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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:* P) ~( X% D+ u" V* }* `2 y
Name = (WCHAR *) L"Poke";
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+ y# M% ~! C2 \ hr = m_pDisp->GetIDsOfNames (
5 H, M0 L. D+ X6 Z IID_NULL, // reserved- @8 B* C# O" u8 p5 @
&Name, // Array of names to get IDs for7 Q% x$ J9 E, x8 ^8 S
1, // # of names in the array
) Q% N% X; q( J- v9 f: |4 h LOCALE_SYSTEM_DEFAULT, // System locale8 N6 _7 |0 n8 j0 |) V) G5 ~2 Y3 |
&pokeID); // Array of IDs to fill on output
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if (hr)7 m* D' Y1 J5 w
{
: b& K9 B6 L8 w5 l) _& m [ MessageBox ("Get Poke Unsuccessful");) J6 Q) h# N3 o9 F, L1 e
return;# K( U% A& u% u3 P8 d5 v
}
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/**************************传递数据给extend**************************************/" V6 L7 }+ c+ {4 y# D
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
8 V0 N1 V2 c+ }
) G/ ?, Y" m* H) g valueStr = SysAllocString((WCHAR *) L"1232");
- \* u( U% @3 b" M3 y VariantInit(&pokeVariant[0]);
7 ~' i4 C3 T9 C/ z pokeVariant[0].vt = VT_BSTR;
4 x8 ?: ?4 R+ K7 z9 Y+ p. [ pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, u5 ^+ x, E+ \9 M
VariantInit(&pokeVariant[1]); ! {+ g+ k9 y) ^; n+ r
pokeVariant[1].vt = VT_BSTR;; x/ Z) h) v4 U g' e# a8 s
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
; M& L) a! v9 Y5 D& p5 c8 ]8 r VariantInit(&pokeVariant[2]); 1 U* |$ g' J/ X! \: |' \0 V3 z
pokeVariant[2].vt = VT_BSTR;% t3 u9 I7 l, J1 V6 z& c
pokeVariant[2].bstrVal = topicStr;/ h6 I3 ?1 C; t3 U) D$ g" c$ N
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// Set the DISPPARAMS structure that holds the variant.1 c" q# m, ~5 U( C, V0 e( [
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dp.rgvarg = pokeVariant;
8 f3 S/ d6 E: h dp.cArgs = 3;
9 @: P# Y9 k& t0 M. P& Z A$ m dp.rgdispidNamedArgs = NULL;) N# F7 ~4 R d, C
dp.cNamedArgs = 0;
* H9 T3 {! ~/ Z& j
6 t1 O3 A$ S( n* m$ ]// Call IDispatch::Invoke(). q% L) ^; q; q+ J
% S" H4 [, @. } V hr = m_pDisp->Invoke(- {0 b, L+ g2 W# W4 ~
pokeID,: N2 n) ]+ W8 X, X
IID_NULL,
7 T7 o$ f# T. Q6 z! H LOCALE_SYSTEM_DEFAULT,
8 w$ i& _2 U8 [! z$ C( S DISPATCH_METHOD,
' ] ` ]# J/ C &dp,. w5 Q+ v! E x x2 j1 }
NULL,
B8 J, Y( V6 s3 |- u &ei,5 l# T! h) `. K, L1 d
&uiErr);
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SysFreeString(topicStr);
% `. H9 i+ k* }2 b7 H SysFreeString(itemStr);
% X' X/ Z S9 {6 N3 \ SysFreeString(valueStr);2 P9 I+ H: x4 }! j' C: j% ~ ]
* Z0 M3 [4 h5 f4 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???
/ I2 Q F/ q) z j3 T0 ~/ B1 ^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
+ i8 h, K. `4 P0 j6 c W// Request a value from Extend
) P9 p! l r. V5 l: [//
7 K1 j) h# ]2 \, W0 h// Initialize the variant that will hold the BSTR. Set the variant's" a2 J3 i, s# i" v' @. N4 t
// type flag to indicate the fact that this variant holds a BSTR. Place the
6 { m! s# n I// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' @% w8 M+ U! e; M' } b$ V* v
VariantInit(&requestVariant[0]);
4 _! Z7 q6 s, }7 A" v$ z/ ] requestVariant[0].vt = VT_BSTR; e5 A3 {$ P3 N$ [; d) C0 V
requestVariant[0].bstrVal = itemStr;% e3 H& G( L; K( H& t: j+ i0 M% J
$ Y6 ?% G; D W' d6 Y: C( }! w1 ?* ~5 v topicStr = SysAllocString((WCHAR *) L"system");8 @8 G$ Y. o4 x& V5 h; {
VariantInit(&requestVariant[1]);
3 _* E9 Q. Y. A- y5 b% L requestVariant[1].vt = VT_BSTR;
+ T. J: j" Z0 E9 {1 d" B8 ` [ requestVariant[1].bstrVal = topicStr;2 D" C$ J! x, @0 O6 a N
* j6 P" |! w {$ K6 W$ s// Set the DISPPARAMS structure that holds the variant.
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) ~; }$ \- k- S# m dp2.rgvarg = requestVariant;" f+ \) T* U; G: n& X) j
dp2.cArgs = 2;
" s8 F5 I2 _$ H5 l$ g dp2.rgdispidNamedArgs = NULL;
) Z# k5 Y2 l1 B dp2.cNamedArgs = 0;! Z& s% H0 m* Z& @% W) E* n
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var.vt = VT_EMPTY;) N! o5 H0 v( C# |
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// Call IDispatch::Invoke()* D+ U5 G. E0 q7 L: u0 |8 P! g
- _; o5 H5 ^# c8 [7 O& d% c' Y hr = m_pDisp->Invoke(
! G2 z2 J8 t1 u' C: s! K0 h requestID,; i" R5 S0 P+ H3 V2 a! D
IID_NULL,+ h8 [6 y. o% _. L1 U
LOCALE_SYSTEM_DEFAULT,0 @2 |# |5 V5 D4 C1 [
DISPATCH_METHOD,$ L5 ^. g( E$ G6 r" y
&dp2,
) G6 S! k- b( U. q+ ]9 } &var,8 S: T/ B \! g! ^+ `2 g/ P) W* O0 a
&ei,
J- i) j. J& P A' g &uiErr); G0 g% u0 L/ r
k; z: a. H0 D( D. A' Z SysFreeString(topicStr);! g1 y/ k8 F4 h$ b
SysFreeString(itemStr);
$ F( D% \! g$ G4 v j3 U- c" n! V请问该程序是获得extend里面的哪个值?
/ g- `4 @- l7 w& N. ?, t6 Z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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