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5仿真币
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:
: O7 D9 m$ ]& JName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
0 B& w4 s @9 Z" d IID_NULL, // reserved! ^! Z+ o/ P. y# N
&Name, // Array of names to get IDs for: ?( F+ E5 W! k
1, // # of names in the array
, b0 i; f; O3 }; E- F6 q$ |: m. G LOCALE_SYSTEM_DEFAULT, // System locale6 N3 ~9 x( @& J' o3 O% e
&pokeID); // Array of IDs to fill on output
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if (hr)- V0 k- [- ]* {1 {4 e6 Q# G
{
8 ] A3 H, `. u2 e" E7 G MessageBox ("Get Poke Unsuccessful");" v& A! }7 s. L" f5 D
return;" V* S: L0 m+ U/ r
}
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, r( P- J& o# u2 T9 j/**************************传递数据给extend**************************************/ }1 c; X# i# J1 r# j/ W/ ]& Z0 u: e* I
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);+ M C/ n u% o c, V
& F0 t7 C3 | E( }# q valueStr = SysAllocString((WCHAR *) L"1232");
/ Y6 j$ e0 H$ {& F3 V VariantInit(&pokeVariant[0]); 9 a; u' m {2 h# L
pokeVariant[0].vt = VT_BSTR;
& q' _) r; d4 {+ W pokeVariant[0].bstrVal = valueStr;1 x! q7 R! w# v6 o/ h5 y* f: j
5 b4 H5 c! ^6 K+ N1 ] itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 [* f( D) t" V: ]6 n. m; z9 w
VariantInit(&pokeVariant[1]); . Z- }, o0 ?, Y0 |3 j2 w" w
pokeVariant[1].vt = VT_BSTR;8 {9 a2 e9 n, n- _2 M
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
, `) z G+ E2 {$ c8 R VariantInit(&pokeVariant[2]);
4 J1 E/ h1 X9 m( o' u$ ? pokeVariant[2].vt = VT_BSTR;
$ I2 t9 q4 e1 L; ] pokeVariant[2].bstrVal = topicStr;" `$ E" @* d( y8 B7 o
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// Set the DISPPARAMS structure that holds the variant.
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3 F5 H0 O w' |& O dp.rgvarg = pokeVariant;" [% u) T( m4 H+ z7 N" o6 S
dp.cArgs = 3;
- q9 }9 J& W: S' l dp.rgdispidNamedArgs = NULL;2 _# y+ f1 V( U( B6 d2 C- T5 Z
dp.cNamedArgs = 0; U& _- L5 y; G# `5 p
% Q2 B/ Q; l) N4 e" |$ N3 Q
// Call IDispatch::Invoke()0 B6 X# l4 M5 {* b! c, `
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hr = m_pDisp->Invoke(
& v6 z/ B( R, P: v$ s4 [- U& Q4 g pokeID,
& n' B4 J6 z. F( y IID_NULL,
8 {- {, D3 p1 U1 I) {( P+ r2 o LOCALE_SYSTEM_DEFAULT,
) A# T# w+ j, }4 J+ m, q9 `2 T& ~9 } DISPATCH_METHOD,
0 Y4 k% p: f* }/ b2 N &dp,
; \3 O5 G; U( f' N7 t9 J6 |1 M NULL,
, Q9 c- U9 ?! m% V &ei,
7 [& c( j u% C' T- o+ J) z &uiErr);2 z" z5 I/ m& | {' m, h/ j
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SysFreeString(topicStr);+ C& o4 S+ q. ]1 o1 E" }
SysFreeString(itemStr);
4 h& {& ]9 t* q" q9 Q SysFreeString(valueStr);+ m3 o" G* X# e, g
& ]' [6 w% C; d! U& X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 P( B( \6 S6 c+ i+ `) n5 d0 v' 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????
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2.这是request的程序7 c# w; @# O5 G
// Request a value from Extend) ~( s7 Z6 R3 C: F/ U8 V0 a, K& q
//
, J1 y7 v) M( ^: J2 b// Initialize the variant that will hold the BSTR. Set the variant's
/ e$ J$ e3 c5 T1 f* e" b// type flag to indicate the fact that this variant holds a BSTR. Place the' j& M: i9 F" [
// BSTR into the variant structure." v; k) ^& e# {% A: U# q& q% O
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* e$ T2 J7 Q* C" T. R1 J
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ Q7 X' q0 h% C1 d0 H# R7 c4 G5 L VariantInit(&requestVariant[0]);
0 N7 i, H* w8 G, f# J1 \: A requestVariant[0].vt = VT_BSTR;. p! U4 E5 I2 R4 {
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");% i3 S9 W: j0 U3 E" l+ s, K
VariantInit(&requestVariant[1]); . H3 j( n$ n$ V) o/ v
requestVariant[1].vt = VT_BSTR;
$ C+ f0 \( {0 b8 `2 O* [ requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
- T# I: H8 S9 j; @2 r2 ]7 n7 G dp2.cArgs = 2;
) P" y4 R1 t; m1 z- |- L6 r! g5 U dp2.rgdispidNamedArgs = NULL;
9 Z2 s G0 o1 E; |: M7 v dp2.cNamedArgs = 0;
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- | s8 ]5 ?9 R* {# q var.vt = VT_EMPTY;- u- b% ]8 i2 m8 i. r9 o8 e; A
& f3 d* B2 P1 { Z8 ^// Call IDispatch::Invoke()+ Y, J- }$ x0 e! Y" w; F4 F
- j! K9 ~1 V% w2 V0 } hr = m_pDisp->Invoke($ h& o `2 p: E( z
requestID,
0 _& t2 N O# P/ M IID_NULL,
. |& Y; J8 ^+ s/ g7 U' B: D0 r LOCALE_SYSTEM_DEFAULT,
, H% j4 i8 ]! Q9 j; K% g' l DISPATCH_METHOD,
0 u' \9 t. |: w9 b3 s &dp2,- I4 R& ?6 D7 H9 U- s
&var,$ L) Q6 @; W2 e1 c: K% L b$ b1 d
&ei, b! [( j" R1 g
&uiErr);! t" |, O- k" h; J% n( ~" E* B
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SysFreeString(topicStr);
( c* E& |3 F- f1 @0 r0 r# Q SysFreeString(itemStr); ^% W. {6 t/ ?
请问该程序是获得extend里面的哪个值?* H/ G8 z8 M! p- I' N8 g1 Z
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???? |
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