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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:" T+ D2 E# c" F6 n
Name = (WCHAR *) L"Poke";
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# F: K1 m' a# X B2 l' s* m2 g hr = m_pDisp->GetIDsOfNames (
) c% ?. H3 _/ X; v4 r" K# Y2 |( d' K% r/ V IID_NULL, // reserved
: \: b2 w0 f5 s &Name, // Array of names to get IDs for$ u" K1 w1 H; ~; G3 w0 U
1, // # of names in the array( }, E9 l) C9 f7 N3 u! c
LOCALE_SYSTEM_DEFAULT, // System locale. q8 z& W' x0 n; } I4 I1 h
&pokeID); // Array of IDs to fill on output
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% }+ Q2 U& N2 U if (hr)
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MessageBox ("Get Poke Unsuccessful");5 |8 H* L1 }3 B) X u" ]
return;0 t( O5 `3 B! N; x0 m& l$ `/ \
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/**************************传递数据给extend**************************************/
4 X1 T/ \% B. e1 B$ J6 d1 ~ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 ^( ^4 s9 v; c1 U$ [! N7 b
/ }/ g! }* t/ n% V* z valueStr = SysAllocString((WCHAR *) L"1232");8 f5 I" Z+ u2 r
VariantInit(&pokeVariant[0]); ( {3 o% D. U# |' ?
pokeVariant[0].vt = VT_BSTR;9 [$ o8 x1 |8 U2 i$ E& J( q* V
pokeVariant[0].bstrVal = valueStr;7 P% c8 D) M9 y6 P9 g3 ]/ H& e
# Z8 f3 t7 J" u itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# S& u8 @: I9 X
VariantInit(&pokeVariant[1]);
Q. K( D- Q9 w/ G pokeVariant[1].vt = VT_BSTR;$ T8 t; h6 s; B8 g* T9 K- q
pokeVariant[1].bstrVal = itemStr;$ w/ M' c3 L8 Z6 `- u
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topicStr = SysAllocString((WCHAR *) L"system");
/ T5 V( Q) \; i$ H2 m+ B VariantInit(&pokeVariant[2]);
' r9 ^) w; K% s' }6 x: F pokeVariant[2].vt = VT_BSTR;
; b7 s3 ?0 U' l6 e+ I2 w pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.3 G' c: e. {2 z3 ]! N
3 D$ o8 J% B) G, B9 x; L dp.rgvarg = pokeVariant;
' e; J$ q8 H- x1 l& j0 X/ \ dp.cArgs = 3;
4 M; r+ I' A V- f; i5 ` dp.rgdispidNamedArgs = NULL;) e& i5 f, u# i
dp.cNamedArgs = 0;% n2 M3 J8 }4 v2 T B$ A
/ M& C6 }% S; F4 R2 d// Call IDispatch::Invoke()+ C) T9 e3 V# M1 I0 m# d) X
* a0 B$ q; z3 c& I2 ^6 d% G8 ] hr = m_pDisp->Invoke(
1 q. q+ i7 D7 C8 e- C pokeID,9 h7 g( f9 x; z+ o8 G( j. K% p7 R
IID_NULL,% X: l4 S) c% ^. I* c
LOCALE_SYSTEM_DEFAULT,
( ~; O. v O6 C9 e" a4 e7 ~ DISPATCH_METHOD,
- y) O* N8 y# q& j5 a, c &dp,: `) d2 J# G5 F
NULL,
7 \# Z% N5 f6 Y3 } &ei,
$ }/ e" M. @+ P" Q &uiErr);
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. _9 ?" H1 _* J- z; J) R1 n- X SysFreeString(topicStr);
- a- O" \9 `& [1 m7 t0 `0 U SysFreeString(itemStr);
0 X) f& ?' P0 D9 Z( ]) V SysFreeString(valueStr);8 j; ]% S! L2 L* J% e) |) Y6 l F" q
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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???& i& E! |0 E, w: ~) `3 l8 Z+ f
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????3 O# H, j3 F) ?, O7 a1 {+ }
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2.这是request的程序
# o. a7 y) ^, ]6 F// Request a value from Extend0 A8 u4 a: H2 r& @
//! O6 |% V; C4 I: D+ e/ L9 V
// Initialize the variant that will hold the BSTR. Set the variant's
- H) e' [. m R: V( r2 i; ^% n5 d$ A: d// type flag to indicate the fact that this variant holds a BSTR. Place the
( g( }$ O1 t, j' Y0 H( k# h// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* }. K) o5 |" B+ P+ R, Q
VariantInit(&requestVariant[0]); # s/ ]+ {* R1 L6 m* k" b
requestVariant[0].vt = VT_BSTR;( p$ n+ h" |- ^8 _- G
requestVariant[0].bstrVal = itemStr;1 H( t; _: l3 [% \$ j% s
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topicStr = SysAllocString((WCHAR *) L"system");) D) E. ^& d3 B' s: e
VariantInit(&requestVariant[1]); $ G1 z/ Y" z) q& N
requestVariant[1].vt = VT_BSTR;
& u4 J- f, `) b& e9 A requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.- a) M/ t1 K `4 L ]2 C
7 f; S) r* A4 Y* D6 \/ @+ j. N dp2.rgvarg = requestVariant;
5 G8 u; ?" o# U dp2.cArgs = 2;
9 t1 d3 D) ]+ o. V dp2.rgdispidNamedArgs = NULL;4 z, P7 N/ H: \6 C- y. H; N# }
dp2.cNamedArgs = 0;6 W( g7 L1 ?. Q! g6 S' B
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var.vt = VT_EMPTY;2 E3 T% w$ L5 j6 ]0 G
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(; ^! r, R0 \7 Y* u \- h% E" Q8 \
requestID,8 c' z$ g! p( q! k' N+ q2 M
IID_NULL,$ }0 ~7 z( l& Q0 l
LOCALE_SYSTEM_DEFAULT,* h8 G* J! E: }" E7 m0 B: H' v
DISPATCH_METHOD,
4 `$ l- P" _3 b o q) k' T &dp2,
7 D6 ~% S2 L8 z5 { &var,
$ @2 |/ ?& x' ~! s- c& Z. q; ?* G &ei,
; C& R4 y0 _5 u$ ]. B &uiErr);- @; ^0 R* p; I" W6 Z& J8 y7 c
* S' t/ w9 a5 ]( ] SysFreeString(topicStr);
5 b' r8 @+ b, V SysFreeString(itemStr);
, [" L4 m9 O1 {* _4 v请问该程序是获得extend里面的哪个值?
$ _1 r0 O& @, W9 }9 @2 C: N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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