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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:
?9 n" T! }2 ~. j- \3 t5 J* w7 QName = (WCHAR *) L"Poke";
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9 {( |0 j+ _# |3 t8 i# [5 y/ U hr = m_pDisp->GetIDsOfNames (7 e# {& c0 v! e& {) Z' L; ]
IID_NULL, // reserved
0 t9 v5 t: u t; u; }% e: J I &Name, // Array of names to get IDs for
7 }7 O) _7 K& p$ D) A 1, // # of names in the array" M1 @7 M: u- {$ O5 s
LOCALE_SYSTEM_DEFAULT, // System locale$ H( D% B( `$ J3 \6 F' k, {
&pokeID); // Array of IDs to fill on output6 T* G8 a. J0 x) d" L7 S- Y
6 _. Z/ X! b3 d( [" u( K$ c" } if (hr)
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MessageBox ("Get Poke Unsuccessful");$ M% i/ h9 _* ?8 E# I
return;
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/**************************传递数据给extend**************************************/* X @, _: E) @' E
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");2 n* {2 M; X) h( F' b
VariantInit(&pokeVariant[0]); ! l) e# M- D" |/ k& f+ u7 k6 {! D0 u
pokeVariant[0].vt = VT_BSTR;( ]& A& g4 z' L$ f# w
pokeVariant[0].bstrVal = valueStr;
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( v* W! f1 @% x8 q1 t! m& X& ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- x1 ^) S/ p# _7 L [ VariantInit(&pokeVariant[1]); ( _# j+ G* t8 W6 m* Z" Z1 O5 `+ E$ |1 L
pokeVariant[1].vt = VT_BSTR;
& c b8 R) o! p pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");6 y$ x! t7 \" ~ c# p2 Z, N! n
VariantInit(&pokeVariant[2]); : _- p6 q/ u* C
pokeVariant[2].vt = VT_BSTR; z6 ` G) a; X
pokeVariant[2].bstrVal = topicStr;- j9 w- _; {. c& I
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// Set the DISPPARAMS structure that holds the variant.
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$ v% {5 s) l" g# Z dp.rgvarg = pokeVariant;* ^1 S3 ^) n' q: b0 x6 k
dp.cArgs = 3;2 G- h: d6 F% t6 u" h# v N
dp.rgdispidNamedArgs = NULL;) V+ ]# |3 T' b
dp.cNamedArgs = 0;2 |2 h2 `2 v$ `
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// Call IDispatch::Invoke()
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6 R; J) ?5 y' f9 ?; a hr = m_pDisp->Invoke(
2 [1 r) @. N2 P5 [; W6 H pokeID,
) ?( ?$ Y0 c+ w2 r, l IID_NULL,
' N4 R& }" ]# U* A* F, p LOCALE_SYSTEM_DEFAULT,
, x' Y q: b5 [ DISPATCH_METHOD,
& k6 L& a- l: X1 A &dp,
c' o3 d$ a2 g9 Y& m, N9 F NULL,6 ]* r" e9 G' N2 j8 j
&ei,+ M* ]$ e$ Z7 t3 n9 t- a5 g
&uiErr);
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" C+ x+ B" X: \ SysFreeString(topicStr);
1 u1 T: }0 @- M! X SysFreeString(itemStr);, K( A* j' E! I9 G# `
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???
3 y" U! X$ Y0 _. 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????' ~$ n9 G- D1 }' t4 k! O
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2.这是request的程序
+ \# H" L; @/ G% ?2 X1 @0 x7 P// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
! M e( ?) p& [ [1 {// type flag to indicate the fact that this variant holds a BSTR. Place the- _: ?! A8 r( z& y% H
// BSTR into the variant structure.
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$ T3 l+ O; E! g requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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, S5 W2 B6 s; o) L+ c% G- O itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ t% s7 x, [& l: b d$ O$ m7 _, t
VariantInit(&requestVariant[0]);
9 U Y ?4 R. x, M; u& W requestVariant[0].vt = VT_BSTR;- w# E2 ~6 `5 ?$ N& Z1 I4 y
requestVariant[0].bstrVal = itemStr;
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/ T, ^2 b0 `5 G/ v9 w topicStr = SysAllocString((WCHAR *) L"system");0 w: z% [( s5 f, M2 r
VariantInit(&requestVariant[1]); 6 y! N- r; _* w' `5 Y0 P
requestVariant[1].vt = VT_BSTR;2 O/ u. U% G8 p( f2 @+ D; Z
requestVariant[1].bstrVal = topicStr;9 ^- e& a( |/ e0 N+ _
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// Set the DISPPARAMS structure that holds the variant. ]9 Z+ R* O1 s1 z
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dp2.rgvarg = requestVariant;5 V, t6 N# J; O4 l' L0 i
dp2.cArgs = 2;- [/ W1 O1 S' v P- \( K
dp2.rgdispidNamedArgs = NULL;# C1 d8 O( U$ q2 I4 _
dp2.cNamedArgs = 0;
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! b$ f0 h) M4 [! e3 g var.vt = VT_EMPTY;# f9 D" g& ~' X. q I# F
' ~/ D5 G) ~7 Y; ?* a/ X7 F" P// Call IDispatch::Invoke()' z9 [! z$ W8 R* y- p9 v. M
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hr = m_pDisp->Invoke(
$ c* j& R) v, d, K% O6 L# u requestID,/ y5 v& t% T6 M6 d7 d0 V: I
IID_NULL,. Z1 w& I! r+ e0 k
LOCALE_SYSTEM_DEFAULT,
3 x$ j0 {2 Q8 |* R( G5 q DISPATCH_METHOD,
+ G! ?7 N) M1 C &dp2," O1 u5 G! A. D9 L. q8 q1 G$ E" d0 i: s
&var,0 F3 ?5 j" |; I1 G8 l. X
&ei,# `* [7 A0 t0 i. C. | X
&uiErr);
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SysFreeString(topicStr);% S: s! Z& c/ I2 `7 h7 Q
SysFreeString(itemStr);! I9 Y7 c3 f2 J" Q" Y8 z9 f
请问该程序是获得extend里面的哪个值?
( s* f' q" x K7 Q4 R( C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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