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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:
( P$ y U7 g. TName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (5 ?- L, Q( G _; D) J
IID_NULL, // reserved. i% H3 N7 M9 J, J0 q
&Name, // Array of names to get IDs for
) r9 ]! k2 h/ h 1, // # of names in the array9 m' V3 x2 N/ g. A1 o+ Q
LOCALE_SYSTEM_DEFAULT, // System locale" ^6 E: X4 r* [0 [. T. A
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
: A# _2 `& l" N4 ~" r' _ return;0 _+ ~! |( P9 G v1 v$ _3 }
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6 k2 Z! g# _' e4 ~) a4 ?/**************************传递数据给extend**************************************/" s8 [* m4 h2 u! @$ e6 O- C
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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4 r6 Z" ` u) m5 F; c valueStr = SysAllocString((WCHAR *) L"1232");8 t& P- [6 F) D, p( e
VariantInit(&pokeVariant[0]); ; _+ w k' W" t! l. i, Y
pokeVariant[0].vt = VT_BSTR;
7 ? w! _: I% w6 {) J/ X' N pokeVariant[0].bstrVal = valueStr;
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2 g+ G1 w9 x/ q* }2 G itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. n. I& G0 t( b) J VariantInit(&pokeVariant[1]);
( B$ y& F5 H. f+ Y( D9 d2 ~ pokeVariant[1].vt = VT_BSTR;# `* _: T8 [! q5 ^* @' b
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
- e. O" H: t8 H. ^4 s* { VariantInit(&pokeVariant[2]); 6 A m4 G+ q8 X9 A! }2 d1 G
pokeVariant[2].vt = VT_BSTR;4 B( w/ {9 p9 t" m+ t$ C# T
pokeVariant[2].bstrVal = topicStr;7 I" |/ L7 Y) m7 C1 J$ u
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// Set the DISPPARAMS structure that holds the variant.2 Z0 \. i$ q# O; F& n% j2 }1 s8 W
7 D6 P( c( ?( y6 e& S' W& b5 u6 v dp.rgvarg = pokeVariant;
4 f6 g: C" k& X4 W+ w& Q dp.cArgs = 3;
2 ~* p& t/ Z/ m dp.rgdispidNamedArgs = NULL;2 `8 \, b% z5 S. ]: Z# g( g2 h
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(0 W6 |) j+ z0 j2 L
pokeID,
; m1 u/ c S6 F) ~# S# C9 ]# P7 L IID_NULL,2 y- [( C: ~1 g. a9 W0 i* c3 i
LOCALE_SYSTEM_DEFAULT,7 I$ ?* J2 N! t: h2 i1 K. e+ c
DISPATCH_METHOD,9 D5 A! W- ^# H3 R, s- [8 G+ V
&dp,
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&ei, b" U: J. ~- J& x/ G
&uiErr);" x( h c1 U+ e( v) P1 E# o
6 ~3 H6 m+ }( j$ s; R SysFreeString(topicStr);1 \8 I$ U( G/ ~- ^) Y
SysFreeString(itemStr);& y+ I$ U/ Q3 C, D: r
SysFreeString(valueStr);- S" _* L, T- z8 G! n4 N, |
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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???
- C( k8 I j! G6 V/ _% v9 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????1 {, x2 ^" a( B
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2.这是request的程序
3 S8 b! [* L% i8 [6 K- A' [// Request a value from Extend' h7 T7 {& A7 n! r
//) B q, S5 ~1 \+ u1 `& C
// Initialize the variant that will hold the BSTR. Set the variant's3 w4 z8 l3 F4 W
// type flag to indicate the fact that this variant holds a BSTR. Place the
) u5 ^5 ^5 ~" S" S' N// BSTR into the variant structure.
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: l4 K) Q. z0 ?) Q! J requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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* e3 `" q- E; @ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% h0 ?' A4 V. t4 i P
VariantInit(&requestVariant[0]); 4 v7 b4 V& U+ v, i
requestVariant[0].vt = VT_BSTR;
9 U L& W' Q9 R9 `9 I% X7 I1 N! W requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
0 r* W8 f3 R9 V& ]4 |2 n! v VariantInit(&requestVariant[1]); / A5 j9 B' I1 v7 r
requestVariant[1].vt = VT_BSTR;# P' ^2 L5 h# |( y6 ~/ {2 q
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.& V$ {( `* M) s6 k( S
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dp2.rgvarg = requestVariant;. V& {. c$ O4 \$ @5 D4 d
dp2.cArgs = 2;+ W& V% [5 k, @( O' l' d
dp2.rgdispidNamedArgs = NULL;
+ @; v' b: l6 W3 E% o' t dp2.cNamedArgs = 0;
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) _7 }9 Y1 z; l2 E* ^! M7 u' H var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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: k/ _4 V4 F \ hr = m_pDisp->Invoke(
' ^9 m3 K: G8 V2 ^3 Q6 e1 ` requestID,8 \. C8 F9 W' |
IID_NULL,
+ a' r1 q. Z( t1 E t% n {0 M LOCALE_SYSTEM_DEFAULT,
' p% J) _% E7 p DISPATCH_METHOD,- Z2 A! w+ p6 s- e4 k8 T" u$ m
&dp2,
, k; u! j+ S( X* y M &var,
1 g8 j: H$ X( { &ei,
9 K* `5 M; K& x: m% X' r &uiErr);
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* C3 t% L6 w b+ `, K SysFreeString(topicStr);! O {; u8 J' M: c, \
SysFreeString(itemStr);
3 i7 p: C8 L$ {请问该程序是获得extend里面的哪个值?
3 g. ~" f% R9 B& L! 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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