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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:0 X x/ E N0 o4 ^. c
Name = (WCHAR *) L"Poke";3 h8 e# z$ k* V- L
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hr = m_pDisp->GetIDsOfNames (
5 K. q* b# R. y IID_NULL, // reserved V0 U& Z( T5 X) p
&Name, // Array of names to get IDs for
& I+ O! }* W% [- b V4 j 1, // # of names in the array/ m" C( @, F; ` f
LOCALE_SYSTEM_DEFAULT, // System locale0 K' S% |' O$ Z+ ~4 [+ E
&pokeID); // Array of IDs to fill on output- S) d# t& f% e6 X: [
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if (hr)
/ J1 j7 |6 q1 J {
1 U4 N0 V; u( L7 R" q MessageBox ("Get Poke Unsuccessful");; J; Q' Z- N- [4 B# F9 y, {
return;, x2 N8 S5 |* f1 ?7 a3 m
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/**************************传递数据给extend**************************************/% z6 K2 _, c- O! M; f3 L5 k0 F
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);% s+ j* o& e$ m! x9 N9 U2 x
) y4 P9 u) }; }+ l) D valueStr = SysAllocString((WCHAR *) L"1232");0 m& f, q( y( K4 r& B# q7 Y& u
VariantInit(&pokeVariant[0]);
, L5 n+ s& _# a0 n) K. d- q4 r pokeVariant[0].vt = VT_BSTR;
3 y, S; l! M' B+ W pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 p. L$ H; i( h! p
VariantInit(&pokeVariant[1]); 8 x4 B+ {; g+ X
pokeVariant[1].vt = VT_BSTR;( M1 w6 F' C0 S; `/ B
pokeVariant[1].bstrVal = itemStr;5 Z. L. p+ B# a, g4 _1 \3 h
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topicStr = SysAllocString((WCHAR *) L"system");
. M( W# v7 l8 }5 w' g2 o VariantInit(&pokeVariant[2]);
: K8 l" Q& X- P" C7 L0 U, ] H pokeVariant[2].vt = VT_BSTR;$ o! M8 Y$ U) c
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
* L" q+ t* d; R" w. h& p; B dp.cArgs = 3;0 O) r% L l8 o: U6 v _
dp.rgdispidNamedArgs = NULL;0 ~6 a( u+ ?: G! `7 m
dp.cNamedArgs = 0;
: Q* h; e) {4 G- O' q0 ?; T4 P" ~9 E
* l0 e) s7 g2 q// Call IDispatch::Invoke()2 ^# W3 s8 f" `& k
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hr = m_pDisp->Invoke(8 h7 N, [. ^2 U5 j% [+ V
pokeID,
( Y6 |7 O# t3 |: W IID_NULL,
s+ H, H' H/ n6 v0 I2 d& k LOCALE_SYSTEM_DEFAULT,' O% { I. F c+ s* S! Q
DISPATCH_METHOD,& H$ d4 f+ N [+ @
&dp,8 x) {9 k, a5 B" z
NULL,+ n4 r" R% \+ y+ f' U# a
&ei,* j4 U2 J( z4 `& }. ~
&uiErr);9 a$ Y4 X4 @: B% o" \# \
|. p! j& K( [; j" z B0 Z. Q9 W SysFreeString(topicStr);
+ w+ q( w% }2 G+ L, {: \ SysFreeString(itemStr);
# p, p1 f5 r, w2 X SysFreeString(valueStr);: ]+ K; J( J E
9 L+ w+ s% A$ I" P" w3 e: s
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???
- K& E% f! L: v! K. v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* E$ K2 L5 G4 b( M
// Request a value from Extend
) F' \& W8 w& @) i7 i" N/ H, I9 Q3 r//
0 j, M& B( K. o2 @// Initialize the variant that will hold the BSTR. Set the variant's
7 T6 x- [( R* C. C) N2 k// type flag to indicate the fact that this variant holds a BSTR. Place the
! L2 o. e3 ?0 ?2 {1 z1 J/ t// BSTR into the variant structure.' k0 W3 y/ `, }; a) B6 x
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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2 _: ]* v5 W4 X G8 f; Z: a itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) m5 R7 F6 }* H5 e& R6 a
VariantInit(&requestVariant[0]); " o5 D( f( A3 A
requestVariant[0].vt = VT_BSTR;2 T. U8 X& R- \7 o, Z7 k
requestVariant[0].bstrVal = itemStr;
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; {3 F+ E; v) Z/ F# S topicStr = SysAllocString((WCHAR *) L"system");
; X( x$ n+ M: s' V0 N6 @5 ~ VariantInit(&requestVariant[1]);
& v, t3 Z9 ^" L1 O/ l4 s5 o0 c0 r requestVariant[1].vt = VT_BSTR;# G9 c# ~+ u8 p" L, k7 }$ H; n
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.) m4 u' ~3 D; G; w0 ]; N: G7 u
( D( r1 j+ ^% w dp2.rgvarg = requestVariant;. ], q. c3 M% ]# Z8 m7 u6 L" Z
dp2.cArgs = 2;& b9 T9 u, l& \1 M5 v( e& R
dp2.rgdispidNamedArgs = NULL;
: |, \$ b0 ~( d: {2 F/ E dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;9 n5 ]: c) o" \; \4 H; q3 w
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// Call IDispatch::Invoke()
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2 e* V9 H, F {, ?4 i: p hr = m_pDisp->Invoke(+ X) ~/ W$ S% p9 A
requestID,
+ V! [0 _' J" B5 P IID_NULL,- n, G& C. X- J7 V6 W$ ?
LOCALE_SYSTEM_DEFAULT,
0 M* a9 i R. E DISPATCH_METHOD,3 ?+ i6 g+ ^- t( Z; u
&dp2,5 ~1 h+ B- q' m; B: b
&var,
& i2 m2 o/ d) W &ei,( b7 @+ {8 ?; ~) `
&uiErr);+ E" D( n5 H4 N! ~
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SysFreeString(topicStr);
N/ M# o' _. `5 j8 H. [( F SysFreeString(itemStr);$ d) |! h" E3 s
请问该程序是获得extend里面的哪个值?
$ e. ~- X% @* r- U, u2 Y1 I6 X; j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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