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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 l% X; J# q% j8 I0 sName = (WCHAR *) L"Poke";- \/ ~1 C) U8 ^" M: V1 V8 l
4 m. S4 I3 W( Y6 N hr = m_pDisp->GetIDsOfNames (
+ i) T& V1 `! [; A IID_NULL, // reserved9 J4 }8 m' P! T0 H m1 D: X
&Name, // Array of names to get IDs for
- \' D1 B; W6 f' k/ ]7 C4 |# u 1, // # of names in the array, R0 J& F$ [* k, h3 v6 n
LOCALE_SYSTEM_DEFAULT, // System locale W2 `. l2 A: u( h& Y+ a6 t
&pokeID); // Array of IDs to fill on output
* D V4 c# C. n" ^7 U. ^5 z: j
- O- o: s* H* M. I+ G1 o if (hr)
0 x5 b) e H' K {& Z" a4 M; J+ s$ e% K
MessageBox ("Get Poke Unsuccessful");
7 p3 I9 }: U& C( s" i6 j: A return;7 G) @: u$ L r [' ~
}
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" V z8 B1 D9 M/**************************传递数据给extend**************************************/& I4 u! T. V$ P/ U, P. t. w: \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
' g: g# h# A& C3 }0 w2 W+ d w0 f # l, [$ E- _3 X' R$ v) X
valueStr = SysAllocString((WCHAR *) L"1232");
' N* }- R. Z/ {% f) K Y VariantInit(&pokeVariant[0]); 1 \: ?& \, e! o0 [) o& p- B
pokeVariant[0].vt = VT_BSTR;- ~. [" N! J+ y5 y; N
pokeVariant[0].bstrVal = valueStr;, Z# [2 T4 m" {4 A8 I# U4 n% u; Q
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ Q2 ] C' I' P8 u7 h* ` VariantInit(&pokeVariant[1]); - T+ J- u8 H' {. k8 |
pokeVariant[1].vt = VT_BSTR;
: `0 k5 }/ _" D pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
) }0 z4 @' {2 C VariantInit(&pokeVariant[2]); 7 B2 A+ ]3 d5 l& g/ o
pokeVariant[2].vt = VT_BSTR;
( ]" [) y+ g& A8 Z7 ?4 } pokeVariant[2].bstrVal = topicStr;
, B, q+ @$ y1 y/ o9 B% S
- k( g3 j; u( B! q// Set the DISPPARAMS structure that holds the variant.
/ z6 |/ |$ C8 V
: ~5 K5 l+ }) N' ^ dp.rgvarg = pokeVariant;
) g' Z: m% t* N dp.cArgs = 3;
( J( E/ e6 g- h1 d( p dp.rgdispidNamedArgs = NULL;
3 V; O1 e2 o& s+ O& n! F0 C- Q dp.cNamedArgs = 0;
/ }; o* `6 L. c% h# ^# A: Q& C7 ^" c' ?: O
// Call IDispatch::Invoke(); A% P2 {/ @2 D5 |3 v# ]7 Q
/ ]' r/ ?/ G' I6 \2 D7 \* ]
hr = m_pDisp->Invoke(
. |8 S/ o- |% d) d* i+ q pokeID,4 y5 X2 `: g- l3 `" u- A6 c
IID_NULL,
0 B! U: [5 f7 N' G LOCALE_SYSTEM_DEFAULT,
" C, k% {- y7 ?9 m( p! T+ k DISPATCH_METHOD,6 p7 B* Q9 F4 S% K" q8 A* X
&dp,
^2 P" Z- t0 t+ J, l9 i1 L8 B% } NULL,/ F5 D1 _7 c( k: _
&ei,
+ V" }; u! A& t! ?" [, w) q( W0 B+ _ &uiErr);
8 f8 F6 g3 |/ z: F# n. ~! p* S4 F8 k, s% x
SysFreeString(topicStr);
! O$ i' W O7 v |5 M3 z SysFreeString(itemStr);
7 n0 @; X# P; B2 l( W SysFreeString(valueStr);
/ c- o: m8 g, ]
- h0 e. H b" |; H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???
$ [2 G9 `( w1 p/ ~0 D$ K& P! v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????
5 V' e! _( e8 U' G3 h& t# S3 @, c% X" n# m+ t& V. W, G0 }
2 {/ j4 i! H5 v" H' q! O3 }9 n
2.这是request的程序
4 s% S1 q& ?) i) a9 h) J7 _// Request a value from Extend9 h0 R2 [- h$ I2 Z
//, q, [. n @" Y
// Initialize the variant that will hold the BSTR. Set the variant's
( \: Z" E8 D7 Z// type flag to indicate the fact that this variant holds a BSTR. Place the
; }6 z s9 P% p8 C// BSTR into the variant structure.
' X0 W8 f* D: q
# @; ^6 ^+ D$ W/ T% _' v6 y1 u7 ? requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, M o8 T: ^" T; f% h
- }/ d/ [9 f+ ?2 o; [% f K
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 n9 }, e) ?8 T0 K: c* u* g- n VariantInit(&requestVariant[0]);
) _7 f- ~, ~. g requestVariant[0].vt = VT_BSTR;
0 b. r% z! N4 s7 Q9 y% [( {* ?4 s requestVariant[0].bstrVal = itemStr;1 Q1 g" b6 l! f: v
% o' g8 J6 K- Q
topicStr = SysAllocString((WCHAR *) L"system");
3 F4 F0 O2 M- ^' G4 x( O VariantInit(&requestVariant[1]); 0 f T* C& ~& v4 F4 @( {7 V
requestVariant[1].vt = VT_BSTR;$ f0 [6 X# s. ^
requestVariant[1].bstrVal = topicStr;/ i r5 b" H1 [5 f; g; S
}4 v) _: w7 x, Y F
// Set the DISPPARAMS structure that holds the variant.
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) W! h, A: u" p9 C1 a! N0 K( v dp2.rgvarg = requestVariant;
+ f, ~8 ]: @ G( g( ] dp2.cArgs = 2;
0 w5 ^5 ~5 h+ |! n9 _; G9 t4 ` dp2.rgdispidNamedArgs = NULL;+ ^( Z7 X" M7 y: ~# E8 }
dp2.cNamedArgs = 0;
+ c5 L0 l1 x5 j2 M" _: k1 f( b) [7 F
7 `2 S1 b4 Q3 j5 j3 h+ ] var.vt = VT_EMPTY;3 C5 d" Y$ U$ S+ P+ h$ @
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(# B- u; i# F; Y* c
requestID,4 y5 K# E: W) }/ D, O" y1 C$ R
IID_NULL,
9 G( G( p) A2 n; w9 ] LOCALE_SYSTEM_DEFAULT,% ]+ j3 K, {( ?& G) p
DISPATCH_METHOD,
7 H u3 k3 J, P9 q &dp2,3 K: k# s4 B: B7 }
&var,
+ o( d b- E7 A3 M* Q &ei,: L6 t* R/ O e7 }% P3 ^
&uiErr);
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SysFreeString(topicStr);% T8 m; S$ W8 Y6 n3 k
SysFreeString(itemStr);
. k( ]) Y2 ^" G1 G+ `9 ^请问该程序是获得extend里面的哪个值?) q+ l) O& ]6 ` W: M8 a
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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