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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:" _; c6 S# d/ z( ?$ A) L% O/ ~2 p9 w
Name = (WCHAR *) L"Poke";
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4 ^. B- d6 ?, U) B) u: Y2 c hr = m_pDisp->GetIDsOfNames (( J4 v; o1 Q6 K) M0 G' @8 v+ d
IID_NULL, // reserved
M, A/ N; Y4 ? N& |- X3 Q &Name, // Array of names to get IDs for8 n1 E3 }# d) V6 j$ ^5 V4 x
1, // # of names in the array5 {& s7 x1 W( L- c7 S" q( A$ e: X
LOCALE_SYSTEM_DEFAULT, // System locale/ c0 k I. m; L8 X! x$ B
&pokeID); // Array of IDs to fill on output
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if (hr)! x# c: P1 p7 t$ I! Y
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MessageBox ("Get Poke Unsuccessful");' X: ?1 U8 C5 Y: [2 T u& s+ e* m
return;
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( p1 S! X% J3 d/**************************传递数据给extend**************************************/% M. {0 B3 S! ]
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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) H4 v5 @# W( o+ x# h* U" {2 i1 A4 E valueStr = SysAllocString((WCHAR *) L"1232");8 l2 n! f7 Z) s! V: m$ _8 v
VariantInit(&pokeVariant[0]); 5 G3 Q& ]8 |7 m: x+ g
pokeVariant[0].vt = VT_BSTR;6 \8 l% M- o1 g2 N3 v. [; q
pokeVariant[0].bstrVal = valueStr;7 u, I: Y' w1 K# R
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 n; w% S& ]: H3 B6 } VariantInit(&pokeVariant[1]);
% b( i- |% x: S/ x( B* e pokeVariant[1].vt = VT_BSTR;
( G' n+ o; P0 B$ c9 I pokeVariant[1].bstrVal = itemStr;/ ~* p( K) @) ^) _+ Z/ A9 k3 T
) r% Y4 M0 ^% O/ ]+ v5 C) m5 A topicStr = SysAllocString((WCHAR *) L"system");
: @, `: M8 K/ v" X: Z0 I VariantInit(&pokeVariant[2]);
9 g0 x0 U( Z4 K0 U4 H( v6 k pokeVariant[2].vt = VT_BSTR;, ~& t6 |$ `7 ~# G! m: M
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.& b7 |4 { R% \' N- h5 X* @
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dp.rgvarg = pokeVariant;
! J9 B, v( E2 e dp.cArgs = 3;
: K- f- u5 X1 M- L4 a# u, Y" J dp.rgdispidNamedArgs = NULL;: i+ O9 c! n7 @3 i/ V5 C# ^, M
dp.cNamedArgs = 0;
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7 Y3 d8 [$ t3 r5 k( M s// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke($ o& W2 L$ T% l& ~
pokeID,
3 G8 N3 Q: y8 ]9 \/ N5 | IID_NULL,) n* C' d2 p2 {" W
LOCALE_SYSTEM_DEFAULT,
2 T$ T) M! O8 G1 s5 B: t DISPATCH_METHOD,
% W5 j g, u2 x7 I/ z N &dp,$ _3 g/ A, ]6 ?1 n) d
NULL,
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&uiErr); G L* x o2 E! d
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SysFreeString(topicStr);. Z2 ?0 ^, a$ W' e, l! h: M3 e0 Z, u
SysFreeString(itemStr);
1 |6 d {4 N9 U6 d' R+ O, p 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??? x/ g, o( d( ] \$ Q& w6 {- g
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9 m/ y5 [0 _) D& i c& M1 L: @. D
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's$ l. P9 `- Y7 m& _
// type flag to indicate the fact that this variant holds a BSTR. Place the
6 E5 J7 C. R, C7 g// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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2 m' Y8 a7 B- v& Q1 F s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 `% e, {- Y) P, S" t$ z VariantInit(&requestVariant[0]); ( _+ Q' }2 |& E0 _# c/ B
requestVariant[0].vt = VT_BSTR;0 B, I7 E. f) f9 H; Z+ K* Z
requestVariant[0].bstrVal = itemStr;$ I' H1 g3 _+ H- N8 I7 k
9 H0 e, t: d& K7 N topicStr = SysAllocString((WCHAR *) L"system");
9 g! t8 }" {- N2 L: L. C VariantInit(&requestVariant[1]); 0 C. J' y% n9 D0 ~
requestVariant[1].vt = VT_BSTR;1 ?* I8 A& W; J4 s/ w
requestVariant[1].bstrVal = topicStr;
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8 P5 U7 N5 \: b O; G$ L// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;/ e2 Q4 i: e7 h0 m/ [& m1 [. l4 N
dp2.cArgs = 2;
$ V1 q3 ^9 C1 v, ?! i+ N }+ Q dp2.rgdispidNamedArgs = NULL;/ F7 v1 q- Y* D7 ?; F d
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;& P: E: G t3 q
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
+ t# ^% ?) W$ N- M9 p$ l$ r requestID,( n1 I7 o- J$ `; M( y% U, t
IID_NULL,7 N2 A$ s8 d9 a
LOCALE_SYSTEM_DEFAULT,
; B# F+ C% n( _( A* c( w6 J$ t DISPATCH_METHOD,
" k) U. V/ R/ n# \* m &dp2,& K4 \( m% r: E0 i5 r5 K) M9 d9 c
&var,
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&uiErr);
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SysFreeString(topicStr);
; W+ j, O3 x! S. u7 r SysFreeString(itemStr);
, ]' o1 c+ T4 y; o# c1 g请问该程序是获得extend里面的哪个值?3 u- N/ r2 w- @6 i( U! ]
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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