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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:
: E& M5 m7 I! i/ eName = (WCHAR *) L"Poke";
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7 {# L- o. {) H5 c" m hr = m_pDisp->GetIDsOfNames (! b( H+ n* Q( l- C) A4 r7 R& V6 j
IID_NULL, // reserved
* J6 i; j! l' i) c# x &Name, // Array of names to get IDs for
; w$ b8 |! N) Q 1, // # of names in the array/ U0 c, z2 w2 D. K$ X
LOCALE_SYSTEM_DEFAULT, // System locale
# g8 }' e, M7 V( c7 |7 l &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
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}
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/**************************传递数据给extend**************************************// H6 t9 f2 b- g9 t
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 o8 W7 b$ E" J( P0 b& y: b+ h
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valueStr = SysAllocString((WCHAR *) L"1232");
' H4 h9 z( V4 R- _ e1 V/ h VariantInit(&pokeVariant[0]); ) H& Z9 d; U3 S% r4 V
pokeVariant[0].vt = VT_BSTR;8 |; I; X1 \+ a! h" C ^5 N
pokeVariant[0].bstrVal = valueStr;
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- w7 P& x/ E& q+ g0 [6 E! \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 e& x% S1 `8 J- R7 m5 m6 o VariantInit(&pokeVariant[1]); + F! [2 g/ D- A. W& G5 c
pokeVariant[1].vt = VT_BSTR;1 D5 ~' ]* {6 t- T+ I
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");/ @, w3 p$ D4 @) o
VariantInit(&pokeVariant[2]);
! i8 p( t2 W: X# F' f pokeVariant[2].vt = VT_BSTR;
/ |: ^; T `' N6 Y7 j; o pokeVariant[2].bstrVal = topicStr;- d6 ?( k# j$ P! |) \! i/ C7 x
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;$ I6 {4 f) i P6 G, O1 M: {5 [
dp.cArgs = 3;6 B1 v/ S, q. T! q
dp.rgdispidNamedArgs = NULL;
! |" ^' q5 h+ @7 ?3 u" M dp.cNamedArgs = 0;$ {4 C7 B, o/ A1 @) ?6 X9 `; M/ j* c1 s
+ q' q, Y/ F. i* H8 B// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke() R- S" ]7 K7 t# @3 w% H6 n4 F6 @$ ]
pokeID,
0 b5 ]3 `/ G( M$ u( D0 h/ k1 m IID_NULL,& l! N0 {) J( F" O# t
LOCALE_SYSTEM_DEFAULT,& n8 s& c8 b4 h; o, d
DISPATCH_METHOD,
( J; P8 Z) ^7 h, P. w &dp,
4 k+ _) v2 c+ m7 Y NULL,
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&uiErr);
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SysFreeString(topicStr);
0 B* n4 N7 K* [. h$ K4 B SysFreeString(itemStr);. e' s+ B" o/ n# C
SysFreeString(valueStr);
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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???7 Z: p, \6 k5 X6 _' 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????" Q& h" b! L. G6 r- u
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2.这是request的程序9 ~: w; [4 s$ A( E% w8 a5 c
// Request a value from Extend$ C/ `& X( @4 L+ ]6 a9 G1 Y
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// Initialize the variant that will hold the BSTR. Set the variant's1 a4 ?. }) X9 k' W/ q
// type flag to indicate the fact that this variant holds a BSTR. Place the+ c* G h/ W% G. \ Q: [
// BSTR into the variant structure.
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2 I5 [% O& Y5 u, ] requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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5 U: g' B6 P X. D' u" u itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ Y/ j& I9 f. V( x; Q) f& u
VariantInit(&requestVariant[0]); % @# d2 J% P1 `; O5 H7 ^: W. Q
requestVariant[0].vt = VT_BSTR;: S) h6 b" h. y* ^; Q
requestVariant[0].bstrVal = itemStr;* i* E; x& h2 }3 x5 K; ~
; p6 Z( ^) q% X, e# w& z4 E5 U L topicStr = SysAllocString((WCHAR *) L"system");; e! `! q2 M* q8 c9 t( t
VariantInit(&requestVariant[1]);
! z" ?8 [$ r4 m( R: g8 N9 J requestVariant[1].vt = VT_BSTR;; E' H* Y, n2 b2 h, d. s% i w
requestVariant[1].bstrVal = topicStr;
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( N8 T0 H6 V4 E8 }% q( q// Set the DISPPARAMS structure that holds the variant.
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2 ?* g- S( U& H- i5 f' P dp2.rgvarg = requestVariant;
9 e0 S @& G$ _ dp2.cArgs = 2;5 {9 Q3 U! M% d& ~) w9 c
dp2.rgdispidNamedArgs = NULL;
" x/ D' d% v/ n$ c dp2.cNamedArgs = 0;
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. {# P* h2 i6 g" E var.vt = VT_EMPTY;
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0 ]9 J7 M& V! Q1 V B// Call IDispatch::Invoke()
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9 ?7 l4 J/ ?/ |) ^6 J: R. Q+ y hr = m_pDisp->Invoke(5 r8 d! X8 `# ]! p M
requestID," R+ X2 s, k0 G, n# I ?2 o
IID_NULL,! ~' P& Q- f8 K8 |
LOCALE_SYSTEM_DEFAULT,
% k. W1 k% o/ Y; }4 w9 L) x8 w' D DISPATCH_METHOD,
0 k. l0 U p& v/ |1 {* N7 M &dp2,
2 v* s0 B& d5 L2 V &var,# o4 p3 ?$ R5 [# I5 O+ m
&ei, n! g( K$ q: Z6 X) X
&uiErr);( k9 e" ]" A* W& u. Q
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SysFreeString(topicStr);) `& s7 y* F; b; _+ [' _
SysFreeString(itemStr);
1 T4 Z5 B* w" r- c7 Z请问该程序是获得extend里面的哪个值?& u# D/ C8 w: M7 h1 E
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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