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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:
8 E# [2 j6 T: ~4 i( bName = (WCHAR *) L"Poke";
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$ n3 a" d4 M# w. m& } hr = m_pDisp->GetIDsOfNames (7 p; G9 d; c/ V) s) I
IID_NULL, // reserved
* C3 L6 v1 ]9 N* u &Name, // Array of names to get IDs for% J7 }6 n9 k! L3 j' h
1, // # of names in the array+ I- f$ ^( k! S7 T4 x
LOCALE_SYSTEM_DEFAULT, // System locale
, w0 e! l- U) Y* x1 n5 ^ &pokeID); // Array of IDs to fill on output
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if (hr)
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) y+ A) M2 b* b3 r MessageBox ("Get Poke Unsuccessful");7 L/ u, I3 y2 K' X8 S% d& t. D
return;
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9 r3 {$ w. l' }; d8 K/**************************传递数据给extend**************************************/
# n9 C# f- D1 N* n* |3 ^ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! g- v! C0 z% W! ^3 X
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valueStr = SysAllocString((WCHAR *) L"1232");
- f4 `9 `; m4 Q8 {% p VariantInit(&pokeVariant[0]);
) U# X" Z6 B, { q pokeVariant[0].vt = VT_BSTR;. W* `* x9 z. a0 _$ i
pokeVariant[0].bstrVal = valueStr;
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* b" f: ^0 J7 |# U( \0 W! C, x% W itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 Q4 Q! M5 {% p4 S1 n
VariantInit(&pokeVariant[1]); * c0 U% e2 }" O) O- }! w' Z
pokeVariant[1].vt = VT_BSTR;) V+ a0 R4 l: @# g$ U' B
pokeVariant[1].bstrVal = itemStr;- ], p% k2 t! l& u& G/ C
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topicStr = SysAllocString((WCHAR *) L"system");
1 \" E6 [8 E0 r. W, y VariantInit(&pokeVariant[2]);
+ G8 A. D& S9 `% d# B5 u pokeVariant[2].vt = VT_BSTR;% f2 L6 f6 q& `8 @( X2 u1 U
pokeVariant[2].bstrVal = topicStr;2 q( ]% u9 p& i
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// Set the DISPPARAMS structure that holds the variant.1 P& m6 u1 c2 u+ Z& G# K& a
7 {( e* `* I0 |! o& c e dp.rgvarg = pokeVariant;
i# N9 c/ j5 `# Y% v/ s: b dp.cArgs = 3;
0 L o' Y/ h3 \' [7 }) X dp.rgdispidNamedArgs = NULL;
# c! U: n* g; u& C dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()" R% V( U3 F4 ^3 L' G% T
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hr = m_pDisp->Invoke(# Z6 p3 G% q4 l. ^- y, ], Y
pokeID,) h, Z* _2 _8 N& N# Z5 ]0 w
IID_NULL,: ]# U0 h4 i" m: ~8 L9 j) _- ]8 y
LOCALE_SYSTEM_DEFAULT,
2 I9 Q4 A/ n: o; R) j) J DISPATCH_METHOD,2 J; O/ ^! D$ J
&dp,/ C1 L5 V) R, E9 `
NULL,
$ T+ L4 ]( |/ y) c &ei,# `( f2 ?8 A7 V
&uiErr);
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SysFreeString(topicStr);7 N, t3 ]0 N, _- Q; D3 C
SysFreeString(itemStr);
/ T8 q6 n) Z3 P& H% v5 V SysFreeString(valueStr);
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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???! Z# A; Z- D# a+ h
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3 `) K& }2 i4 I
// Request a value from Extend
( P" t' k, Y& \- u( p//
$ g& h& z) A. ?8 N# d* g// Initialize the variant that will hold the BSTR. Set the variant's
m/ `. @; v# I' V// type flag to indicate the fact that this variant holds a BSTR. Place the
$ Y, z5 B) y. O- B, m5 V# N// BSTR into the variant structure.( ?, }0 @9 f9 k' u3 B' v7 Y
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 m! o6 ^) F2 k8 N5 n, e3 k% D
VariantInit(&requestVariant[0]);
. U* [) @: G; Q( S% G requestVariant[0].vt = VT_BSTR;: D, G& J# ]% ~* `- W
requestVariant[0].bstrVal = itemStr;$ ?% `7 |2 B; x' ?9 C$ k; `
$ Y# o" U; U' z topicStr = SysAllocString((WCHAR *) L"system");$ `/ D: Y! u# t/ d: `; \' t
VariantInit(&requestVariant[1]); ( Q( x9 |; J+ m
requestVariant[1].vt = VT_BSTR;6 ]) _9 `$ U$ r! H! l
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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6 Q# p/ V, U# k dp2.rgvarg = requestVariant;
" P: n: w. h: C8 C# ` dp2.cArgs = 2;
9 L' t# } W5 W5 I9 s dp2.rgdispidNamedArgs = NULL;
' I) \6 N6 V/ _/ } dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;! b+ j) k4 K( _0 Z
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// Call IDispatch::Invoke()
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j0 J m9 }6 O5 k3 x) @- l hr = m_pDisp->Invoke(
% r7 T- `# ]" O7 j* D: {7 a A* x requestID,
@8 u6 ?, H& r) y$ `8 w$ w IID_NULL,
+ z# @* E# A! @7 E1 I; [- x LOCALE_SYSTEM_DEFAULT,
# T; {* @" N- p5 ^ DISPATCH_METHOD,. A; y, f. D/ I1 v6 A7 L. ^
&dp2,& G; z5 H: l* [4 K7 k
&var,8 w, L3 P. t: v0 ^& y( e
&ei,, m1 x- `) W. T; Z
&uiErr);
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SysFreeString(topicStr);# l0 o9 ~8 C; D1 z
SysFreeString(itemStr);# i& K- P6 U' h% Z# [ V
请问该程序是获得extend里面的哪个值?
" ^4 [; i. y7 `& v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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