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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:) v' w/ p9 L* `
Name = (WCHAR *) L"Poke";% ^, Y# q; Z! a# ~
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hr = m_pDisp->GetIDsOfNames (
; z1 G8 W& l8 d8 n J5 o9 [) o8 J IID_NULL, // reserved
, L5 Y: B- l( J/ W, s &Name, // Array of names to get IDs for" u$ [- ?% e6 P& M5 X
1, // # of names in the array
^5 X3 }- O" Y. S) y. C% ` LOCALE_SYSTEM_DEFAULT, // System locale5 W2 P" N1 c# w, y5 n# n* e" b7 N D
&pokeID); // Array of IDs to fill on output% _7 D0 V6 L' d; N" N. e$ M' l/ P2 \7 K5 |
! u U# \3 U0 {( w& C6 P if (hr)
& D. r& v6 D' C. z {
I' a+ v- r- m9 {# Q! J MessageBox ("Get Poke Unsuccessful");
1 {3 ^ \# d+ u return;6 h% _1 _: _3 ~; @( Q( j b$ |
}
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/**************************传递数据给extend**************************************/; L$ b% P7 S0 P& f# E, w6 ]
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);- B- k6 Q9 f! E
, \6 a" F5 f1 R9 k) X! v3 e2 H valueStr = SysAllocString((WCHAR *) L"1232");
3 t/ k1 u& e4 }; C VariantInit(&pokeVariant[0]);
' t) I- Q$ ^' v' [% G& K pokeVariant[0].vt = VT_BSTR;
4 M" ?; X( a- _3 @3 u pokeVariant[0].bstrVal = valueStr;- b( l9 P% z* e! u5 ~6 ^
* Z% H: k0 J$ ^0 F; ?8 Y" k
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 B; M; c+ @, n( P" } VariantInit(&pokeVariant[1]);
6 y% n! m7 G/ e7 f pokeVariant[1].vt = VT_BSTR;
) c a" G$ z7 S) E0 _ pokeVariant[1].bstrVal = itemStr;
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( ^% p! g# ` f$ x6 I topicStr = SysAllocString((WCHAR *) L"system");6 p' k% }" Q( {5 d! q5 u! y4 q8 Z
VariantInit(&pokeVariant[2]); ; P x( Q; Z( Y3 |1 g$ o
pokeVariant[2].vt = VT_BSTR;
. ]+ W3 C: z' [$ M/ \3 N pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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# Z( H9 Q$ |5 a: S/ U dp.rgvarg = pokeVariant;4 F% o. z; s7 f9 I( C2 v ]
dp.cArgs = 3;, j* N* a8 Y8 H
dp.rgdispidNamedArgs = NULL;" `' K& K0 q$ u: w: }
dp.cNamedArgs = 0;
3 \( A2 U X9 `+ J, u/ I) W1 h& y1 h$ }& J# u1 }. |) X- J
// Call IDispatch::Invoke()2 V! h! M5 t" a$ Q. _
/ f# o2 w' f! t/ Q3 ?, k hr = m_pDisp->Invoke(
7 y+ W/ R# M h1 I' P; Q pokeID," U4 {3 _2 E0 E/ o7 G+ b/ a
IID_NULL,5 P0 o7 w8 A7 i0 z- g; [6 W
LOCALE_SYSTEM_DEFAULT,1 x: o; y" d( I* Y* _: R5 E3 P8 P
DISPATCH_METHOD,9 A- C4 H ^8 I% P2 D
&dp,
% Y' j8 U" m r5 P NULL,
* M! j- F# ~$ P. g& H &ei,- T4 v) R, h9 M# x7 c8 L8 S6 G
&uiErr);
" N4 q2 l8 V- F. N; a" w7 j$ B5 y5 O# Q @. t" e. k
SysFreeString(topicStr);
$ ~, O% r, l ^# r* q6 M2 i. @ SysFreeString(itemStr);
/ u1 v1 A# |- D6 H+ F1 N SysFreeString(valueStr);4 q) J, L5 B8 _/ K% d
( _' K T4 D, i, W* j E0 w
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???
9 u, {* D0 N' |3 [! {: [9 @1 g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????
2 a o/ T+ f: d
7 i8 V' O( \ b$ i' g, ^7 [, _) n( z
2.这是request的程序
( K$ s4 V8 E; r: h* B// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
% Q! v0 g$ d1 C! `$ J// type flag to indicate the fact that this variant holds a BSTR. Place the
/ _2 O" b% Z8 d3 c// BSTR into the variant structure.
% ]' {+ d' B/ N4 D. b/ M* G" t# @. C
- i/ p7 o0 Y' ` f, R7 Y requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 y4 L6 @$ r, d% s, T1 x v' Z
) B7 ~6 ]7 { H7 ~3 M
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- n. j6 ?, f) H) }
VariantInit(&requestVariant[0]); 7 V3 F( m- I* N' F" M A
requestVariant[0].vt = VT_BSTR;
1 f7 w4 A' a8 b8 [ ?4 ` requestVariant[0].bstrVal = itemStr;
$ R ?, w i6 A5 p' u9 I! U' ]4 U# B. d. S
topicStr = SysAllocString((WCHAR *) L"system");
" n* p; m+ H3 `& ~( S2 S: Z3 f* v VariantInit(&requestVariant[1]);
, m) \0 C) X! K4 P5 h requestVariant[1].vt = VT_BSTR; W/ C6 |% h; y3 {: m0 e, S( K2 S
requestVariant[1].bstrVal = topicStr;; a5 A* Z5 P3 r
; r( e0 G: v$ j: [! c1 ~8 f4 C// Set the DISPPARAMS structure that holds the variant.0 b" O6 P8 H7 _9 ^5 D1 B3 @% u
* Y- L/ C& ~4 p/ c2 u# z
dp2.rgvarg = requestVariant;! M- W: K; v6 I# H% X
dp2.cArgs = 2;+ U# @6 k5 q% N+ Q' l
dp2.rgdispidNamedArgs = NULL;7 [- `' k: b! H, E( @8 b
dp2.cNamedArgs = 0;
& e: ^/ F$ R$ E
6 ]0 I$ Y% ?) `$ ? var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke($ k. w9 J U1 G& n) T$ G% i
requestID,! i+ V m4 U+ Z: _% q T0 c B
IID_NULL,6 h- f! f+ e4 z* ] j9 r# \9 [
LOCALE_SYSTEM_DEFAULT, N' ?$ ]/ {; |2 ?
DISPATCH_METHOD,
# {; k1 @& m5 P4 X; m &dp2,! Y( X; k! V. {; U7 m6 N
&var,
# w& `: X- e( ?5 [2 ?( ] &ei,
, A3 y+ T5 R; } &uiErr);
3 n @ X& a6 m) x
2 M/ x m7 m9 W SysFreeString(topicStr);. S& x2 G3 u! q3 ?9 ^4 y9 S; w
SysFreeString(itemStr);4 l. k' a! n& s5 j4 K' C, C; C: t
请问该程序是获得extend里面的哪个值?
: {8 ?/ n4 u: t) V3 m( t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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