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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:" @# h+ W! f a' \
Name = (WCHAR *) L"Poke";0 ?1 L B# G. E, C) q
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hr = m_pDisp->GetIDsOfNames (
) G- P+ Q7 u5 `) q IID_NULL, // reserved) k* i" S6 i% J- y$ }
&Name, // Array of names to get IDs for1 E* k, p: k3 \9 m) G6 J
1, // # of names in the array
4 I9 ]" W e: A9 k; P$ p9 B LOCALE_SYSTEM_DEFAULT, // System locale, T. q1 B: ]- l! A& Z2 }9 n: o
&pokeID); // Array of IDs to fill on output# [! Q! y8 U! r1 p- [) x
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if (hr)
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6 G% h( ~; N+ M MessageBox ("Get Poke Unsuccessful");7 n* E a3 y; u; Z- c
return;
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/**************************传递数据给extend**************************************/" c$ P: u$ U. ~* E
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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/ Q( `" q0 M2 K5 {, i) v. v) R valueStr = SysAllocString((WCHAR *) L"1232");' A6 M- O( }* J8 Q; A
VariantInit(&pokeVariant[0]);
; d, N& _4 Q- i2 r8 ~) r. }$ O pokeVariant[0].vt = VT_BSTR;
% L+ a- } x3 n l7 d pokeVariant[0].bstrVal = valueStr;, c8 N( z+ n6 ~: F3 }2 U5 ~8 e
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. p+ K' O3 A% c/ u; U% y VariantInit(&pokeVariant[1]); ; y" I' I; q/ I, @7 P3 h
pokeVariant[1].vt = VT_BSTR;, a$ s% c; D; d; B" ~, x
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
" I( D6 P4 }0 Y) q5 C VariantInit(&pokeVariant[2]); $ {& l) `4 l& T/ V. u1 J* N. W
pokeVariant[2].vt = VT_BSTR;4 N. H# O2 ~# Q& R9 c
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;, k6 J8 X3 A2 C6 h( @: J
dp.cArgs = 3;% ~" W- |" c6 d4 E# j
dp.rgdispidNamedArgs = NULL;2 U/ {1 i+ i3 j* o0 L) h* ^1 Y. u
dp.cNamedArgs = 0;1 X0 w% G& v1 M! x% M
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(4 s; P) T% b+ }: a, n4 T A
pokeID,1 H6 g: X5 e0 B# u0 v( I, h
IID_NULL,) u2 N: c/ t: g/ o9 _/ C5 ~
LOCALE_SYSTEM_DEFAULT,+ G" `- ~+ B, w" r. {* r$ _
DISPATCH_METHOD,
. ]1 U9 z% c7 v7 P- z5 K; m2 h &dp,
" Q3 w9 c) j% v; ]. a" M NULL,
% W l6 N; b! i' O0 f! U- p &ei,
% S4 z/ |2 ^1 L! E- ^2 | &uiErr);
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4 @7 x8 z7 n0 X SysFreeString(topicStr);
1 ^5 x' l3 @2 u# ]& ? Y+ [2 Q SysFreeString(itemStr);
u3 Y* |; |; B. p! l `4 G SysFreeString(valueStr);
3 M( V& L' X) j' t2 l1 z7 n7 @
7 M. I# N+ [" [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???9 [: F( b6 h9 ^7 A& v" i
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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8 Q$ ]' Y" Q# _. R* |/ C2.这是request的程序
I+ E7 t7 y) U// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
1 |7 d! i, p0 E// type flag to indicate the fact that this variant holds a BSTR. Place the
. a% R! b/ G, I6 {: i// BSTR into the variant structure.) w B6 k' h+ D, B
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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1 Q# v$ y% Q [# d! n5 T. Z/ W itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 t* g* P3 y8 ? VariantInit(&requestVariant[0]);
1 n" y r# p% s, R& e; U8 B5 q, @ requestVariant[0].vt = VT_BSTR;. c0 t$ C) K- A6 `" W3 f
requestVariant[0].bstrVal = itemStr;& S" g3 b" V) Y3 U
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topicStr = SysAllocString((WCHAR *) L"system");( l5 l' J7 C+ P/ ]4 [4 L6 l5 y2 h
VariantInit(&requestVariant[1]); $ A& c0 M/ ~& v: y' U8 ~
requestVariant[1].vt = VT_BSTR;
# n% }# }# h- b& E: s0 O t( L requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;9 c+ t* O m) U3 P% D
dp2.cArgs = 2;) i+ G. H5 N! C
dp2.rgdispidNamedArgs = NULL;" [ \% ]% E9 s' A' _& q- o
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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1 Q( i, h5 R$ ^: U8 a5 `" v+ |// Call IDispatch::Invoke()0 p2 v9 N* @5 o6 `0 G" h j8 l
C8 X, M$ @1 c. p hr = m_pDisp->Invoke(0 q2 d0 z* r% E b
requestID,; T* g: R& H6 F0 p7 L
IID_NULL,# r* _: _1 F# I+ V. Q
LOCALE_SYSTEM_DEFAULT,
) G+ M3 l' l9 t4 g3 b7 J& T& _3 H; O DISPATCH_METHOD,
- E; R! o# a- U &dp2,1 k2 ^7 s, U8 g o% h
&var,
@- w7 h, U G* {3 P% R% n &ei,3 j4 W+ i* ?3 j& f! N. S: `
&uiErr);, }6 ]) D# i2 n$ K' L. i. [; q
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SysFreeString(topicStr);! w+ s+ B6 z0 J. y' W, {
SysFreeString(itemStr);5 d7 Y6 r& o( O6 a* }" E, W" R# `
请问该程序是获得extend里面的哪个值?
. w" j( W; G9 C5 I5 l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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