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:! [) p5 M3 n' A6 S( `3 Y
Name = (WCHAR *) L"Poke"; : N; f( I& I3 N+ Y; @/ s b: W+ ^ }) k ( _' D$ P+ V3 R9 n# [ hr = m_pDisp->GetIDsOfNames ( 3 ?4 E( U1 `6 A: z1 X& W4 Q: q IID_NULL, // reserved8 V) T [8 R0 _( n% L! N. W
&Name, // Array of names to get IDs for. `' j3 P. X4 j8 ^4 n% F4 i
1, // # of names in the array 3 g" `' P D7 v7 J2 b+ ~% ]0 f LOCALE_SYSTEM_DEFAULT, // System locale# p# I: L' R: u3 N
&pokeID); // Array of IDs to fill on output 7 w/ e: S- H. D9 [( u4 v0 p : O* h9 d% ~3 Z- F if (hr)2 P6 d- p, U! P9 e0 @
{ 7 U5 {: m! u* ~$ f MessageBox ("Get Poke Unsuccessful"); 7 ?- ?/ W/ O" {7 I) a- B0 } return; 5 I8 E+ ~ U' }* A" {& W }: S; S8 S" J0 P" F* z1 f+ z
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/**************************传递数据给extend**************************************/ / v* v# I' M6 k/ @: P/ V1 S pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 L- z' x7 k# X' \# N B
2 |1 I, n3 B+ |, m5 G valueStr = SysAllocString((WCHAR *) L"1232");8 l# v3 m; T; L$ y" _: s1 {; d" P
VariantInit(&pokeVariant[0]); : b1 F- T5 r* z. D; W9 V+ D
pokeVariant[0].vt = VT_BSTR; : d0 z, X1 ^9 s1 t& [; M# E pokeVariant[0].bstrVal = valueStr; ' e7 t8 L8 I: \+ c( W" W9 x; P) M3 B! z, J' V2 }2 k% [+ r+ h
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 i" N0 F) s+ b5 B
VariantInit(&pokeVariant[1]); 3 d$ Y0 _* X% ^$ T pokeVariant[1].vt = VT_BSTR;; M" O- A* z x# V
pokeVariant[1].bstrVal = itemStr;2 w/ J$ f2 X! d
- r0 M" r8 }) Z, @1 U/ w: e: i topicStr = SysAllocString((WCHAR *) L"system"); 8 i* @% l3 }; ^* L! | VariantInit(&pokeVariant[2]); 7 {* r: _) n$ V% i$ U pokeVariant[2].vt = VT_BSTR; ; g m2 W' `: r" Z, @8 G! }% H8 \ pokeVariant[2].bstrVal = topicStr;9 w4 Y# T- x% F1 w/ V2 Y
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// Set the DISPPARAMS structure that holds the variant. " y, |' V. ^; e' z+ g! F . H- g! _4 Y/ m* K$ Q dp.rgvarg = pokeVariant; 5 ]/ R/ ^: Y( N9 t9 F8 }1 t dp.cArgs = 3; 0 c' g! w' V9 m1 S- B' L dp.rgdispidNamedArgs = NULL;+ A9 M. O1 L2 _! b; X3 d$ t! V
dp.cNamedArgs = 0; $ h M1 w v- y" _# _# M4 q) \0 F6 }' V. }' w6 }3 F; Z( f
// Call IDispatch::Invoke() : z4 f4 d5 p6 K7 z2 d m1 J! N5 `5 N2 l
hr = m_pDisp->Invoke( z3 G/ ` k% Z. Z. r pokeID,' U" }+ W, V0 R
IID_NULL, & S; I( \3 C. F. X9 K+ i; d LOCALE_SYSTEM_DEFAULT,+ q0 Y% |8 a8 e3 G8 A9 ^: E1 |
DISPATCH_METHOD,+ f" N( K+ R: Z s1 j
&dp, ) C/ g; g' f) e' Y: E1 x4 o: z2 H NULL,! }/ G. v" ^$ e( D# }
&ei,7 T* E/ K* m* C8 m' o/ `
&uiErr);: @2 Y1 \! g3 k6 E0 y" X
) i, D1 \3 l' F( }9 E: ^4 l SysFreeString(topicStr); + H/ P! c" y: r2 Q$ s SysFreeString(itemStr); " T; F4 j4 K% U, g3 R% @6 ^7 x+ M SysFreeString(valueStr);! p5 ~0 J$ F: y' A" M5 R' {( M
6 y8 ^5 B* \- G T2 Q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??? / }/ n/ |3 F8 r: Q* Z# M; P- m$ |" @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????" A3 U/ h- w6 L! z2 h; R
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2.这是request的程序 S- H4 r7 k! @7 a9 K4 f2 `' k) z8 z8 C H// Request a value from Extend! G3 P% }- k% g% X1 Y
// Z0 |# X0 G0 Q( g5 f4 e2 s8 Y
// Initialize the variant that will hold the BSTR. Set the variant's( U! i# }# G4 p/ `* R9 q
// type flag to indicate the fact that this variant holds a BSTR. Place the: z6 @# _8 q+ ^2 a8 J* h1 f+ k& z
// BSTR into the variant structure. % o3 e$ U2 F* h; R$ w! S$ g$ Z9 _9 U0 g
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 C3 ]: u+ `% \% S5 V
8 A9 B& E/ n) r% ]$ k' r' p itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); r% G p( H( A8 j- u VariantInit(&requestVariant[0]); # L! m7 v% }# N requestVariant[0].vt = VT_BSTR; $ r v6 | G3 Y, i( x7 o requestVariant[0].bstrVal = itemStr;4 L& V1 l% c! [* B0 ]1 k, r9 F0 o
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topicStr = SysAllocString((WCHAR *) L"system");5 T! ~0 T$ D1 H0 y& M0 v, |6 _
VariantInit(&requestVariant[1]); 0 o8 m7 N8 o2 n: H f |
requestVariant[1].vt = VT_BSTR;# K1 p5 g/ a, e6 e" m9 F
requestVariant[1].bstrVal = topicStr;8 h0 D* H, G' h' I+ X3 d9 B
m7 C" O5 H% d9 L! R: P. P// Set the DISPPARAMS structure that holds the variant.$ P3 _( h" P, _ V& _) O