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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:
% D! k% [; _- `2 k. a" b9 u DName = (WCHAR *) L"Poke";
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# }; V6 S, }2 B8 M, t8 Z hr = m_pDisp->GetIDsOfNames (
7 w4 ?& p) F7 ^ IID_NULL, // reserved) G2 `# H& C3 A+ U5 J
&Name, // Array of names to get IDs for
2 v& h( n7 j" b+ e _% m, D4 H& T+ O 1, // # of names in the array
1 c+ s+ G: i5 l3 n5 f! w LOCALE_SYSTEM_DEFAULT, // System locale' y' Z6 `# n# a. I+ G0 X c" W
&pokeID); // Array of IDs to fill on output
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" @! l! f2 H' N$ q! T) U if (hr)5 z- a! g6 @" g; {' y2 A& |5 a
{
! q r. _1 V) ^" L/ H8 B) w MessageBox ("Get Poke Unsuccessful");' [! B. |& y: C+ j o$ U, ~
return;7 c |( Q( ~9 G: O
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/**************************传递数据给extend**************************************/
) C5 I! V& z/ P6 _ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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( A5 y) L" ]/ I0 l, k& G valueStr = SysAllocString((WCHAR *) L"1232");
+ s5 ^0 o0 m* A1 {' a# \ VariantInit(&pokeVariant[0]); 3 I5 ?2 U9 r1 T! d/ ]7 c1 H
pokeVariant[0].vt = VT_BSTR;! w- R6 ]) V5 M" T, s, t4 ^9 D$ J
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 Y" b4 c ]; E# @% p1 j
VariantInit(&pokeVariant[1]);
5 J- d8 E/ E% _) Q0 O# p pokeVariant[1].vt = VT_BSTR;
- e q& \5 [4 d" P! H! ] pokeVariant[1].bstrVal = itemStr;
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8 D! F& N9 E3 i& Z/ Z, Y& ?! g topicStr = SysAllocString((WCHAR *) L"system");
2 O- y. k' D6 J. E6 d VariantInit(&pokeVariant[2]);
. w, D7 z/ n" g3 K5 M, w$ u, `# x pokeVariant[2].vt = VT_BSTR;! W/ R2 H7 h: J
pokeVariant[2].bstrVal = topicStr;$ j! r* g* r7 Y1 d+ Q
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// Set the DISPPARAMS structure that holds the variant.0 _7 E6 ~0 [$ {9 Q
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dp.rgvarg = pokeVariant;+ q$ d2 V& f8 e" P
dp.cArgs = 3;2 T3 O5 i7 H# U; s* {
dp.rgdispidNamedArgs = NULL;- G! h& D" Q5 D: v1 c: a7 ]0 b
dp.cNamedArgs = 0;6 |9 Z7 r9 s3 z: S
) x! E; D- o: O1 \- C; y. v/ n3 Q// Call IDispatch::Invoke()0 a# d% H- i2 P
/ G8 r9 l7 `0 n! r hr = m_pDisp->Invoke(* P" y2 G9 ] ]9 r" n% Q- b) a
pokeID,5 |. {+ D, C/ ~
IID_NULL,; A) \% A0 b( c3 x7 p+ J6 t+ e8 E
LOCALE_SYSTEM_DEFAULT,
) x1 W8 x1 e- l; {- ~ DISPATCH_METHOD,! z) r) g8 R' s0 |$ _: h
&dp,
7 _$ n0 p8 ^0 p1 x1 | NULL,
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&uiErr);: n0 h" V& q) K, S! b6 ]8 a# B
" H+ \& j0 [$ \4 A SysFreeString(topicStr);
! c9 Y, P8 h. N2 b& v5 C3 J SysFreeString(itemStr);. U7 N/ `( \' Q( N
SysFreeString(valueStr);
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" c: f5 n' @, o+ C: R0 ?2 M5 m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???
7 a6 }" v/ U1 R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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+ g7 B- t# k8 z7 J0 H2.这是request的程序( p( C2 z9 i) ?# K
// Request a value from Extend
$ g2 S- y! `4 P2 N% J5 o& m& W//
`/ b* W& j3 p. N% }9 `: \// Initialize the variant that will hold the BSTR. Set the variant's
% O& W2 N ^6 y// type flag to indicate the fact that this variant holds a BSTR. Place the) \1 c! Q, f( M( m
// BSTR into the variant structure.7 [; a9 _1 A7 g" o; `
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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" x% }( t( ] C! J# ]+ H1 f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 l }0 V; f. Q$ q$ }/ a1 A2 ^ F VariantInit(&requestVariant[0]);
8 a+ l& T& h( J2 E/ y O requestVariant[0].vt = VT_BSTR;# y6 X. a/ @1 k2 V8 Y
requestVariant[0].bstrVal = itemStr;& A$ F a1 M5 [
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topicStr = SysAllocString((WCHAR *) L"system");. F! r3 g0 s9 ~$ n
VariantInit(&requestVariant[1]);
0 p8 w( E% P* a. A- Z2 ` requestVariant[1].vt = VT_BSTR;
: f* j9 c4 l. w requestVariant[1].bstrVal = topicStr;3 T. @; ~* @- s3 n G4 p: k9 r
# {# E3 `, n) z' B9 H- s8 n/ C+ `// Set the DISPPARAMS structure that holds the variant.
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4 U: u/ N5 ~+ C+ T dp2.rgvarg = requestVariant;
+ W9 n, @0 V9 S, \: K# q, d dp2.cArgs = 2;
4 {8 `5 `5 U s3 Z+ \; T dp2.rgdispidNamedArgs = NULL;. s$ m! w7 ~, a+ z
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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1 |1 V) K$ I! w' q5 T, p1 c// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(: K; G8 O6 J+ [ l" G" r& Q
requestID,# f/ `' f1 e t% C8 O/ L7 v5 i
IID_NULL,
' c; m' j* U% K9 i" ^; U LOCALE_SYSTEM_DEFAULT,
/ {3 O R5 `4 w8 Y DISPATCH_METHOD,9 A( _9 e$ U; c4 p/ D
&dp2,
9 _/ L. \4 H& F8 K' h7 j) x &var,
7 x) h2 z3 b+ A2 l &ei,4 S+ R8 [: M- s# Q1 @% a
&uiErr);7 e1 Z& z7 r+ b7 d$ O) A% L" h( L
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SysFreeString(topicStr);8 A; Z: F+ r; ?8 D, o C# n
SysFreeString(itemStr);
# r# D% @2 F9 y& s: }请问该程序是获得extend里面的哪个值?
# a \: t2 Q1 e# M5 v; O$ s0 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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