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 `2 ?3 f, V0 L
Name = (WCHAR *) L"Poke";* ^ a# Y2 {" w$ ?
1 \3 [' W' h k/ F hr = m_pDisp->GetIDsOfNames (" K) X# ~# o) o& J
IID_NULL, // reserved * n$ T, G5 H! d5 f s: P+ M5 g &Name, // Array of names to get IDs for3 w' i$ W6 y+ w/ x4 Z1 }) X, y: d
1, // # of names in the array5 r* ]2 z/ I9 m; _
LOCALE_SYSTEM_DEFAULT, // System locale) ?* M b! ^6 u0 n3 g6 F2 N _
&pokeID); // Array of IDs to fill on output" u6 V, }+ }8 t; q1 z: `6 b
5 N1 V( M8 ~1 V/ B* R0 v9 C' K4 c; K if (hr) / y& Q. H9 Y1 w6 m; g/ O { : O; j7 o& i- K1 ?; O S MessageBox ("Get Poke Unsuccessful"); 5 r q3 @! w9 G return; ( H. b6 y0 J6 f% O( }" {& h7 C } # r, r5 _2 c% w7 d! @6 E% r ' _' N T2 I. a$ A e9 g( {, Z! E/**************************传递数据给extend**************************************/5 f- Z9 p' y5 I! \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); ' g+ C5 u& E. r' @ $ r4 W% i5 E( r: _( P R6 ]0 `
valueStr = SysAllocString((WCHAR *) L"1232");; N. V2 l& o% ~2 q
VariantInit(&pokeVariant[0]); ! u6 J5 U, y8 k
pokeVariant[0].vt = VT_BSTR; 5 S, t( \# P, L* r/ V pokeVariant[0].bstrVal = valueStr;% B# c+ s9 G$ f' k; i. e9 i
, F# A7 h2 ?- w. w topicStr = SysAllocString((WCHAR *) L"system"); $ Q/ J3 N. O% \5 j0 X VariantInit(&pokeVariant[2]); : X' N* |3 m% j( L4 R4 t V pokeVariant[2].vt = VT_BSTR;# u2 x% g3 ]7 V
pokeVariant[2].bstrVal = topicStr;& X. U# \' G! W7 A$ {$ z; A% v
~- S9 ~# t$ o3 O// Set the DISPPARAMS structure that holds the variant.! Y# q$ j# L2 T0 c
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dp.rgvarg = pokeVariant; 7 ~4 F) h( q) [. E dp.cArgs = 3; 5 I: l- u! f& C; Z9 T+ n$ u: M dp.rgdispidNamedArgs = NULL; ! g- i% z; E( c# W1 O+ w T' p2 Q& { dp.cNamedArgs = 0;2 b7 c' h8 N3 ]* m; I% h
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// Call IDispatch::Invoke()+ w6 E3 V0 V( _( t( b" q' P
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hr = m_pDisp->Invoke( ' _' }' F: a+ R0 y# t- H pokeID, 8 `9 }. s' b' t' J: i# Q IID_NULL, * l% W: L; v' p T7 l1 l LOCALE_SYSTEM_DEFAULT,5 e4 o$ f. t5 A* _2 g: T: X+ L# d' p
DISPATCH_METHOD, $ `8 g/ P- W6 C5 k4 J$ L/ z &dp, ) V6 n7 O1 ~, r: D. \- T& f NULL, # ^5 ?" T; }* V5 @3 h. F) { &ei, - a: | X: d8 C1 K, `: K4 L: b2 @ &uiErr); m. v `/ j4 ~- p0 T; n + _3 R- ~/ r! } U" c) R SysFreeString(topicStr);; c# N; ~( i2 k3 Z \* ~9 m
SysFreeString(itemStr);, G$ b6 g2 U% m* g& K& S
SysFreeString(valueStr);) l2 ]1 I7 m+ Y% J3 N
% [9 D4 {& r7 U: h7 o M, o; s
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??? / ]# \( W5 H7 B7 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????2 \1 K' A) M" l# b0 a$ _
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2.这是request的程序3 T/ l0 H5 M) l( y3 y, E q" F! k
// Request a value from Extend . ~3 T( i3 ~! C0 B( H! t& N" }//! d. v0 T- p' Z* Q
// Initialize the variant that will hold the BSTR. Set the variant's ( t6 z2 N, I% f6 O// type flag to indicate the fact that this variant holds a BSTR. Place the ' C7 r5 k" r% `; f, B, L// BSTR into the variant structure.) o& x v0 F: i: s6 S
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); 7 T$ c4 }+ M; u" Y) u6 \" X) G ( ?% w% z; w4 C W7 @0 I
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% |' f% V. A% f4 `0 D
VariantInit(&requestVariant[0]); ' H3 i) ^8 r3 @2 M: U. @( L
requestVariant[0].vt = VT_BSTR;4 i+ K; y. u. _ [
requestVariant[0].bstrVal = itemStr; s# l1 n2 [+ Z+ K: \ V* c
6 i" k' ?' |& N0 G; f topicStr = SysAllocString((WCHAR *) L"system");; [8 l* Y/ _: O. |/ N
VariantInit(&requestVariant[1]); * y$ K2 u0 M N( v) h; y$ U) w
requestVariant[1].vt = VT_BSTR;8 H8 I9 p' z' T3 q7 P
requestVariant[1].bstrVal = topicStr;# l' m1 D& `6 N7 R$ a) r+ W
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// Set the DISPPARAMS structure that holds the variant. {! a3 E. x% g$ o) M) e& s
% P; M% c/ j9 w dp2.rgvarg = requestVariant; / i9 |( M. o7 T7 ]' x4 s dp2.cArgs = 2;1 A) ]3 `5 c" B
dp2.rgdispidNamedArgs = NULL;* N: |0 I* \& v- q
dp2.cNamedArgs = 0; 2 G, X3 j/ x. t) |1 h1 i% R+ U , {% Z/ y' F& K( D+ L7 d var.vt = VT_EMPTY; G4 q' l9 v7 P7 y3 v6 m. S; N* G! h' y3 T
// Call IDispatch::Invoke(): F& J; U U0 C+ N; V2 s
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hr = m_pDisp->Invoke( ) ^# y: S' } g) Q8 y7 f1 L9 } requestID, " _( M: ?& T$ k2 i! z IID_NULL,* v& o) M' O, x" H" U+ V
LOCALE_SYSTEM_DEFAULT, 2 r( L2 ~) r) ?9 e- S' n DISPATCH_METHOD,2 q9 t/ E+ n! Q3 A' U; R3 d
&dp2,1 u1 k0 p& F6 `3 M) @( K
&var, " k) S% D: B. S* c* ^ &ei,/ A5 }. Q) D% s/ }! G4 {
&uiErr); 1 `, @6 N. z- K$ ]( A7 P5 K) ? 3 m: r# s/ i3 s4 k2 u( M6 g SysFreeString(topicStr);1 V* x# ~! d% o# J; E! C
SysFreeString(itemStr);; X: }! H4 K+ k* f; ]2 I- y
请问该程序是获得extend里面的哪个值? % l/ K$ O% }8 n5 T0 {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????