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:* A7 l" [" E: ^+ `6 I! z' j7 p
Name = (WCHAR *) L"Poke"; ) e' b" z9 ^8 X: I8 u 2 ]- W0 Z) {6 N
hr = m_pDisp->GetIDsOfNames ( & z+ O; m% D+ o IID_NULL, // reserved8 L$ E+ y' J5 u# d4 z& A
&Name, // Array of names to get IDs for, z# z# @. i! A9 |
1, // # of names in the array/ C0 X; u2 z0 _1 \
LOCALE_SYSTEM_DEFAULT, // System locale0 j% c; V" B1 l5 K
&pokeID); // Array of IDs to fill on output $ i6 P# ~/ p. y0 B- }8 q) e ) J; d8 C/ i2 X+ C if (hr) # U. |$ U5 n. U* h( K$ V L* G { 1 ^6 ^# ]! C' ^7 Q( m MessageBox ("Get Poke Unsuccessful"); 3 H l8 K. P @5 Z) S/ V0 M return; ) s. L3 q* o: F1 t } ' B% o1 M4 A K7 ]+ ]4 R3 v5 c7 {3 m; S
/**************************传递数据给extend**************************************/4 ?: M4 I4 q8 M% v3 d7 q. E
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); & U- |' E+ ]/ ~, V0 r4 m ) I# ~: H+ _* Y8 t0 `8 w& c# E valueStr = SysAllocString((WCHAR *) L"1232"); 9 B% N( s" e9 V3 d; D# ^2 c VariantInit(&pokeVariant[0]); 1 C r3 ]7 Y5 M/ M
pokeVariant[0].vt = VT_BSTR; 4 h! s# }# q3 \ pokeVariant[0].bstrVal = valueStr; & z9 ~* H( q& ~0 j( S + D. k( T$ L% o. e- ]$ j itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ) ?5 L+ \ w- C7 F" z: U VariantInit(&pokeVariant[1]); 0 M7 o* d! x3 c0 m# a2 E' M
pokeVariant[1].vt = VT_BSTR;4 w6 I8 w0 E9 C) ?8 c5 p5 o
pokeVariant[1].bstrVal = itemStr; / I4 ^7 u& j2 ~* j1 T ; b \$ q( C" @/ y ~6 w topicStr = SysAllocString((WCHAR *) L"system");2 I+ O0 V7 O0 B0 ]
VariantInit(&pokeVariant[2]); & |: j0 j4 p* L6 a pokeVariant[2].vt = VT_BSTR;# F: q- z9 E) d
pokeVariant[2].bstrVal = topicStr; + s' {& `4 S3 R& \ }- A- h - m+ x% Y7 j, }; d4 f O0 J' `// Set the DISPPARAMS structure that holds the variant. + W% j" K4 ]8 R' n( i$ |+ O- `% y7 ]' s' d, p* i# F8 |% N
dp.rgvarg = pokeVariant; . O7 K3 P! ^: M2 ~ dp.cArgs = 3; / B- t6 \, @# v) U dp.rgdispidNamedArgs = NULL; - Y1 R' {5 R' ?. ^ c! d dp.cNamedArgs = 0; , ~: J/ ^* `: C+ o0 f2 O' d3 |2 K2 H1 d1 |0 @' b5 V: h3 c
// Call IDispatch::Invoke()6 K' j& q& L7 F! P7 w
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hr = m_pDisp->Invoke(+ N3 f4 s! S! C7 x* H
pokeID,& a6 l( q: c! E2 v$ M7 j+ c7 ^8 l
IID_NULL, $ N% P3 @- w% u1 F6 ^, V LOCALE_SYSTEM_DEFAULT,( m" Z4 u! ~5 z$ o
DISPATCH_METHOD, 6 c/ t7 W0 _) e4 O6 ^8 f" l &dp, - E7 A$ |! Y6 r4 f' y% l K7 u NULL,* e4 G: X% ?# }. a& Y: w
&ei,9 E# U+ E' A5 h' H+ g7 }
&uiErr);5 v& r, W G0 @! \- M9 l
- P p, x, _* f& x SysFreeString(topicStr); / Z# E4 q# d! f# d5 v SysFreeString(itemStr);0 v) H4 X' I) y8 l. L
SysFreeString(valueStr); 5 j( N2 O {, k" o8 C' D9 i. T. a. F
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???$ k. K- I6 j5 {, N
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 u1 ~9 _: C3 M! N' K8 ^ \; L% N; }
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2.这是request的程序 - B1 S/ W9 F8 x: J$ C1 K// Request a value from Extend" w3 D6 G7 N& X i
// 9 x q! L- u( O5 }4 U* E' R6 U( P( n// Initialize the variant that will hold the BSTR. Set the variant's: ]7 `4 t" ]# t) }% C% ^
// type flag to indicate the fact that this variant holds a BSTR. Place the# i) q9 ?3 X: T, \! U2 b# T6 K
// BSTR into the variant structure. # h% w2 I6 |! i+ I% Z( s0 M9 u+ N: |9 l: J5 y2 A
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 P' n; x9 a, _+ i$ K( _
* v5 S, ~! K2 }) b) j9 H! i itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, t1 C9 B- f( X& [
VariantInit(&requestVariant[0]); 3 [6 w3 T) L5 I' s5 |! K" u requestVariant[0].vt = VT_BSTR;/ W' B+ i$ ?0 k9 X1 W
requestVariant[0].bstrVal = itemStr;. t' W' `$ H/ P" l1 K' H
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topicStr = SysAllocString((WCHAR *) L"system");6 F+ p( N/ N+ D) L, I- z
VariantInit(&requestVariant[1]); 1 o/ K0 X2 q; S* @7 U
requestVariant[1].vt = VT_BSTR;( d! b- _# y# [: l6 T( m
requestVariant[1].bstrVal = topicStr;* I5 |" F8 _: x# g! s2 X" [& g
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// Set the DISPPARAMS structure that holds the variant.: ^6 c+ E0 g1 o3 o7 t
4 K7 w7 r2 i9 x7 r$ Q3 @4 K E& W dp2.rgvarg = requestVariant; 5 X" }8 ~* p0 h( I/ k5 T( G dp2.cArgs = 2;0 Q# S% r' ^, C- _3 T5 H
dp2.rgdispidNamedArgs = NULL;7 @$ A; z- x8 f
dp2.cNamedArgs = 0;8 }# T4 H* j7 D1 i
5 ~4 x, J7 v+ c$ A8 Y$ }& N var.vt = VT_EMPTY; 8 n( I/ v" i1 ]! @: i 4 r. w1 `+ _9 S# z) X+ J% k! A// Call IDispatch::Invoke()2 Z* }$ Z& f. p
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hr = m_pDisp->Invoke(, Y/ M ]( a: T w- R+ j6 R+ G
requestID, # ~- t+ M/ a( t$ D! R IID_NULL, B4 d) s$ w6 |* q% s2 H% ]
LOCALE_SYSTEM_DEFAULT, x K6 [0 _7 x( O
DISPATCH_METHOD,: a3 p# Z) n3 T3 j& i
&dp2,+ D" U2 W3 @' g* Y
&var,; T; f- u; R0 P; N6 m
&ei, $ Z2 d: j2 c) O" }; f. }' q &uiErr); " H1 @3 X2 \" k2 E( _9 k1 H. F- F/ B! w% ^# j; n$ j( p# y6 [7 o
SysFreeString(topicStr); / Q' a' S9 L5 i+ \- w) Z SysFreeString(itemStr); 4 n' b- x" P8 S/ J请问该程序是获得extend里面的哪个值?8 a+ ]3 y9 \2 j0 q# i* U1 N; T1 }
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????