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:. J2 Q* @0 L- s% f+ A% _) Y% e
Name = (WCHAR *) L"Poke"; + ?9 J4 \/ \& |" o1 `4 d0 X " f+ f) L0 k4 F" m% Q
hr = m_pDisp->GetIDsOfNames ( 5 j: c! q p( H2 n5 y IID_NULL, // reserved : v, A% _ c4 B% G+ O6 v6 { &Name, // Array of names to get IDs for4 M- d( k- \7 o1 U2 z
1, // # of names in the array + ?4 b3 _5 O$ p+ M8 F; o LOCALE_SYSTEM_DEFAULT, // System locale7 ~8 G' m0 |: f. A! D+ |: k7 q
&pokeID); // Array of IDs to fill on output 7 }1 a) J( S% Z0 J! F+ i: F4 I : b1 c X: k$ U( [8 N2 C& o% _, ]0 Y
if (hr)$ S d- W6 {( |4 g( s5 g+ a2 j
{ ( [- G: X) k2 \4 X% e# Q. p MessageBox ("Get Poke Unsuccessful"); 7 Y0 l' E& R" ^ return; & ~& u) H0 v: d4 g; }" |- C; x6 y }7 ?& k s* `$ H0 z
$ M4 p' a# V: y1 Z/**************************传递数据给extend**************************************/) u6 o$ y( j8 H
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);+ t9 q& i3 }( |( V6 c/ u
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valueStr = SysAllocString((WCHAR *) L"1232");( R# A* {- k" b5 L. R/ ?
VariantInit(&pokeVariant[0]); 9 ?) M0 a" |+ ?0 ~/ N
pokeVariant[0].vt = VT_BSTR; ) ?8 O: }! u" e2 V* R" s pokeVariant[0].bstrVal = valueStr; 5 e; P+ `' m$ j1 F8 y) y J2 U5 P
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( U5 e }1 A2 I- P8 e: W
VariantInit(&pokeVariant[1]); & l V- U* t4 n% O# ^& ~! \1 E q% S
pokeVariant[1].vt = VT_BSTR; % c: ]) ?1 k: P pokeVariant[1].bstrVal = itemStr;& ~+ l5 N7 I0 J3 w5 B( D2 d/ q# D
8 N1 A5 o* m" G& R e) v1 a) \ topicStr = SysAllocString((WCHAR *) L"system");" n) d. s, S: i! \
VariantInit(&pokeVariant[2]); , x0 i8 j1 O# p' A
pokeVariant[2].vt = VT_BSTR;- L4 T) M: f' s6 H- R8 Y# g
pokeVariant[2].bstrVal = topicStr; 5 j9 x$ e6 h2 r- f7 X# V) F5 ]8 ]* I; X2 K' F. H3 o( C
// Set the DISPPARAMS structure that holds the variant. |2 _. u% Z) i8 |: h
/ v/ q' b. v4 q2 R m1 \ dp.rgvarg = pokeVariant; " P! ]' v7 q7 e. o- h$ ]$ R4 S dp.cArgs = 3; 0 C% Y" ~( O/ _' ?4 f dp.rgdispidNamedArgs = NULL; : h. s' ~$ M; a/ J2 J& [ dp.cNamedArgs = 0; X' q4 |6 q+ Q* |) L2 ^3 c& a
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// Call IDispatch::Invoke() 0 G6 \( G+ i$ ?. A( j $ Q) a. c2 E$ _4 V2 K# f e' r hr = m_pDisp->Invoke( & f) W/ b# [8 _ pokeID, 1 G, J0 g* ]; T. O IID_NULL,# L8 L; d: w! ^! x. j n2 \1 v G
LOCALE_SYSTEM_DEFAULT, / q; C6 H8 S* a" O9 z0 b4 t8 s( i DISPATCH_METHOD,( T8 Q- E' w/ M+ b. X0 x
&dp,# d- p( J8 d: H: v
NULL," F% ?5 s0 ^; q6 O- Y5 f
&ei, " \- a3 T) y4 O! b% | &uiErr); * D6 \2 m9 C& Y" Z" z, ?: G: M$ H# Z: l
SysFreeString(topicStr);$ X3 k8 ]0 G8 p$ Z& [7 a1 M w# o
SysFreeString(itemStr); z, b H# u8 m
SysFreeString(valueStr);! o% Y* u3 `' A; R
) g! z3 b) \) s$ } x. P5 ~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??? 2 ~6 Q/ p: G4 Q& K' m( O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????- G5 {% x3 A' ~ s: ^
; s8 z3 X% C# O; g J: Z v, Q 9 U, m& e0 P; \! t$ x7 n2.这是request的程序2 K) R9 V4 N. F S
// Request a value from Extend z @' @/ D8 T! O& } a// B: \* g, t: e
// Initialize the variant that will hold the BSTR. Set the variant's ) d8 |6 M- L6 [" d4 k// type flag to indicate the fact that this variant holds a BSTR. Place the* o4 x5 d3 L' x E6 W( e( {" i
// BSTR into the variant structure. 6 r0 M6 y( x' t' V+ k/ ]( q / d5 u( L+ ^3 l/ o/ J: v6 h5 s requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* N' a, M3 K# v, U