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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:' W* M' b; w) }1 ~
Name = (WCHAR *) L"Poke";2 U! n. a6 b, p% G% e6 }
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hr = m_pDisp->GetIDsOfNames (. q" y8 y$ T$ I9 r$ d% v/ N2 _
IID_NULL, // reserved
8 D4 ?! L2 H" g% k+ f &Name, // Array of names to get IDs for$ X! `" |) s8 h
1, // # of names in the array
; ]9 s0 w4 Z$ ^& t$ O* r LOCALE_SYSTEM_DEFAULT, // System locale" U( _- l" O* f2 z
&pokeID); // Array of IDs to fill on output
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+ U% H" x9 }4 E' ^ if (hr)4 f& q2 M# I5 ?
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MessageBox ("Get Poke Unsuccessful");
) g! y$ A* O( c& v* a6 R return;
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/**************************传递数据给extend**************************************/
5 K: J8 C9 \3 K8 y$ |4 Z# X$ _$ Q" g pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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2 K( e& i( V0 h* I! g1 }9 N3 I valueStr = SysAllocString((WCHAR *) L"1232");" Y4 B4 a+ _1 |3 u, [# Q
VariantInit(&pokeVariant[0]);
2 p; Z2 C, C, l pokeVariant[0].vt = VT_BSTR;
; x) C& ^, c+ T7 y! J* f pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- T7 d9 ~* U+ M$ B- }9 Y# D @( ~
VariantInit(&pokeVariant[1]); ; i7 ~* s% ~; w# t
pokeVariant[1].vt = VT_BSTR;
" ~' c1 Z2 ~& c pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");) \( F/ c! A" y+ G O' t% Q: o
VariantInit(&pokeVariant[2]);
d1 j4 k! B) J& ^* a. o pokeVariant[2].vt = VT_BSTR;; _7 {6 j4 Q* Q$ K
pokeVariant[2].bstrVal = topicStr;5 A# _6 E+ {, g& X. I H- l" j
1 m: p# d8 J3 q% o/ h4 L// Set the DISPPARAMS structure that holds the variant.7 e5 s% e- t6 o
7 Q5 h3 S6 _! V dp.rgvarg = pokeVariant;7 ^) h& |: m$ M; b
dp.cArgs = 3;- }4 q: n; G- [/ g& J. _
dp.rgdispidNamedArgs = NULL;
: }! J( N/ E6 `2 T* x dp.cNamedArgs = 0;
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// Call IDispatch::Invoke() i- j& V. n: e% ?, C5 w
& c/ _+ @# W! K: U$ h: ~ hr = m_pDisp->Invoke(
, A% u% z0 I8 s5 o7 U: D/ E( S8 \, J+ ? pokeID,+ N% h0 B% f* x/ _
IID_NULL,1 q9 j; F: k, n/ l1 i
LOCALE_SYSTEM_DEFAULT,
0 D, w( @; v5 o: e! l. u DISPATCH_METHOD,
6 a1 d* }+ ]; O3 C' x &dp, u. y7 Q; b2 Z: a' ^9 ^ A# k. N
NULL,; l- x, c+ r# i/ S
&ei,
0 E% _' ~1 Z' ]: i# l) r" O &uiErr);3 s- [4 `3 o( _$ y
, K9 r7 \) `% U/ K8 b8 u0 O SysFreeString(topicStr);
7 x. _0 S( d: | SysFreeString(itemStr);& p+ R9 |4 \. d% d
SysFreeString(valueStr);, B. M0 E2 _0 S+ }9 E/ J) f
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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???
$ ]* `7 S; D& l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 {& \) i8 G' K# Z" W6 o. @2.这是request的程序' O( _& V. }! D: B5 x- \: ^
// Request a value from Extend. M. i! e8 q# M7 L" d
//
# U7 H" a: v1 p// Initialize the variant that will hold the BSTR. Set the variant's
1 Y; W0 I& \- l4 L$ s// type flag to indicate the fact that this variant holds a BSTR. Place the0 @ k/ t4 G5 F+ w' [
// BSTR into the variant structure.6 ^: ?) o* h3 ^2 ^' O7 j# u
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) b v* ^% W" L VariantInit(&requestVariant[0]); 4 Z/ ~! L2 R& h6 K
requestVariant[0].vt = VT_BSTR;
6 z& _2 U2 L+ }, [; d* Y! L( M requestVariant[0].bstrVal = itemStr;
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& p" a$ ?8 R1 x: a topicStr = SysAllocString((WCHAR *) L"system");) I$ [8 I( [- f7 F5 ~
VariantInit(&requestVariant[1]); P I0 M7 X/ G' a. Y
requestVariant[1].vt = VT_BSTR;
0 o) w; n$ K! G0 o _+ S requestVariant[1].bstrVal = topicStr;
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/ C" z" l0 `1 a' ?) _3 g& [// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
2 ?. n# U T; S* ^# a dp2.cArgs = 2;) C2 e5 T0 C, V" s$ P
dp2.rgdispidNamedArgs = NULL;
; @8 { w/ U6 b9 H dp2.cNamedArgs = 0;, y, [2 B( B3 c: Z5 }
?& V! }( n- g5 d6 A! } y var.vt = VT_EMPTY;' \+ A/ q) q' s4 z( L
' b, M7 g% p/ X$ @% P1 r// Call IDispatch::Invoke(). G* z6 }: F! n9 K8 [. L
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hr = m_pDisp->Invoke(* L9 x5 ]6 i! V: ~) \2 X7 z) R. e
requestID,* e9 }, S5 A [& b- m+ g
IID_NULL,8 u0 S* D! y; k( Q3 C; G, l/ @
LOCALE_SYSTEM_DEFAULT,
4 L2 K5 c+ b. J+ r! l DISPATCH_METHOD,
# r8 t2 h' h$ c. o% l &dp2,4 {) n6 U1 f* m
&var,
. K Q* I; o1 k. D &ei,
# k1 V" n4 Z# E% Q- i" E &uiErr);
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SysFreeString(topicStr);1 q4 j& j& R+ Z- |4 ?8 y
SysFreeString(itemStr);1 \# Z: d* Z% ~$ T: k) U- [4 q1 I9 d
请问该程序是获得extend里面的哪个值?! P: p$ j( ]6 a+ G
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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