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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:$ y7 E; X/ n8 E' T
Name = (WCHAR *) L"Poke";8 |4 [! G4 H" y; p6 }# E: K& V6 P
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hr = m_pDisp->GetIDsOfNames (6 f6 Z0 R9 |+ G& }4 n' r4 C
IID_NULL, // reserved! t# i. P% }! k2 V! p- b
&Name, // Array of names to get IDs for& p6 h, }3 O7 l
1, // # of names in the array5 @7 j, E& ?0 M2 e
LOCALE_SYSTEM_DEFAULT, // System locale/ z+ I: `& ~, t3 y- u) b2 m
&pokeID); // Array of IDs to fill on output! K2 m& I4 ?8 m# l
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if (hr); {0 s7 |$ J8 E* \. `7 ~/ x" z
{
. H0 T) g1 H$ [& G8 W3 e: J MessageBox ("Get Poke Unsuccessful");; D A! z$ m. z- `( f) p, [: _
return;
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2 y, I5 W4 N5 {/ E$ M' u8 `/**************************传递数据给extend**************************************/) G( X5 [. x7 y. L9 r: k
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");/ ?- r& l1 `7 U3 w1 J$ W7 k
VariantInit(&pokeVariant[0]);
6 {0 i9 \ Q( R pokeVariant[0].vt = VT_BSTR;
- o& q, Q. G& i0 e* H* J pokeVariant[0].bstrVal = valueStr;5 v5 q6 L4 ]4 B0 L: @1 g, O
( u5 M H' q6 X1 S4 {
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& u" B; s8 `* Q8 A4 {6 t6 ?. H8 T VariantInit(&pokeVariant[1]); 0 u* |' Y [ k, Z6 \7 [
pokeVariant[1].vt = VT_BSTR;7 B" R1 h. \; J
pokeVariant[1].bstrVal = itemStr;: x( n1 s" A: S1 k( Q9 i4 R
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topicStr = SysAllocString((WCHAR *) L"system");7 X! O' b9 R) w% g
VariantInit(&pokeVariant[2]);
; ~: o! l9 Q& c( j! e" G5 p' ? pokeVariant[2].vt = VT_BSTR;
2 ?8 I5 A. \$ \% y' e pokeVariant[2].bstrVal = topicStr;# W' M% L$ o; w P" a0 L/ _
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// Set the DISPPARAMS structure that holds the variant.
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% L' D G% [0 ^1 b% i0 U0 C dp.rgvarg = pokeVariant;* W2 [" z* O P5 W) ~
dp.cArgs = 3;
+ q: i) a4 H+ i" G+ i+ l dp.rgdispidNamedArgs = NULL;. L+ z+ C3 C1 m# J, l* J4 k7 w; j* {5 h
dp.cNamedArgs = 0;4 f; L. C! k. b
; T d9 K. l0 X# I// Call IDispatch::Invoke(); W" D4 S% o9 o# u" J. j
0 D2 K8 e# {( V. V( [& m7 k hr = m_pDisp->Invoke(+ I9 u0 Z$ _$ p
pokeID,
( x" M% E. N5 ]! d IID_NULL,
! O8 ^/ [6 w$ a: `* R' A LOCALE_SYSTEM_DEFAULT,/ w5 C; O1 R( m8 M
DISPATCH_METHOD,$ }: \7 D' g/ O4 [: f3 K) w; I
&dp,4 n \. T$ v" E Z1 d
NULL,
8 t: i) a! c9 h( i &ei,
/ D/ u* k/ Q" p( g &uiErr);2 x8 Q4 l( S: D
) T" l- E, E% q: c- I7 |' b% q SysFreeString(topicStr);8 i. P' A) ^! t: R) C; G
SysFreeString(itemStr);
& }1 L# [8 y Y' c' j- k 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??? z( l7 U3 P5 m) R: r0 R; 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????2 H: h" g P3 {, T. L) E7 }
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2.这是request的程序
6 ~; q8 `% c8 i// Request a value from Extend) m% T+ Z6 C4 @2 J
//- d* m. x% X9 A0 m1 V+ I# N
// Initialize the variant that will hold the BSTR. Set the variant's, \7 p- z3 | m
// type flag to indicate the fact that this variant holds a BSTR. Place the
3 s+ H3 a; p9 F, V/ [2 n. e3 [// 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");
+ F3 ?4 y! V5 {: } VariantInit(&requestVariant[0]);
1 @7 e/ U9 E' Z* J! D requestVariant[0].vt = VT_BSTR;& \- u+ E6 r# r/ m5 W$ I: L3 `
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");4 o6 U2 I5 v. D% \0 z1 w e
VariantInit(&requestVariant[1]); : w+ E a! f" v1 g; ^3 ?- ~1 X6 |! G
requestVariant[1].vt = VT_BSTR;
' U- e! g8 c% X8 _: B; l5 e/ m requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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1 C( K& g) ]) a dp2.rgvarg = requestVariant;' \" _ ]1 I2 M" a
dp2.cArgs = 2;
. T& s- p, R) ?# \5 p dp2.rgdispidNamedArgs = NULL;
7 d0 S+ ~3 n$ t* ?- f dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
7 a) U% C: ~) t8 L requestID,
0 A( \$ ~- ], e- v: w7 }* ~3 o IID_NULL,# u) l4 `2 J( i: b, F( ~* e4 m0 ]: k
LOCALE_SYSTEM_DEFAULT,8 b9 Y4 ~5 G% u+ P( Y
DISPATCH_METHOD,
! E4 d8 h8 f" ?% w* Y$ k9 }% ^ &dp2,
& V( k% k2 A4 R j, S1 I3 ]# Z &var,5 e) j# K: p. a2 J3 `( e& c
&ei,
3 J/ I8 _' d1 |6 k& P% { &uiErr);7 T" T& ^: w% C" u/ Q6 l6 `# O
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SysFreeString(topicStr);
$ ?8 S6 T2 P. y% D D D, z SysFreeString(itemStr);- z1 l7 a! ?: g' X F
请问该程序是获得extend里面的哪个值?) v2 r9 N; }- b& U. T) q& _
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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