BSTR;; k/ s- o9 d, [( y) [+ r0 v
pokeVariant[1].bstrVal = itemStr; ]) v; q5 e0 [& b$ R `+ ^3 O+ n, l
topicStr = SysAllocString((WCHAR *) L"system"); # d' U( Y" W! j: d; p. R3 Z. _ VariantInit(&pokeVariant[2]); 6 N7 y7 t- O5 q1 j, T- y
pokeVariant[2].vt = VT_BSTR; : m" e$ P Q7 R2 P5 M7 j9 p# @8 ]& ? pokeVariant[2].bstrVal = topicStr; 5 g O4 X" v( F7 e # B- Y N" D3 i5 p9 z8 i// Set the DISPPARAMS structure that holds the variant. 8 k* b! ]! ^" x2 k: I 1 O. O1 P( o* W0 q4 k, U$ ] dp.rgvarg = pokeVariant; 5 `1 l+ C4 G+ b+ t5 ?" l( h dp.cArgs = 3; & e* N. U' O: M dp.rgdispidNamedArgs = NULL; ( ~$ S5 t. @; Y( ^) y8 S dp.cNamedArgs = 0; . k! |3 F( ^3 v! c" c7 x% x. | - a7 N8 z5 n: A* N; p& e// Call IDispatch::Invoke() 7 f8 v$ Q- N, e; f 1 y6 d# k* ^, v) |; D hr = m_pDisp->Invoke(8 Y0 u7 x0 a- c! c% ]/ h
pokeID,: X& C" r/ V) t1 L: `- P: c
IID_NULL,: b+ D7 U( _) T
LOCALE_SYSTEM_DEFAULT, ' d! S8 T$ j0 x0 w. B, a5 t/ S DISPATCH_METHOD, - H8 w. Y* A4 z% I! ?2 O& Y# F4 k &dp,3 g, g# h9 T; a& P! w
NULL, 4 a1 i4 M3 |& x+ k1 t9 X" | &ei,# e( \ {" z1 g* | E! o* A; Y" [
&uiErr); 3 m$ F/ I5 z7 g A5 ^. e9 U8 q5 n( J9 K2 U
SysFreeString(topicStr);0 q( I, `7 u4 Q* i0 r
SysFreeString(itemStr);' }5 A! L7 Y5 h# I: U: H9 l
SysFreeString(valueStr); ( d! P6 O7 f7 }) w0 C# ^) J; c8 z' m' u
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???4 X0 h2 m r; 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 C# u8 y/ F# x F* x$ c
4 O+ v, t2 G( t4 Q; K( e% ?) s1 ^9 M' h9 w' N2 Z, s( A% T
2.这是request的程序6 E: _' _3 X( o# Q3 C( C
// Request a value from Extend1 _* Q" O1 \, b3 {
// 1 U$ r5 J8 h1 z5 ~7 o% U' K* I- l* f3 Q// Initialize the variant that will hold the BSTR. Set the variant's5 D/ G3 z' l6 o) M7 I
// type flag to indicate the fact that this variant holds a BSTR. Place the ! b% [, r2 }' y$ Y7 @ a' R// BSTR into the variant structure.# n5 v5 h; i9 Y
3 P6 R- a4 u& s requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); 5 c2 i' I- a1 z' S & P* ?- H& `* E. l
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 1 |8 b# n8 h7 H# s' \; I VariantInit(&requestVariant[0]); # b8 y/ b( r# {/ ]& ]0 i
requestVariant[0].vt = VT_BSTR;4 L, i; h/ b" Z* S
requestVariant[0].bstrVal = itemStr; 3 V J/ s, E$ a' [# M7 L4 d6 ~0 g, y6 C1 r; H1 r
topicStr = SysAllocString((WCHAR *) L"system");1 |& |: @# \ z4 p" _
VariantInit(&requestVariant[1]); : V* A9 r( ] [
requestVariant[1].vt = VT_BSTR; $ S' N- Z: h& ]& f5 I6 f. N: G2 W w requestVariant[1].bstrVal = topicStr;0 D1 Z# e6 C( s1 L, T% Q! ~
S2 ]: G& ]( @; l; U- E- k1 a// Set the DISPPARAMS structure that holds the variant. 2 b4 V! N! J4 D( _; @9 G9 _+ w% \- ?& T( C) Y0 |( B' T
dp2.rgvarg = requestVariant; + @# t/ i0 B. n4 V$ E! v dp2.cArgs = 2;1 N+ u3 ?3 [! _8 `/ X# Q
dp2.rgdispidNamedArgs = NULL;- s9 [9 Z9 Q- t: H* o& ~
dp2.cNamedArgs = 0; 9 g# }! ^: G1 Z. ~' | 0 T' b @1 \0 R: l var.vt = VT_EMPTY; ( I" m6 N5 Y$ p' n' `! c# H+ p0 B3 L8 X2 S# d( y
// Call IDispatch::Invoke()/ m& t5 C4 z+ \: z! x
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hr = m_pDisp->Invoke(1 _6 d0 O% ]/ F$ d
requestID,. \1 l9 y. Q& N0 d, o, |/ a' b- D
IID_NULL,( W2 h' R6 F$ H
LOCALE_SYSTEM_DEFAULT,; X; U7 ?0 L2 o$ X$ p2 r
DISPATCH_METHOD,4 s8 F! }. l) T( G' y4 i
&dp2,7 ?: p/ C3 x9 L* ]; [9 e9 a
&var, : t( y& t' c" l &ei, 0 Z% L& m3 f7 @5 | &uiErr); # @9 i, I* x2 p; @+ r2 H; l! G9 X
SysFreeString(topicStr); & D& Z" f, X6 k9 ] ~4 } SysFreeString(itemStr);, |- o% t5 c1 l8 K
请问该程序是获得extend里面的哪个值?2 G+ z( t( i4 ?" _. v( N
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????