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: , B7 ~5 r6 h* h$ u/ {- y7 ]2 y/ @- ZName = (WCHAR *) L"Poke"; - ]9 v( M) G% D $ d5 h0 G% `0 K% V [( m hr = m_pDisp->GetIDsOfNames ( ; Y/ o/ \+ H' E+ U IID_NULL, // reserved 1 C, Y8 a2 Z5 z. \0 g# y$ |8 e &Name, // Array of names to get IDs for ) Y* u1 F7 f' N) R% a( I6 ?$ q" W 1, // # of names in the array 4 I6 l5 d! S2 p3 I+ V LOCALE_SYSTEM_DEFAULT, // System locale! X9 O/ X# u" A( q# s* U( |2 C% d. n
&pokeID); // Array of IDs to fill on output: ^. r) M/ z7 y7 O$ N P8 K
9 _: J& d- x+ ~. A if (hr); d4 ]$ Q+ g- L3 {2 I. Q" X
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MessageBox ("Get Poke Unsuccessful"); ; {+ m7 c3 y; s3 C, C3 q return; " s* N7 {) B2 C } ) \( C$ U5 }4 F1 Z 0 W% o' `7 C1 o0 ^/**************************传递数据给extend**************************************/ l8 n( m Y2 p, ?& G! i
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); & _& p6 `% d, n - c- [5 `- q4 k# u$ W6 u5 u/ I
valueStr = SysAllocString((WCHAR *) L"1232");, L9 x' ~$ ?! E3 ]7 V! n3 @
VariantInit(&pokeVariant[0]); 4 P, `% b$ `+ w/ f( L- y, q. _- f4 i: J pokeVariant[0].vt = VT_BSTR; ; t# b1 u9 h3 _, Z- a' `- u7 o pokeVariant[0].bstrVal = valueStr;3 X: z: y2 @( N
. d4 v; w6 D; h) T6 j itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ p3 i$ `/ A2 t- E a
VariantInit(&pokeVariant[1]); ) I9 F& i) [ u. E2 p pokeVariant[1].vt = VT_BSTR; ' [9 k" J0 u! }* T& P: ~ pokeVariant[1].bstrVal = itemStr; ; G2 _ C! h& P0 V) V 6 U0 a3 x) Z. Y! ^ topicStr = SysAllocString((WCHAR *) L"system");: X( a. J1 d" ~' C4 r& a
VariantInit(&pokeVariant[2]); # P/ G6 t% C, p
pokeVariant[2].vt = VT_BSTR;- s$ O) V! p% s7 K+ K/ V
pokeVariant[2].bstrVal = topicStr;' e- r3 _) f* u
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// Set the DISPPARAMS structure that holds the variant. # ~+ u# M! p6 `$ W # x: T8 B. {1 A% `' }/ ?! Z" ~* R4 R dp.rgvarg = pokeVariant; ( b( y- j! B+ c) g9 w+ B# K- q; ? dp.cArgs = 3; 5 Q7 a8 ?5 N- K: l D0 V, g2 G/ { dp.rgdispidNamedArgs = NULL;! y3 B( I! h* Y
dp.cNamedArgs = 0; " @# H/ ? x- ?+ T% y& W: w/ @: B( V
// Call IDispatch::Invoke()9 s8 s- w U1 T* a
! y! F6 d# g; W3 `, p" l hr = m_pDisp->Invoke( 3 H0 W* p* s3 w6 M6 Z pokeID,2 o/ b0 m( M+ z' m$ F: ?
IID_NULL, ' W. K6 g, X' s: Q( T+ H: A LOCALE_SYSTEM_DEFAULT,1 D0 }! p9 I, q# L. c! Y
DISPATCH_METHOD, ( z6 s5 u( n* M# s &dp, : N0 [0 x+ w9 x NULL, ( H. K! g0 @3 I$ O. T$ \2 G' X &ei,6 Q* S, I" b- z- x3 D
&uiErr); * j" X* h5 S' C& K8 l r/ E& B * T: m& K+ h, \ SysFreeString(topicStr); `1 m/ _5 r& e/ R0 N0 N! p: m3 Y
SysFreeString(itemStr);3 U1 k: m5 m2 l6 a
SysFreeString(valueStr);2 c2 f4 {# W0 l3 n4 j
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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??? 1 q+ U) ]. ^9 u; ~6 R) F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????( ~% Y* K) Y8 g. R4 m Q5 B2 R
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2.这是request的程序8 j! G/ e, u- w4 v4 z n: I
// Request a value from Extend! [ p$ Y D3 V8 K1 C
// 9 I7 m; w3 i, f- y/ r, f, o! z// Initialize the variant that will hold the BSTR. Set the variant's 9 r9 {, L5 N: u* V% ` q& f// type flag to indicate the fact that this variant holds a BSTR. Place the, q# J( Q3 m1 k/ @' ~* y8 C
// BSTR into the variant structure.3 L9 ~+ c% q% I% @) h! `) z