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: # G: {; r+ f \( U% ?Name = (WCHAR *) L"Poke"; 4 G8 h& Z' Z8 M/ m; ^ l. W : g) M* s p* n/ @3 @* A5 A; T G
hr = m_pDisp->GetIDsOfNames (; F- D0 o, K5 n9 U
IID_NULL, // reserved ' W- e9 \* y, S# r1 ` &Name, // Array of names to get IDs for 1 X6 i* K$ ^1 b' ]+ D7 ]* E# l 1, // # of names in the array7 d- \) a' _( y
LOCALE_SYSTEM_DEFAULT, // System locale$ `6 H' d' }2 r/ m8 y& n0 W
&pokeID); // Array of IDs to fill on output; O) l+ N. |) _7 f
) I: R% v1 e$ R% U% N# E if (hr)% E& y: J8 H0 r/ Q7 s$ |$ o: q
{ 9 j6 r6 Z ^5 D MessageBox ("Get Poke Unsuccessful");2 r3 z/ |5 F0 Q: a2 _
return; + i4 ]( I$ `- ^& a; W: E6 q: D" _+ p }6 m; J& L2 k# I* x7 C. L: ^" e- \
" C. A. r. ]; l/ w0 p) n' y) j V/**************************传递数据给extend**************************************/4 t$ _/ r9 o" Y' u/ C
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); ' ?: U9 C$ r3 c* z9 M4 @ . }" G f0 x& Z, i9 B
valueStr = SysAllocString((WCHAR *) L"1232"); 4 B) V' {3 [% U: v0 T& z( b v6 p+ C3 w VariantInit(&pokeVariant[0]); , }; m. z% ^$ b+ x* X pokeVariant[0].vt = VT_BSTR; & @5 C% U, K5 T. k& V* h& E' g pokeVariant[0].bstrVal = valueStr; 8 L3 K; u4 A& i5 H, \3 M5 S z# g$ g- U9 n
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 8 V8 I# v5 F2 C% Z VariantInit(&pokeVariant[1]); 9 |) D7 n- W% y( a) N v5 L pokeVariant[1].vt = VT_BSTR;: O6 e0 q; E- n. B. y
pokeVariant[1].bstrVal = itemStr;8 a% m6 q+ o) n5 [
9 t3 V6 V9 V/ o6 G topicStr = SysAllocString((WCHAR *) L"system");# K2 ]7 s% {4 O8 X9 \
VariantInit(&pokeVariant[2]); ) f2 j# j" L1 E, ]- P+ x4 t! ^+ G pokeVariant[2].vt = VT_BSTR;2 g: K/ Q/ h. N! k
pokeVariant[2].bstrVal = topicStr;. a- D+ ]* u* M# H- U
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// Set the DISPPARAMS structure that holds the variant. 0 r& J3 N- f3 w6 ~. M! ^: _! Q 4 x6 @8 v' i" _( ` P) K ] dp.rgvarg = pokeVariant;( u0 X* @& W) P E
dp.cArgs = 3; + M( \9 n. h( @ B dp.rgdispidNamedArgs = NULL;5 Z7 j# O0 G+ a/ K4 |% |! ]
dp.cNamedArgs = 0; 7 I1 q3 x# T4 e' r, G; m1 _% o , C0 @1 @2 E; t5 q! l// Call IDispatch::Invoke() ) h$ ]) W P9 V" Q3 y% v F! C % I! Q0 d3 ]2 _ hr = m_pDisp->Invoke( ' }3 ^" A: T9 a$ z: [ pokeID, ( A( V+ t* ]- Z5 \+ |# P" P' h. Z IID_NULL, : {. _; R- I* A% O LOCALE_SYSTEM_DEFAULT, - d; e4 o. ]3 l- r DISPATCH_METHOD,3 l0 w- `% Y' U# o+ u6 G, p
&dp,% Y! d, Q0 q, K% f) {
NULL, , \9 |1 }( _& Q' Z2 I &ei,- ^$ w8 S+ }" @1 M
&uiErr); B: C$ ^7 I4 R/ c- R6 t9 C
, y1 I! ~4 q9 K$ Z+ U5 h& J SysFreeString(topicStr); 2 r9 F; s- M* B( V, { SysFreeString(itemStr); ( |) ^" X% x+ c SysFreeString(valueStr);" W6 s5 }; s. ^; g
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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??? % E! }: {0 l% h" s/ a0 v3 Z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????1 g6 w* ^- `* c+ l! [$ U3 r
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2.这是request的程序- S G6 U! L9 K: Z' @
// Request a value from Extend - C2 a, k7 o. B3 x0 W9 R# U9 L//4 k+ S5 `( b' d4 {) |2 I
// Initialize the variant that will hold the BSTR. Set the variant's 2 x4 ?5 e! O4 p: c& w1 d1 C// type flag to indicate the fact that this variant holds a BSTR. Place the # H5 D3 G4 n. g// BSTR into the variant structure. " H5 U8 \) B' k+ f- N# l8 |$ t# I/ B! O8 k) F$ @. @+ y3 e
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 z1 g4 f$ z) o* {
2 c0 m, w. [7 F, D% f, M itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); * {3 A3 X& Y8 R4 V+ _+ F( | VariantInit(&requestVariant[0]); 0 C" i8 m9 K" ]& V$ p$ k
requestVariant[0].vt = VT_BSTR;- c. Y! u" V& @5 B
requestVariant[0].bstrVal = itemStr; $ E+ p7 t; g4 U $ V6 y: I$ D; E/ z% `& h: J topicStr = SysAllocString((WCHAR *) L"system"); % R6 D! a' m9 Y VariantInit(&requestVariant[1]); - r" H5 r- }; \! J! e7 f requestVariant[1].vt = VT_BSTR; 3 [& w; X R6 c# Q* z requestVariant[1].bstrVal = topicStr;* i6 K: W; w: b
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// Set the DISPPARAMS structure that holds the variant. 5 n5 L. V5 Z2 C O4 f( ]3 E" a- _+ c6 Z( G { I
dp2.rgvarg = requestVariant;3 R+ Y( r, [4 g$ i
dp2.cArgs = 2; W# L) X6 A8 y0 y0 a {% f
dp2.rgdispidNamedArgs = NULL;4 L( Q8 O0 R- c- F" D8 _. K" M
dp2.cNamedArgs = 0;; W h7 V, t5 i8 B
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var.vt = VT_EMPTY;* g( E1 E+ c* w
0 D4 Y3 L4 i2 Y9 b// Call IDispatch::Invoke()1 y6 S& s" {9 L. g2 V7 `4 p
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hr = m_pDisp->Invoke(+ q+ r5 F: ?( G5 p& n: I" _" p3 v4 l
requestID,# W' `; G/ \/ E* p% {
IID_NULL, 3 J# r: a, V4 u/ u% s6 I* s LOCALE_SYSTEM_DEFAULT,8 ]( r1 j( Q* \1 {. ]4 c
DISPATCH_METHOD, 4 ~# g# H( q7 C &dp2,, x) |5 _1 r3 W' t# R
&var,6 ~& f. J) \/ }- f; Y
&ei, ) M$ a" ?# W% h! y &uiErr); 0 N. E! P. C! `4 R% m4 r( i0 K# F& d! e5 V' F# G
SysFreeString(topicStr); , B1 W7 U$ \5 ?3 n, F# ] SysFreeString(itemStr); 4 b& Z, ` I! @请问该程序是获得extend里面的哪个值? * }& P3 H( i7 M& `2 p. N# i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????