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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:9 d8 O7 j7 S, p* \' z" N+ |
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
& e7 P `& q6 ~0 o7 b+ \# K7 A IID_NULL, // reserved
, K: x7 l) _4 R/ \2 r &Name, // Array of names to get IDs for/ c9 z" E ~5 w; F' U1 I
1, // # of names in the array7 a3 g2 h1 o. M3 a9 @) g+ u
LOCALE_SYSTEM_DEFAULT, // System locale
$ O" s2 ]; p; \+ o5 B) d &pokeID); // Array of IDs to fill on output) w5 |) b( G" X( n/ }; Y
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if (hr)8 w0 a3 c9 ~0 t$ ?: r, }
{
' V3 ^$ `: b. m Q) d MessageBox ("Get Poke Unsuccessful");
& H' o9 ?7 z. v, K5 f* N return;- p$ `) D i& E( ~3 c, E
}
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/**************************传递数据给extend**************************************/- c9 w, ~; y |% G, a
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);% s2 e% Y* z- b5 C+ r" K9 G
/ d% P/ G# n1 J9 Y valueStr = SysAllocString((WCHAR *) L"1232");
" q9 ~" T* V. ~4 ` VariantInit(&pokeVariant[0]); 6 f, ~5 [/ U0 ?$ S& o
pokeVariant[0].vt = VT_BSTR;
7 k5 o" V4 T' l pokeVariant[0].bstrVal = valueStr;
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0 X( k; Y' o; S2 z, [+ T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" u( t4 _8 @& @7 n# v4 A
VariantInit(&pokeVariant[1]);
K( e' r H0 ]/ s! H, { pokeVariant[1].vt = VT_BSTR;
* t* G# Y2 `& `$ @; b% x pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");$ \/ a( B* I6 u' E' e1 t
VariantInit(&pokeVariant[2]); ; c9 ~9 [7 I3 z1 b6 z* J
pokeVariant[2].vt = VT_BSTR;
" L, N5 d0 J3 K3 z- V* N pokeVariant[2].bstrVal = topicStr;
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* Y m8 L2 p! C; B5 R" Q. `// Set the DISPPARAMS structure that holds the variant.# I6 ?- J8 I) W5 R
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dp.rgvarg = pokeVariant;
5 D+ Q) \- n' l% F& Y G5 }7 t dp.cArgs = 3;0 E9 J# Z/ q: h
dp.rgdispidNamedArgs = NULL;6 t5 x' ]; O$ a, k
dp.cNamedArgs = 0;5 u J& o6 i% h2 X i& g# c, e
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// Call IDispatch::Invoke()( |. ?) W9 p1 M1 V8 Q
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hr = m_pDisp->Invoke(
- l' Q& _9 u$ o" v4 z pokeID,# g F6 f/ U, Y7 a1 k& d1 T+ y
IID_NULL,; C# a. k( Z& A" t4 p
LOCALE_SYSTEM_DEFAULT,
6 }7 _1 \- _( f+ X5 T+ b) Z/ G DISPATCH_METHOD,$ S+ a' A- r4 C
&dp,
: a& z+ q; V- ^% F NULL,- h3 Z0 C: \. U7 Y" L" ?
&ei,
( m5 R6 o+ Q$ ]2 q d4 }5 `. c; e &uiErr);
2 U( z8 \% z4 P
% c( D6 M, c# a2 e* S: ]# L SysFreeString(topicStr);
- h) E- X `$ }/ d$ I! j SysFreeString(itemStr);/ t4 `5 X$ O% }7 z* Z! ]# }
SysFreeString(valueStr);
6 _/ ]) D' B4 Q6 A
1 m4 K$ F3 h8 e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???/ g8 j3 X/ Z( H2 v
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
6 g) X: J- s" @/ o$ T// Request a value from Extend% L' L' \ o3 ^) {! `! M
//6 k9 x2 V! \7 R% n) M
// Initialize the variant that will hold the BSTR. Set the variant's5 F" `' C7 o+ P( Y$ B6 f* K' e$ C% _/ W: B
// type flag to indicate the fact that this variant holds a BSTR. Place the2 s& A0 i" d% V1 \7 @# v" X) n
// BSTR into the variant structure.9 v2 c) a7 s' e3 r! {8 b0 e0 o7 h
b3 j$ y2 l. Q requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);# ^6 v: y8 t! J: K
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 J5 W J" M; T) B
VariantInit(&requestVariant[0]);
; l+ @# V e8 a6 k requestVariant[0].vt = VT_BSTR;
. ?% Z/ u/ t& R- t- L: ~! @ requestVariant[0].bstrVal = itemStr;0 \+ @( A9 ~5 D2 k$ r7 c
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topicStr = SysAllocString((WCHAR *) L"system");
# B, F3 s; p& D/ i VariantInit(&requestVariant[1]);
# N: D- s3 k. v8 B1 s requestVariant[1].vt = VT_BSTR;
7 O- w8 H5 O9 x requestVariant[1].bstrVal = topicStr;$ |. Z+ R3 O: n$ g
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
9 d" p O+ z! H- @8 e% R dp2.cArgs = 2;: ]" e% r7 s ~& @9 E# \: @2 m( m
dp2.rgdispidNamedArgs = NULL;* f8 E3 Z# W3 Z9 \& N
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;& t9 _) H6 }9 R, e$ M- Z$ Q
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// Call IDispatch::Invoke()
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# q; V U1 C* h3 d4 ^* \ hr = m_pDisp->Invoke(
! J3 h+ D6 a) B- a/ e d. M requestID,
" a1 Z1 P: G8 L) P# `) D IID_NULL,( m9 K# g7 M+ ~7 u
LOCALE_SYSTEM_DEFAULT,3 a& F9 B' F8 S- [
DISPATCH_METHOD,
, e2 Z4 Q2 m O7 B9 y5 U &dp2,
3 p2 B G( ]& i- f m &var,9 N# j6 x. T0 L. q4 v
&ei,9 M/ y$ z# `! C" l
&uiErr); D9 I# @0 w- O
a8 n) D9 C$ p% k SysFreeString(topicStr);
3 }9 c& |& Q. _' I" p4 T SysFreeString(itemStr);) G0 d% H) u5 O7 {% d: g
请问该程序是获得extend里面的哪个值?
1 k' a. r0 l; Q3 _- |1 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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