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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 l- `. ^, B' X5 K! o. F
Name = (WCHAR *) L"Poke";
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2 d: e& b% G1 ]4 n hr = m_pDisp->GetIDsOfNames (* {6 F+ i- J! M7 D6 a1 ?6 v( y
IID_NULL, // reserved J1 `6 ?8 _/ n+ i& m1 t0 c* q
&Name, // Array of names to get IDs for
8 i5 f4 d" ~; } 1, // # of names in the array! r: t W2 O$ L5 n
LOCALE_SYSTEM_DEFAULT, // System locale% L, R7 h; U2 H, _
&pokeID); // Array of IDs to fill on output
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. d& m G4 ?8 G) J& E6 V3 W if (hr)6 I7 \+ v5 q: |
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MessageBox ("Get Poke Unsuccessful");, P. u% V) }' F8 `1 m R* e
return;1 _4 Z4 z) N5 K# H
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/**************************传递数据给extend**************************************/: B$ [$ M9 I+ X5 K1 A
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);; h/ E, ^9 o! Y
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valueStr = SysAllocString((WCHAR *) L"1232");
: B+ X3 u( b5 |6 v VariantInit(&pokeVariant[0]); # ]7 \; \8 f" Q( u4 R1 u
pokeVariant[0].vt = VT_BSTR;( ]# T8 Q- f3 E* W
pokeVariant[0].bstrVal = valueStr;
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6 c4 N) h1 h: @* Q6 V$ {! j$ H1 u itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& c5 y$ v9 t% o# d5 k VariantInit(&pokeVariant[1]); 8 Z& t2 r% i2 k0 j2 N" V( m8 [
pokeVariant[1].vt = VT_BSTR;
" C2 v, V+ y! L. e! T5 I& ]: d pokeVariant[1].bstrVal = itemStr;7 p3 k, d r9 O- m" A" G2 G3 l
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topicStr = SysAllocString((WCHAR *) L"system");
/ R/ d0 i. s r2 {% s# { VariantInit(&pokeVariant[2]);
0 d: t) \3 W: C! q R' U* i pokeVariant[2].vt = VT_BSTR;
7 M# y. x% j$ T3 L; f pokeVariant[2].bstrVal = topicStr;
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" j& s: j' k7 R0 _" C, k4 t4 T// Set the DISPPARAMS structure that holds the variant.5 E' m b! s& s: D7 a6 U
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dp.rgvarg = pokeVariant;
2 ]7 U% r# @# |, J+ u dp.cArgs = 3;
1 _( `7 J& v( {& z: X. P& }7 a, m' X dp.rgdispidNamedArgs = NULL;
' k( t/ c$ j7 A' l( q; V$ H dp.cNamedArgs = 0;: ^" n* M1 l! z" \* i
$ F6 E3 A9 Q6 B// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(* `# {2 |, I, F
pokeID,
d9 m5 q! T, Q, `: a6 y9 A IID_NULL,
4 A$ M3 Q1 }0 }) M LOCALE_SYSTEM_DEFAULT,) R! M, C) v9 ?" c% ]
DISPATCH_METHOD,
: u2 I" ]+ T) E6 j# x) U4 b &dp,
+ l7 W0 h: f- W NULL,6 K6 k/ f- x: j/ }' y0 o0 l$ `/ x3 {
&ei,
* L+ S( Q+ R6 G& W% ^6 c+ E1 a9 d &uiErr);0 z, y" G2 B$ G+ [
5 G5 o/ }3 f/ [$ _4 L* c$ Q7 i SysFreeString(topicStr);( G: U3 J! p5 H; C+ r
SysFreeString(itemStr);" y- p/ G: o* D: g {' D) B
SysFreeString(valueStr);1 _, J; C. \- f3 Z: |
9 ?9 X0 [* m; q L; y% Y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???
+ t: _8 L$ B* I6 L4 c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???? A* m6 A& K2 |) I+ V6 F- J/ k
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2.这是request的程序
: x5 x8 X4 P+ h' s8 U( d$ \. |( f5 y// Request a value from Extend9 O! U& p5 t5 |7 Z" r
//% j% R9 } ]) g- Y$ z0 U! B
// Initialize the variant that will hold the BSTR. Set the variant's
1 a& I4 d, @5 ?// type flag to indicate the fact that this variant holds a BSTR. Place the
8 b r, f* [" H9 P/ i5 {4 `. C// 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");8 {! h5 Q" L# X" ~9 }* M
VariantInit(&requestVariant[0]);
/ M: L0 J) Z6 o! l- e& H. k requestVariant[0].vt = VT_BSTR;
6 U* V# L$ [1 N# S0 o: _; _ requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
* O3 P7 M) D" V% H% x VariantInit(&requestVariant[1]);
( d; N, [- ]# l- x* o) j requestVariant[1].vt = VT_BSTR;
: u& W4 u/ I# A6 L, c requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;% a( W% v' j- R& |7 Z8 y1 J
dp2.cArgs = 2;! N$ @+ e( j, |' x
dp2.rgdispidNamedArgs = NULL;2 X2 V6 ^0 K% r7 j! v
dp2.cNamedArgs = 0;& O" s& @' H. q: W9 W3 V' {
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var.vt = VT_EMPTY;0 A9 d, v$ ]4 W% C Q) E
) J/ ^- I0 H. l, O3 J// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(( C3 J k( {9 C0 d0 ~4 I# D
requestID,
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LOCALE_SYSTEM_DEFAULT,
9 F5 D$ K' m* S* O. L6 Q- g DISPATCH_METHOD,) z1 |8 y6 _' r
&dp2," @" |& ]1 Z. v# t+ _8 _
&var,6 w1 H" N( i, e0 }! {, g
&ei,
" x* W7 C- N5 j &uiErr);
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SysFreeString(topicStr);
) D/ Q0 H# t* ~% w SysFreeString(itemStr);/ n! ?6 |) A6 P
请问该程序是获得extend里面的哪个值?. u7 ]/ k1 S1 j2 S, P$ j( {" C
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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