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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:
+ C! }, a. E1 \) @Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (5 ^3 t) ?9 F# r b: i7 p
IID_NULL, // reserved" c4 i3 G$ I' l. r; o5 m
&Name, // Array of names to get IDs for
' }) f9 z5 i/ K; @8 F L3 T 1, // # of names in the array
8 P$ N% Y! H# n LOCALE_SYSTEM_DEFAULT, // System locale
6 k# _0 w" w# I' N/ f4 P3 g0 w, b &pokeID); // Array of IDs to fill on output
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if (hr)
_( ^& G" w5 I6 L- v ?9 Q {
7 \8 r( ~, N# o- Q: _& n MessageBox ("Get Poke Unsuccessful");3 z6 Y% e3 g" ?" [" V; V, I3 I9 w* Q
return;
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/**************************传递数据给extend**************************************/, E! J, G c+ _3 U7 ^
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);$ f4 B" Y: s. z! Q
& W( x, z% v* ~) h valueStr = SysAllocString((WCHAR *) L"1232");7 i% ^7 U) L- u, H5 `
VariantInit(&pokeVariant[0]);
9 J ~+ y6 n8 O pokeVariant[0].vt = VT_BSTR;
; |) q0 x: Q) k4 _$ E pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; o2 O" j1 F7 G) n: I VariantInit(&pokeVariant[1]); ' [2 I. J+ F1 H! A
pokeVariant[1].vt = VT_BSTR;, y/ X( Y+ a; q% r p- v+ K
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");, E3 _4 ^; {3 l
VariantInit(&pokeVariant[2]);
# ~; y+ @* h1 W3 g0 n pokeVariant[2].vt = VT_BSTR;: G' ?+ E1 Z& Y; ^5 l
pokeVariant[2].bstrVal = topicStr;
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8 z* c5 G9 ]" I// Set the DISPPARAMS structure that holds the variant.0 i+ z9 b" X' `8 n5 D
0 r3 K% G9 o( N& s0 z dp.rgvarg = pokeVariant;
" I! v7 Q& b3 M: l& z9 b& A dp.cArgs = 3;
$ @% }3 N, x2 F5 Y4 } dp.rgdispidNamedArgs = NULL;
, [5 H/ j; R( F. A3 O dp.cNamedArgs = 0;
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// Call IDispatch::Invoke(): _- g1 b9 x: k3 n/ U6 z
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hr = m_pDisp->Invoke(1 g6 T; n. ~+ r# v" i8 u% p
pokeID,; q& q |! k U/ l: D! \
IID_NULL,/ B B0 g( H" N' `
LOCALE_SYSTEM_DEFAULT,
; g( a1 Z+ ^1 a) w5 f3 f9 h DISPATCH_METHOD,! e$ r5 j- Y' l- o+ X M
&dp,/ |1 o9 u, r% ^0 U. n/ _$ O8 I
NULL,& f! |! T* x- G4 s- J; d. N+ E& O; z
&ei,3 O U$ m9 a2 S* ^8 `4 [
&uiErr);
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SysFreeString(topicStr);
7 w- Y# n$ }' T; g1 } SysFreeString(itemStr);
) ~5 W/ f( d/ |% s) \! P8 I. ?/ v SysFreeString(valueStr);
/ \0 P/ R. L' j S. g/ F
. d0 ~! L; {* o4 a. v* }0 F! P/ T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??? B Z- t: z" k- F6 p
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????6 v7 T6 x1 l3 d$ T4 Q0 y2 F9 X
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2.这是request的程序, r; {' j9 H+ Q3 z7 t
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
, M f' j, G. ?# a8 R* f. f: ?& y// type flag to indicate the fact that this variant holds a BSTR. Place the/ S" p5 o" T N# N
// BSTR into the variant structure.
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, ~# V7 v. L2 |) h requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);1 a" l# o F. U L; _! B( e! Z7 p
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ ], q/ O% {- {' L# d+ u; U
VariantInit(&requestVariant[0]); ! r% b- e. t/ Z3 N' A; Y- `6 L
requestVariant[0].vt = VT_BSTR;, c, _1 C/ ], ^: f, e' o, y
requestVariant[0].bstrVal = itemStr;! q- ^/ T4 t4 j' ^) n2 j
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topicStr = SysAllocString((WCHAR *) L"system");# G3 ?* r: }* J. o
VariantInit(&requestVariant[1]);
P* U8 o+ s% J6 ? ?- w# ^6 h requestVariant[1].vt = VT_BSTR;
+ s2 Q4 }# x3 b4 \" X7 t! i* N7 t requestVariant[1].bstrVal = topicStr;
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6 H- E, N& k8 r& n/ R' ]+ J// Set the DISPPARAMS structure that holds the variant." J' [. }7 X) B1 n
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dp2.rgvarg = requestVariant;+ T: V4 U6 o5 O; _5 m4 i6 d. g
dp2.cArgs = 2;. b$ Q1 J, `# U6 ]: d
dp2.rgdispidNamedArgs = NULL;5 u, |" Y2 y( T6 U
dp2.cNamedArgs = 0;9 s0 N: s" e# t
) G' m$ }9 x+ m h var.vt = VT_EMPTY;! @( U, e* L8 q8 n
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// Call IDispatch::Invoke()
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1 }6 h9 Z) J2 D- W# ?: {) Z hr = m_pDisp->Invoke(
, h- `9 D6 F" `0 u, l4 M% b requestID,% g: ]. W) ]5 ?/ | n- n
IID_NULL,
- {. E5 h j* J" o( j LOCALE_SYSTEM_DEFAULT,
, x" Q0 L3 y- }, J0 M DISPATCH_METHOD,5 t: }* t$ u3 [9 n" F
&dp2,
9 {* _( S% a2 O% s6 R, v4 z" t &var,% a b; j/ o! v' t M% T
&ei,/ U# c# Y2 C3 X- C
&uiErr);
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4 I' ^) @ j! K% r3 K( k) t- ` SysFreeString(topicStr);- [, J: m4 R; r; r; v
SysFreeString(itemStr);
8 N9 u3 w5 u; {3 Z7 }5 a. C请问该程序是获得extend里面的哪个值?0 P& x9 \: Y, I' t4 w9 G5 | K
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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