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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# g' I6 U) Y3 U' e6 Q1 E' _Name = (WCHAR *) L"Poke";3 w8 d k) R( A+ Z
u( s! f4 y4 Q5 ^; L, i hr = m_pDisp->GetIDsOfNames (6 k( T4 N! O& V! k _# q
IID_NULL, // reserved
; g7 u4 s2 V1 B. C7 U3 _* J &Name, // Array of names to get IDs for
9 _% t; x) C& g4 ^9 {1 o9 N 1, // # of names in the array, N/ c4 R K L/ ~- j
LOCALE_SYSTEM_DEFAULT, // System locale9 i, Q( w" c# x' ^! N; [. j
&pokeID); // Array of IDs to fill on output4 H7 K- t z( Y, ], D/ p$ x
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if (hr)" O# a$ l, K" E& T" X* @
{
: V- c1 _+ V9 r! L0 F. ~; l3 _0 n MessageBox ("Get Poke Unsuccessful");6 ^9 M. U7 ?+ \. A" r7 s
return;, ]4 Z& Z- `. g+ `# @( M8 U- ?
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/**************************传递数据给extend**************************************/
$ w R3 Q, q* ?$ N! s, V' ~( J& D$ e pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 \6 Q8 \% @9 F# |6 Q- \
) z0 L8 |5 L2 b. U2 l- P6 F( f valueStr = SysAllocString((WCHAR *) L"1232");4 D: {, I4 G0 A3 a5 D7 h7 ~! S, Q
VariantInit(&pokeVariant[0]); z! b9 ^+ D9 u: y3 \+ \! p
pokeVariant[0].vt = VT_BSTR;5 r6 v" V' ]0 ^
pokeVariant[0].bstrVal = valueStr;/ m! j8 [& @7 g+ @+ e
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* ?. A' q ]1 E' Z
VariantInit(&pokeVariant[1]);
1 `- P' v+ r. h7 r* w* y/ E pokeVariant[1].vt = VT_BSTR;. I, R) r9 k0 I+ f4 x
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
$ t0 }! Z0 [/ k7 J7 a4 X VariantInit(&pokeVariant[2]);
- b0 ~" Z8 U! T2 G$ G( F pokeVariant[2].vt = VT_BSTR;- [: R2 S: ?' j/ h ?# ]8 y. S0 @
pokeVariant[2].bstrVal = topicStr;
, u F/ A* k& I$ ?+ w0 @) g% {3 x
( Q3 G) k6 ?3 a9 _- I: Q// Set the DISPPARAMS structure that holds the variant.+ g D* `0 g$ F" y6 K" G. Q
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dp.rgvarg = pokeVariant;* | }, o5 d$ ]
dp.cArgs = 3;
9 |+ k4 b$ G7 k* ]" w dp.rgdispidNamedArgs = NULL;
9 ]) _9 a8 C i X- J: [ d dp.cNamedArgs = 0;2 g6 f* t7 y& D/ ]
0 \/ h1 Q' O% V! z' t- v+ s// Call IDispatch::Invoke()
2 H. Y6 b i$ f6 j: d- ?) B* T8 l8 V
hr = m_pDisp->Invoke(
8 @, z! v$ P: O9 I, ] pokeID,
3 E% V4 A) ^3 R: a IID_NULL,* b3 y9 t& a6 e" i `
LOCALE_SYSTEM_DEFAULT,
5 o$ i5 Z9 l8 m" a# [+ e& b DISPATCH_METHOD,: ]7 C8 O H5 m/ e
&dp,& W: o# M9 E' ?" D- ]# m, F/ m
NULL,) l" D; a; `( T, v. |
&ei,) E" H3 H7 z; d- h/ Y
&uiErr);
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SysFreeString(topicStr);
$ @2 y1 s# t* P/ s( r+ s1 ` SysFreeString(itemStr);
: O$ a* m. p+ R2 m4 x SysFreeString(valueStr);
+ e" r5 n% V% z. d0 K# t0 r! U) h0 Y/ v7 u6 m$ i! 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???+ E+ P$ n: S2 i: T1 u' 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????- W% q0 U! N8 h
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2.这是request的程序
& B R: L5 g4 ~0 x% P/ h. {# p& i// Request a value from Extend+ ^! f, C, z* ^: [
//
$ k! ^5 x) W7 ^3 [// Initialize the variant that will hold the BSTR. Set the variant's# [0 H# L9 d( d+ Y% u
// type flag to indicate the fact that this variant holds a BSTR. Place the& _& E, U8 s+ @4 E) H0 G" I3 y
// BSTR into the variant structure.+ h Y+ |3 \( s5 D4 \4 T5 ?; |$ t
g' @4 J5 g6 ?. [, J1 A7 s8 h& z requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 x& M \' N6 @& |. N3 H8 i" [
5 X9 _# v% l6 z, c0 a itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& \3 J, V: D6 W* [5 k9 m% A VariantInit(&requestVariant[0]); $ P- `, I2 b0 n
requestVariant[0].vt = VT_BSTR;
e0 [2 S9 K' D1 U$ C4 C/ s* \3 B! b) G requestVariant[0].bstrVal = itemStr;
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4 [1 b1 v. p K% M- v topicStr = SysAllocString((WCHAR *) L"system");( Z; f7 K7 z b O3 t$ Y
VariantInit(&requestVariant[1]); 0 U' Z4 `% ?: o6 d
requestVariant[1].vt = VT_BSTR;3 m8 j4 f: U6 P
requestVariant[1].bstrVal = topicStr;( b, j% O) g$ R8 y2 f3 |9 `* Q: L
3 \1 O4 B- Z' u8 z( l// Set the DISPPARAMS structure that holds the variant.! M4 C. _( D8 _
: s* \' V% N1 [ dp2.rgvarg = requestVariant;4 a5 W. U+ G/ {- I
dp2.cArgs = 2;6 Y. d, o3 g4 m7 \, s
dp2.rgdispidNamedArgs = NULL; a/ {$ D& e2 X x+ p& @7 O
dp2.cNamedArgs = 0;
$ N# g$ [( O/ y6 _; Y3 R, `0 v# O# ^1 a, y5 @/ c) X3 m* y
var.vt = VT_EMPTY;; S# g- T% a, n1 q& W
1 z7 p# _7 M# | H// Call IDispatch::Invoke()
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, P1 a7 a0 `% h( G: v hr = m_pDisp->Invoke(
' p; E, @0 }: K# { requestID,
, I+ M" b, v l B, V& ]- X IID_NULL,( t0 |1 |/ m7 g# m1 K- m+ n" O0 W$ o
LOCALE_SYSTEM_DEFAULT,
( r$ g* W& y6 F( |! W DISPATCH_METHOD,% W" P' I5 ?# l8 D. d6 h6 q0 T
&dp2,9 T4 Y# H0 N* P( A+ `; i3 E
&var,
# b& m% b5 D! A$ y! j @* e &ei,
& E4 [0 @. R" A$ U$ ^ &uiErr);6 Y0 e: H8 \9 |; S
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SysFreeString(topicStr);* s. \6 n' S- d
SysFreeString(itemStr);
# h0 F5 @% G; P7 C! f请问该程序是获得extend里面的哪个值?
, D! n3 r: C2 b. [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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