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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:
* A) G9 Z# d5 J, mName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
4 ?3 b0 v Y* K1 B9 t& c IID_NULL, // reserved
, L0 t. ^1 o3 ]; W. i* c &Name, // Array of names to get IDs for& b! ?9 I& g: D* A' s; T
1, // # of names in the array
& ]) t% h( C3 _- s1 o- r0 X* [ LOCALE_SYSTEM_DEFAULT, // System locale- \, P! }3 R- {4 N& [7 _6 Z
&pokeID); // Array of IDs to fill on output
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if (hr)
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s, }2 b5 _8 v MessageBox ("Get Poke Unsuccessful");
( [# R9 x2 I1 B4 d# Y) u7 d, g return;
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/**************************传递数据给extend**************************************/4 U2 Z) Y B% a0 g
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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$ L5 Z. E- Q6 L valueStr = SysAllocString((WCHAR *) L"1232");
2 N- G8 c1 ?% i" b( |- u VariantInit(&pokeVariant[0]); 1 S6 [ }! P) L6 w
pokeVariant[0].vt = VT_BSTR;) Y6 u) V; f5 i/ G& \! k
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 F x" C# J) u2 A
VariantInit(&pokeVariant[1]); $ D8 G8 w4 o0 q, f
pokeVariant[1].vt = VT_BSTR;6 K) j9 I2 t+ t. `. `
pokeVariant[1].bstrVal = itemStr;" t/ v4 ?+ c$ d& m; N
+ q' K2 S2 O7 P; j3 O topicStr = SysAllocString((WCHAR *) L"system");0 c1 s* I1 n+ _
VariantInit(&pokeVariant[2]);
* L: o9 ?# q3 b pokeVariant[2].vt = VT_BSTR;
$ v; p: Y6 }6 z( n/ F) V& c pokeVariant[2].bstrVal = topicStr;& q' d; n) B7 N+ ~+ t$ Z6 U
% z; s) C( k" ? M4 S9 C* ~// Set the DISPPARAMS structure that holds the variant.
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' s8 j. w5 a6 u6 |8 t# L8 { dp.rgvarg = pokeVariant;
) Q1 F! t2 i* j" W dp.cArgs = 3;2 G% P |8 b* p, R; H# Q! x
dp.rgdispidNamedArgs = NULL;4 ]5 F c+ F+ K) z5 q$ e
dp.cNamedArgs = 0;
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; U0 M' p4 d% k( W9 Z# f; T# |// Call IDispatch::Invoke()$ C$ O+ H. U: ]' C- b' G( @
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hr = m_pDisp->Invoke(/ t3 x, t( D7 M/ M
pokeID,. c# J( S7 D4 c, q7 v
IID_NULL,% ?5 G+ ~/ m9 a6 D
LOCALE_SYSTEM_DEFAULT,
5 N! v- n! H& C% }+ z( y% D: | DISPATCH_METHOD,6 v/ t# `& `+ W) d D
&dp,
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&ei,; G8 B% ^8 L3 w6 n7 P. x
&uiErr);! a0 o W* l. v$ N
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SysFreeString(topicStr);9 c# N# } x4 s8 S, J
SysFreeString(itemStr);
: q" T- V- E6 ] SysFreeString(valueStr);
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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???" R$ p# X6 B0 O; Q7 f3 O5 o" j
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
( B! q; z; ~; A. Z4 L// Request a value from Extend% }9 i. C7 B$ @4 L
//
, T+ x& _2 t- k0 a3 J// Initialize the variant that will hold the BSTR. Set the variant's; d' [/ w7 E8 V. B3 b0 u
// type flag to indicate the fact that this variant holds a BSTR. Place the
2 l* L1 R7 i/ j; I9 x// BSTR into the variant structure.5 }6 G B$ {+ \ x2 b" W
* f7 e% T- k1 J O: q3 S9 ] requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); ^9 V I' ^+ C9 g$ d) G$ x" F7 e
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 S( W% f1 L" x
VariantInit(&requestVariant[0]); - G% \/ u/ i+ P7 Y3 u8 S
requestVariant[0].vt = VT_BSTR;, M+ u1 |: E6 H) ]- [7 P+ q/ E
requestVariant[0].bstrVal = itemStr;1 ?1 B M0 C* g) i
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topicStr = SysAllocString((WCHAR *) L"system");
- y. j3 h* W) _4 E M+ s; }# B0 W VariantInit(&requestVariant[1]);
5 p9 K* ?5 D& }$ X! t2 e* t- A requestVariant[1].vt = VT_BSTR;$ O& M6 _+ m$ x8 e( u4 U
requestVariant[1].bstrVal = topicStr;0 b3 a5 H7 M5 Q8 F
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// Set the DISPPARAMS structure that holds the variant.
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9 [" ^1 q4 ]: V5 f8 i dp2.rgvarg = requestVariant;6 C, o* M% N& h/ n
dp2.cArgs = 2;
0 c# T3 \) |1 p% Z dp2.rgdispidNamedArgs = NULL;' N+ E7 n" t4 c; d+ y Y5 j8 G
dp2.cNamedArgs = 0;/ B% Y+ G- n- c# [/ h) P/ _3 C3 R, J8 A) T
- a' Q4 o0 z; p9 @: ^6 o1 q var.vt = VT_EMPTY;
* \4 q4 {6 V+ O4 Y
4 n1 l( j: J0 }9 I. y// Call IDispatch::Invoke()+ H- H1 z: j& E8 }% T( }
6 n# F6 }' Q( v1 @3 {5 \ hr = m_pDisp->Invoke($ B8 n Z" o5 I; G7 a( t5 H
requestID,0 L1 L1 N/ x; C
IID_NULL,5 {/ x# x, M3 e: t Q
LOCALE_SYSTEM_DEFAULT,3 q: A% L% K3 c1 `
DISPATCH_METHOD," n4 w* }; `+ V/ T
&dp2,- B0 k, E) {* x. ?9 k" k7 k
&var,
8 _& w# C/ @2 x+ T- E! u# J &ei,( ]; D) U$ W+ k6 i6 w
&uiErr);! m/ X0 H# A6 d) ]( s
0 Y% n* X6 a1 l. S% G SysFreeString(topicStr);6 C' T1 N+ n$ F
SysFreeString(itemStr);
9 C- g! J' N- ?( ~+ z+ X! S请问该程序是获得extend里面的哪个值?
. d* w; y6 d4 o/ k( V5 j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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