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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:
3 t- d4 |& l) Q$ d. S( D9 y2 d( \Name = (WCHAR *) L"Poke";: Q4 @ g( i& v7 q, [$ E
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hr = m_pDisp->GetIDsOfNames (
4 a" J0 a4 y+ W4 _ IID_NULL, // reserved
5 } P1 Q5 N2 B# n Z& r! W$ |7 C) r &Name, // Array of names to get IDs for. q0 ?$ \! y; f8 u$ W1 K; g
1, // # of names in the array
3 J& \7 X) j! P- A( R LOCALE_SYSTEM_DEFAULT, // System locale( L( P& s0 Z b8 r( x8 O5 h
&pokeID); // Array of IDs to fill on output1 z2 t1 o, T* D" U3 f3 ?
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if (hr)
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MessageBox ("Get Poke Unsuccessful");# L2 R+ y. k7 {
return;
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/**************************传递数据给extend**************************************/
; \. ^3 M; C4 L# n4 t0 W4 I pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 m; n1 K9 d9 p' K; o2 \1 ?' z
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valueStr = SysAllocString((WCHAR *) L"1232");
! \$ T$ X" p5 m; L6 b VariantInit(&pokeVariant[0]);
) Y5 {9 \9 A( P0 G2 v* M1 c3 M' i8 q pokeVariant[0].vt = VT_BSTR;+ [2 _# Y& \: {3 A% y
pokeVariant[0].bstrVal = valueStr;
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0 y/ s0 i/ f6 D+ T7 S: R" u' ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 S2 |/ {# S4 b9 T6 d6 J3 ]& ` VariantInit(&pokeVariant[1]);
# m# [% t% l3 i4 \# t pokeVariant[1].vt = VT_BSTR;
4 g9 \3 _0 x+ p0 [5 j# L7 N. @ pokeVariant[1].bstrVal = itemStr;
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2 r$ @0 ]- U% x- n' [" m topicStr = SysAllocString((WCHAR *) L"system");
" y( A$ W8 k$ F4 a" T VariantInit(&pokeVariant[2]); 6 k3 V: P( z7 c$ B
pokeVariant[2].vt = VT_BSTR;
5 U% ~8 l' Q% T4 K& i0 Q+ { pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.# Y5 x5 s9 z: v9 M8 S" @0 A
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dp.rgvarg = pokeVariant;7 R/ K% f6 s) O1 T2 s8 P
dp.cArgs = 3;! c# k7 a/ g1 e$ l! m& ^
dp.rgdispidNamedArgs = NULL;6 T% t' Z5 N2 z) Q1 v. Y/ p
dp.cNamedArgs = 0;. ]/ f N7 f; ]" K% E6 x
0 g) {# N+ W! O' a// Call IDispatch::Invoke()4 Y2 O8 n4 \; D
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hr = m_pDisp->Invoke(2 n+ w, j" H- o
pokeID,
) \( l: V3 @, m( _, y3 H9 q IID_NULL,
5 ~5 Y: @. Z& t$ A8 _( g8 O LOCALE_SYSTEM_DEFAULT,- ]% a5 E4 n! {) ?) T5 a% R, }
DISPATCH_METHOD,
* @! e. b: a4 J v4 O, o% I &dp,5 @: q4 |' b4 i3 a7 n
NULL,
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0 e; a8 {4 X# N" |' [/ i &uiErr);
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& H. K( |5 e* U6 \* q, C SysFreeString(topicStr);1 ~( `' M2 T# Z3 K N
SysFreeString(itemStr);
; C b! e9 H! m9 Y; E$ W- F SysFreeString(valueStr);
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, h3 S$ e- M1 |% F9 z3 W6 T0 x0 @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???
' g# Q* R% L# E% _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????, L5 v ?/ ]6 O. N& L Y
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2.这是request的程序
( @2 K# p9 P/ a8 G: n- `// Request a value from Extend3 e& Y5 |' E0 G: U# a3 [$ P, Y
//
- l3 p/ ?3 i6 a' u// Initialize the variant that will hold the BSTR. Set the variant's
4 q+ I6 W0 ^3 e- u$ z) C; q. N// type flag to indicate the fact that this variant holds a BSTR. Place the
$ {8 n$ R% R. Q// BSTR into the variant structure.
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6 x. s/ f0 _+ q) X9 F7 E requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); H8 s; R' M( {9 w5 ~
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); z9 W, M+ L$ `* `/ ?6 _
VariantInit(&requestVariant[0]); : K+ W( W# u3 F8 b) o
requestVariant[0].vt = VT_BSTR;
9 b4 p$ c3 `: p3 E) p requestVariant[0].bstrVal = itemStr;; B5 }. y( R5 |0 j- U* \
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topicStr = SysAllocString((WCHAR *) L"system");
. [7 `7 O5 G8 _+ ]+ I7 } VariantInit(&requestVariant[1]);
& a) A2 m- n: B7 b- x% G requestVariant[1].vt = VT_BSTR;/ D; x5 ~+ _4 `" ~
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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; {5 _+ x- E; A5 a7 s, ?. {7 e: P9 t dp2.rgvarg = requestVariant;, N) Y) B. }1 J
dp2.cArgs = 2;
5 o A3 N* @' O! L1 n* ~ dp2.rgdispidNamedArgs = NULL;
2 f) k2 r$ X! I& }4 v: v" g) M dp2.cNamedArgs = 0;$ s) |+ \' C6 |9 P6 M4 C* p
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var.vt = VT_EMPTY;; \( [+ h" P0 u7 h+ b* P4 J
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// Call IDispatch::Invoke()1 d, _+ ~9 Z, }6 s8 u+ Q7 x7 o1 o
0 {8 o5 m) R4 I9 E hr = m_pDisp->Invoke(7 U7 B1 V" b$ y
requestID,; W$ ]! F' s" J7 w. }# S* {' h
IID_NULL,
c+ r2 U3 K: l( a LOCALE_SYSTEM_DEFAULT,
3 H4 W* I" i8 ^3 f n DISPATCH_METHOD,# i9 q! U" D6 J; e
&dp2,1 y8 Q- m7 \ a! d' f" S- D
&var,
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&uiErr);
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SysFreeString(topicStr);
i0 S1 {0 ]; a SysFreeString(itemStr);8 n* {# R8 q8 g( f. V6 K1 Z
请问该程序是获得extend里面的哪个值?
& }6 B6 E# @. @# V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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