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: 0 n, w! i, k. Z! lName = (WCHAR *) L"Poke"; ! z. t# z# L5 q2 J 0 E& i% _+ R+ X; q, H
hr = m_pDisp->GetIDsOfNames (* E |! S3 [( i5 T* d5 s
IID_NULL, // reserved+ c( ^0 W$ D" e" ~
&Name, // Array of names to get IDs for & J* M# C% I5 O/ p* R 1, // # of names in the array * V4 p' ]: O+ n0 w+ A7 d LOCALE_SYSTEM_DEFAULT, // System locale; V; }4 e- F, i! {
&pokeID); // Array of IDs to fill on output8 r7 R/ h6 v; G; A, Z& N) C
% d1 p, n. F4 ?# e; y8 B if (hr)7 `0 n" h' N n) r1 a( n) l. r( y( V, Q% `
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MessageBox ("Get Poke Unsuccessful"); 9 O+ ]+ ~7 x2 _3 `+ I7 E& | return;/ a2 l4 `) j+ k
} 2 v4 j% s) i$ P2 ]# o8 S $ U! e- M$ D* G2 W/**************************传递数据给extend**************************************/+ J9 b0 j( H. O4 @* W" f
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: s+ U3 I8 ~0 k; |) q
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valueStr = SysAllocString((WCHAR *) L"1232");/ z. M4 z% }6 z) a" l+ i. I
VariantInit(&pokeVariant[0]); ( W" G+ P$ |8 {; ^ pokeVariant[0].vt = VT_BSTR; 5 V9 _! U: i8 p& J# Y- G pokeVariant[0].bstrVal = valueStr; $ S4 \- R5 N7 h6 b9 E: }0 S1 ^ v: M( m& m9 f9 F
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 5 I" z; {0 V7 e& y; F# b/ Z. h VariantInit(&pokeVariant[1]); 5 c9 Y9 Z' W! ?8 a- j. G6 U
pokeVariant[1].vt = VT_BSTR;$ d! N' `6 M- P7 r7 D
pokeVariant[1].bstrVal = itemStr;& X; g* V& `$ L2 J
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topicStr = SysAllocString((WCHAR *) L"system"); 6 e! d$ x4 w3 }1 [ VariantInit(&pokeVariant[2]); S4 z. }& H& x: T5 ]+ I pokeVariant[2].vt = VT_BSTR;( w/ N2 o+ H5 H& _, H
pokeVariant[2].bstrVal = topicStr;) b2 c' s w7 [4 k* a) k
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// Set the DISPPARAMS structure that holds the variant.% O: e6 E: a M" q, n+ f! |
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dp.rgvarg = pokeVariant;# ?" [4 w1 _. @% q
dp.cArgs = 3;. t& l+ k! w" y, w- D1 ?: I
dp.rgdispidNamedArgs = NULL;: v6 ~ p, I9 I, V9 p1 ^
dp.cNamedArgs = 0;8 c7 U3 G! N' d8 {1 `
, R( B P x& {0 Y) V* W3 e$ o, u hr = m_pDisp->Invoke() d t7 r6 K" p- _3 ^
pokeID, $ O# V* o9 e2 \2 l IID_NULL,: F8 D; R' N+ m+ d& M+ a* v1 X4 s+ k6 D
LOCALE_SYSTEM_DEFAULT, : l) h6 B; y* A0 [7 g" A* j& N* I DISPATCH_METHOD,' ^3 c, T2 W. i2 [# E. e, k% x0 G
&dp, . B2 w3 p* u' d- ~7 d, Y2 S" h1 N NULL,; `- F. |; f* Q
&ei, # A1 W1 i n+ N, G! k+ p) _9 }" G# a &uiErr); / c9 H% n% C: K; q& m ! M% X9 v5 U2 p+ E6 Z" h8 f% c' y SysFreeString(topicStr); : G) g: \6 T S+ Z SysFreeString(itemStr);; f% n! r- q: p: k' a
SysFreeString(valueStr);3 {) G% s+ j* o9 `
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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??? ) J& i4 t8 F# q, u% ~! R0 C$ d+ 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???? $ n6 i" L2 I) t' l+ ?9 b' i" j/ X2 @9 l, t
# P+ a) n. `. {# r+ y% d* I2.这是request的程序 ( R* f1 _$ h# w( {( u+ @// Request a value from Extend- u7 R# w/ L+ e( [ R
// L0 x6 F4 S3 V$ v( M// Initialize the variant that will hold the BSTR. Set the variant's % b% [4 v; d& n; Y, N; H% V3 |// type flag to indicate the fact that this variant holds a BSTR. Place the 8 f# h4 j6 q; X, Z2 R// BSTR into the variant structure. ! p8 ^& g+ C9 O8 t 4 k$ S. U+ i# g' Z i& q' c% C requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);: G+ f% o5 h5 ^* P
3 E" R. \& b. S3 d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: O- @5 A( \( p& ?, C2 \, q
VariantInit(&requestVariant[0]); 6 ^( ~- z2 ?9 Z8 J
requestVariant[0].vt = VT_BSTR;. U5 }8 ~9 {0 T G; m
requestVariant[0].bstrVal = itemStr;6 b7 U0 S2 Z. ?+ G3 ]7 p" Z7 F
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topicStr = SysAllocString((WCHAR *) L"system");% M( F& K+ B2 F! n9 v
VariantInit(&requestVariant[1]); L4 O0 T2 s w7 Q7 c requestVariant[1].vt = VT_BSTR;! f; r" S% U( E/ a4 p) Y
requestVariant[1].bstrVal = topicStr;3 A- R4 l6 K7 j: k) e" s) [
; k' L% X+ _: Y" R7 g! \// Set the DISPPARAMS structure that holds the variant.8 y. r! A9 B6 J7 `# f5 P$ ~2 w
2 m7 K% l, t* `" j# @" n dp2.rgvarg = requestVariant;$ K& X( s; n; a$ D
dp2.cArgs = 2; , @! x5 P" _( L% S& O- h dp2.rgdispidNamedArgs = NULL; / ] u9 n* s3 B) ` dp2.cNamedArgs = 0; 9 u& ]: k9 y1 N) m; K! t9 E! w- L
var.vt = VT_EMPTY; ( ~7 N- s. J% L . q: W" Q0 N5 r1 X: H) j! u& X// Call IDispatch::Invoke()( z: D! n9 ? W) Q
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hr = m_pDisp->Invoke(4 Y. n0 S- F; O2 @
requestID,/ l$ z* D; o( ~
IID_NULL, ' i+ O' F- G" s" F% n) ~) |4 Z LOCALE_SYSTEM_DEFAULT," z4 N8 {5 ~% [* M2 k% K
DISPATCH_METHOD, ! l+ ^: T5 T' r &dp2, 4 y# y% P4 A6 p/ N% F &var, 0 f' p" C# p) m* h& g &ei,1 h& H8 w6 P" J! A% h
&uiErr);# Z1 ` t% W; I$ v: ^3 ~# w
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SysFreeString(topicStr);* A8 L# Y9 {6 x5 ]4 U
SysFreeString(itemStr);! _1 e8 p3 s" g- K& F e
请问该程序是获得extend里面的哪个值? ! P- r* ]' C' a W7 m' K9 t7 g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????