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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:) l- ^ H: d$ `3 H( X2 I9 A
Name = (WCHAR *) L"Poke";
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) [' m$ o% M0 u9 X4 n3 V hr = m_pDisp->GetIDsOfNames (6 b# i3 g4 p/ e5 a$ M. q
IID_NULL, // reserved" s* Y6 j7 T% ?# ?
&Name, // Array of names to get IDs for" h( d/ }+ b5 \& Z8 x! [" T
1, // # of names in the array
& t3 K O7 y# X$ i& D, [3 C LOCALE_SYSTEM_DEFAULT, // System locale" ~1 @ e% ]) P) A/ a
&pokeID); // Array of IDs to fill on output
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' _2 c& [" H. |, l, p0 p if (hr)
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MessageBox ("Get Poke Unsuccessful");
5 [# f4 u. S# u4 x/ _3 R- U- l return;
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! I8 p e# {% Q/ c/**************************传递数据给extend**************************************/
" f9 k+ B) A: E+ m/ Q g; X pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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: [" s2 w# V+ ~8 G R valueStr = SysAllocString((WCHAR *) L"1232");
' ?, r: n8 t; l5 I% g VariantInit(&pokeVariant[0]); * W8 ^& M3 q7 H4 X: F7 P0 N% g. ^
pokeVariant[0].vt = VT_BSTR;% Y) M3 O; A$ @, e& h6 M. o+ p5 @
pokeVariant[0].bstrVal = valueStr;$ K3 I$ j( V) r
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 ^. a0 j4 y, ?: P0 Z+ O2 N( c VariantInit(&pokeVariant[1]);
1 P! C- g' k' l& g7 f pokeVariant[1].vt = VT_BSTR;( _ t" F9 I" z& F
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
8 J* }7 R9 h6 ~ VariantInit(&pokeVariant[2]);
2 M0 b8 d% Q) J* @- H9 u2 S1 C! W pokeVariant[2].vt = VT_BSTR;3 v. J R- O! O6 G
pokeVariant[2].bstrVal = topicStr;6 x/ t* J6 G' D2 Z6 i c/ V
. t) S8 b9 l, }* ], r3 A8 I// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant; C5 ~) E7 v+ F4 a0 H- b
dp.cArgs = 3;! }4 j* j5 S7 M; ^5 p3 ]& a
dp.rgdispidNamedArgs = NULL;
$ G9 I: a l: l3 }% w' t dp.cNamedArgs = 0;; c# s, J/ A2 w' N, B! Y
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// Call IDispatch::Invoke()
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/ u$ o: k3 P' |$ T$ n4 L& _ hr = m_pDisp->Invoke(4 D9 R3 j, h0 W1 ]7 U
pokeID,
2 H. c9 o B5 g l IID_NULL,6 x" d: i$ r& c
LOCALE_SYSTEM_DEFAULT,: P8 }. g% W1 r. O' w* @8 u) ]6 `* l
DISPATCH_METHOD,
* B- A7 M: B0 M5 _8 t &dp,: B- m; n! [3 d! N
NULL,
9 Y- i8 y; S o2 D' f" S: i0 w! Q3 r7 k &ei,
/ I, Y8 U5 n6 k1 ` &uiErr);4 |3 z0 M2 D2 B9 Y; g
' S. T8 i; W @, N" i. T' m SysFreeString(topicStr);0 {. r# y: H' M- S( X
SysFreeString(itemStr);
7 q% m4 n/ h! m SysFreeString(valueStr);3 S) h7 D* N7 I; Q+ V. K
% j0 {9 J5 b+ _) a7 w& L' B* e4 J& D2 J
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???
* y2 y8 f3 D+ O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
8 d- g6 D5 i; B- P4 j// Request a value from Extend/ W9 v S* K) }1 u! d0 ~! o
//7 p/ H, }5 H# D0 q
// Initialize the variant that will hold the BSTR. Set the variant's
. S% _' k8 q* y# W// type flag to indicate the fact that this variant holds a BSTR. Place the# ?- a1 M( _$ Q
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, I, z( ~* e2 I: m( i6 i: R7 s& n- O
VariantInit(&requestVariant[0]);
- |1 }; B! B/ b. m requestVariant[0].vt = VT_BSTR;
; {( ]/ c* C& _' p$ m requestVariant[0].bstrVal = itemStr;6 t: B) d+ S1 _
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topicStr = SysAllocString((WCHAR *) L"system");% V5 Z* Q/ M4 b4 I! F! n
VariantInit(&requestVariant[1]); . `, W8 n+ [0 E! Y3 a* N
requestVariant[1].vt = VT_BSTR;
+ |7 F R1 T: w4 o4 J requestVariant[1].bstrVal = topicStr;
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# S7 Y7 D0 i$ e& ?1 ?// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;/ {* I4 F) b) ?
dp2.cArgs = 2;
8 Q: {- T3 h$ B7 h" G dp2.rgdispidNamedArgs = NULL;7 e/ Y- _7 o! z' h' B3 J
dp2.cNamedArgs = 0;
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, s% p7 m9 Z# ?! D+ d7 F2 J var.vt = VT_EMPTY;
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) u! d. C2 h K6 i+ N// Call IDispatch::Invoke()
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- x3 h9 [$ \4 _2 L hr = m_pDisp->Invoke(
+ w5 F* }4 Q9 P1 F( @/ p! j requestID,0 p6 C1 {/ y r
IID_NULL,: J: D' {6 |, D4 u3 W3 I( g
LOCALE_SYSTEM_DEFAULT,# b% l$ {" T$ ^& Q" E% F& P9 E# H
DISPATCH_METHOD,% Q4 M* o% H D$ k3 v
&dp2,* H: B( t* t* t9 x$ ^
&var,
}5 }4 A) c; _3 _! d3 L9 S &ei,
$ e6 M' F3 E& a) i0 _ &uiErr);3 z3 l) i4 {8 E2 a) N4 r9 Q0 g
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SysFreeString(topicStr);9 r) I' P7 w1 q- L2 f
SysFreeString(itemStr);
* \. \# r ]& C: G请问该程序是获得extend里面的哪个值?
& v4 O2 n! Q. h% B# Z/ s# f! H7 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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