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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 ?2 l( i8 y7 s: y. \! S4 ]
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (5 F `4 d, Y' ^2 C
IID_NULL, // reserved
6 A' I# q9 K4 B0 N &Name, // Array of names to get IDs for$ m6 Y4 h7 M3 Y0 e' \: ~8 ^
1, // # of names in the array
6 n: f% i; N# r N" z* T LOCALE_SYSTEM_DEFAULT, // System locale; J; Z5 Z; M: t$ s& L& a+ p0 o$ w, j
&pokeID); // Array of IDs to fill on output
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! v8 X9 A) M" V' |# ] H if (hr)# Q2 s1 b- H, J% I$ _% F' n: R
{" E; ?* ?" m% \) H
MessageBox ("Get Poke Unsuccessful");
3 X- q: i3 H6 M$ K. V! `% A& J" h' Y return; F+ e3 x: E$ B3 {, E+ P3 ^
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0 w' o1 K$ d3 k6 f8 t6 O/**************************传递数据给extend**************************************/
2 M D) z7 W7 A4 m9 b! a7 O pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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`. {8 w' {* v* D" \1 X valueStr = SysAllocString((WCHAR *) L"1232");
$ ~4 g) H2 Q7 F5 x4 v5 f. G6 J, x/ w VariantInit(&pokeVariant[0]);
$ D0 E0 P' B% z" K pokeVariant[0].vt = VT_BSTR;% \" `) f( q" l1 H3 j
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 W$ ? m6 _% o VariantInit(&pokeVariant[1]);
0 d$ l' @' c3 S9 E0 N pokeVariant[1].vt = VT_BSTR;! R" f M, [( J6 R& V0 z
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");. K4 e! G, {9 N) r3 P* L* \4 d, |
VariantInit(&pokeVariant[2]);
' }, w9 O- J [, E5 n pokeVariant[2].vt = VT_BSTR;1 K* d# x: E0 ~2 k9 ]/ k* T
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant; t$ [" ^5 N. M. f
dp.cArgs = 3;
8 }4 S, Z3 S. V" f+ `8 ` dp.rgdispidNamedArgs = NULL;
c: P! O, \7 N- U) k dp.cNamedArgs = 0;
* L7 z1 q& _- A- N v! k
k! @ F; d& w5 Z// Call IDispatch::Invoke()# `% N' m8 q# ?/ U8 P& H' z# _
" U0 Y) \2 [, Q m) ~ hr = m_pDisp->Invoke(8 V! E" Y# c$ e
pokeID,
' f3 d/ a, V$ f& Y2 { IID_NULL,8 v% L' l2 w: P) i
LOCALE_SYSTEM_DEFAULT,, i" e- L8 b4 z/ y9 z5 y
DISPATCH_METHOD,: ^; P) S# a, A8 ^! b6 d# I
&dp,# r: b* S$ g& j8 Y7 v' W
NULL,
$ g5 ~! L) {: n/ E+ ` &ei,
) m( n u& P7 A; s" |: Q9 v$ Y3 Q" U &uiErr);( ~4 w" K& }9 J: m" I
) `: I1 M2 \& Q' n' s SysFreeString(topicStr);5 Q' x( A F, \( X5 i
SysFreeString(itemStr);
( ]% W {! q. U3 _ SysFreeString(valueStr);
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- B" I$ }7 F @& G! i& C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???
5 C# s h! X1 x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???? f9 h4 g u6 r. m+ a4 K; z
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8 n9 I2 X& s/ D* l) j2.这是request的程序
! ], E+ l" X' L0 a9 s( O- y// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
/ L# y7 w4 Z+ g, v& Q# u# {+ y/ d// type flag to indicate the fact that this variant holds a BSTR. Place the
: L2 y$ U( C. t6 ]// BSTR into the variant structure.* _$ L2 I- X) X2 S9 E6 U
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);3 ~4 V: y9 m8 B+ S
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* H( G9 _( D- q VariantInit(&requestVariant[0]);
$ y& `3 m5 X6 n0 _ requestVariant[0].vt = VT_BSTR;
2 Z, T% }9 P) o requestVariant[0].bstrVal = itemStr;
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5 z2 w% P* w. R9 a& A3 @3 c- e7 k topicStr = SysAllocString((WCHAR *) L"system");% t& L% j% g C1 { Q
VariantInit(&requestVariant[1]); " k" N2 \: x r1 [& S$ j
requestVariant[1].vt = VT_BSTR;
; x' a9 j7 A. z; Q requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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0 r( p( [! W$ z6 M$ p0 H dp2.rgvarg = requestVariant;5 h c# v4 d; u' k- @+ |; s H
dp2.cArgs = 2;
* L9 C% W7 p5 k+ R3 y f! g dp2.rgdispidNamedArgs = NULL;
8 Z# a. S/ A/ O dp2.cNamedArgs = 0;
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5 ~3 I+ [- L) G0 W3 b var.vt = VT_EMPTY;4 Q: Z/ c1 w, l( R0 w8 U
4 G- J; m$ }" d2 H$ S/ a, H// Call IDispatch::Invoke()) V/ B* o( V( d/ a* X3 @- V
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hr = m_pDisp->Invoke(
6 V! M! \0 b% g& h/ m; M, S& W( P requestID,
5 N0 Q9 ], t+ U IID_NULL,$ e& U. x% u) q6 E
LOCALE_SYSTEM_DEFAULT,
8 u& |0 b% {8 ]* q9 \) e4 n) V DISPATCH_METHOD,
2 ~4 o- a! X q" Y &dp2,
. E+ X9 F" ]+ N. C: F1 n &var,
4 {, w. {0 p R. d! q% G5 d &ei,
) j$ O1 `# G. O% B7 t1 O, |2 U &uiErr);8 i6 N* ^5 S' W+ L C# L1 E i( u+ u
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SysFreeString(topicStr);
% e# H# F* y; v3 O3 W! f7 P8 f/ v3 a SysFreeString(itemStr);
+ R+ p4 e" }0 y# Z7 k" }请问该程序是获得extend里面的哪个值?
" ~9 i: ^# z' @) n1 j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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