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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:
0 H$ t/ }. ^6 R) T; |Name = (WCHAR *) L"Poke";' w/ [& i2 B% k' Z: v! S3 B
7 J3 V$ G/ I4 k( k. o& Y hr = m_pDisp->GetIDsOfNames (, T9 W5 Z4 X& Q0 I
IID_NULL, // reserved
# C& e$ R- ?8 F" u* y5 O &Name, // Array of names to get IDs for( X& J r" `7 S/ a6 ^$ L0 ~! ~
1, // # of names in the array
% ~! Z% J: ?* ~. _# ?, N3 R LOCALE_SYSTEM_DEFAULT, // System locale
3 L! g" n3 p, S9 d7 Z &pokeID); // Array of IDs to fill on output
9 s8 C7 P7 B0 Y: n : S: I- X3 K* W( O
if (hr)! B& q w2 j2 o; g* M
{& a# s2 H' m0 I, \ U( g, a! K
MessageBox ("Get Poke Unsuccessful");
; C7 x9 R4 k0 _# } return;+ g+ ^4 f( P7 h% f4 N
}
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/**************************传递数据给extend**************************************/
3 R' N; x5 b6 z- W pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);) u4 R; b, ~0 q+ D
8 G0 N* O0 U) E4 D- q3 { j
valueStr = SysAllocString((WCHAR *) L"1232");( M! M/ A/ a% y& h* H( O" R
VariantInit(&pokeVariant[0]);
4 X, s+ R9 M$ d: B/ q6 }2 y2 N pokeVariant[0].vt = VT_BSTR;
) X, [$ M% Y" ~. X& |/ M pokeVariant[0].bstrVal = valueStr; F5 ]$ O P6 _ @
( [) i+ p- z7 V# M& ~; B! o itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* S0 @) H' M; D
VariantInit(&pokeVariant[1]); Q# j& Q! f- U; i7 n- Q
pokeVariant[1].vt = VT_BSTR;% C0 \0 z# l$ [# O1 r4 v6 b# U
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
6 p' e* g" _6 I4 p2 }! c VariantInit(&pokeVariant[2]); C$ H2 m' d8 y9 F5 @- Y L% a
pokeVariant[2].vt = VT_BSTR;
/ C2 @8 v0 N% Q+ k7 O pokeVariant[2].bstrVal = topicStr;: q F5 z9 L7 i$ L- \) M0 [
* C9 E6 _, Y4 O a2 s9 C
// Set the DISPPARAMS structure that holds the variant./ F6 B7 E, J6 ? `3 W' z
# G G5 |* B2 i! b) {1 U dp.rgvarg = pokeVariant;
+ X7 X4 n/ c) Q5 k N! u' k1 c dp.cArgs = 3;9 @! D' O( h3 P
dp.rgdispidNamedArgs = NULL;
5 X# U2 K Q3 b- p. c dp.cNamedArgs = 0;
4 r! H1 ?: ^6 w! `; R
% _; C' Y# R7 L9 V7 G- ?7 C+ T5 `+ {, w8 G// Call IDispatch::Invoke()6 |" e+ D9 G! @, `/ z9 J( m
) {: l! C( N" ?6 m$ F hr = m_pDisp->Invoke(; u( K2 E( N7 d' i5 T* H
pokeID,
: x' r) Y p: Z; g( P IID_NULL,) ~4 ?3 j5 o: V5 v+ F# {9 ]4 r
LOCALE_SYSTEM_DEFAULT,
- }( v, [2 |# \; i9 S* p+ P$ E DISPATCH_METHOD,! L" r4 H( R& T5 Y
&dp,
* l" d- L) C' d& u. U" h5 Q NULL,% r( B; G) \ T- A. ^, U
&ei,. P# D. S1 y9 D; T: U1 z" u
&uiErr);" ]+ _! u( A0 w. F, p- {( X" |
" ], _9 _% i7 y. i0 i SysFreeString(topicStr);
6 s$ ?9 N, {2 @9 m2 l% J. F SysFreeString(itemStr);7 ?7 v# C1 y9 q3 B1 }
SysFreeString(valueStr);' B" p! x, x# b8 j) C0 R6 a3 y8 b$ D
! q, ?; `+ o: Q3 F0 j/ g
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???
7 f6 T) U$ v& ~( c# z A. r. 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????
7 K5 \& b/ ?6 ?" G! C5 i7 `, g4 a: \( A0 H. q$ e( B2 Y( t
2 f1 [3 K1 s7 }! u& X2.这是request的程序
; v+ t# D$ m) g3 P7 l' q! h// Request a value from Extend
" Z% g, J/ h$ C1 p//
# T0 E" |; Z7 o( f6 _: Z3 h// Initialize the variant that will hold the BSTR. Set the variant's8 G0 r0 I1 q r8 Z6 h: ]
// type flag to indicate the fact that this variant holds a BSTR. Place the: W$ @2 f \. F) Y, l, g
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
+ ?5 ^% U" n: Y5 N1 y( L4 ~ z2 s & X* p9 E' g( _
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) b- M* { U% \# j" B VariantInit(&requestVariant[0]);
5 A5 z7 u* N# m# m8 G% U2 i( L requestVariant[0].vt = VT_BSTR;" p, i% Y- t! G9 i
requestVariant[0].bstrVal = itemStr;
}9 R9 H) B6 k5 j( w/ l% a
6 t2 v! Q* I# Y6 s8 a topicStr = SysAllocString((WCHAR *) L"system");
( ~& h. M) {- j, }* o0 E- m/ y VariantInit(&requestVariant[1]); ) l- P- v# \6 G
requestVariant[1].vt = VT_BSTR;
6 s6 u" ~6 B% }4 N& } requestVariant[1].bstrVal = topicStr;# Q6 \# Q/ T' A, e, m9 G
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// Set the DISPPARAMS structure that holds the variant., T# [) a( g) ?
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dp2.rgvarg = requestVariant;
+ M: Y/ I; |5 `1 F7 _ dp2.cArgs = 2;$ [: S4 o) ]3 \$ Q P
dp2.rgdispidNamedArgs = NULL;, l- |6 h( Y3 o
dp2.cNamedArgs = 0;
. `5 F* o* G6 C) l" l% ]0 D2 A! z3 z! T1 u
var.vt = VT_EMPTY;
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; G" F1 Z5 B: r' L& t" D% s// Call IDispatch::Invoke()& E' a0 Y) d7 F1 n( D* g6 E
& ^3 R. ~; {. `2 K
hr = m_pDisp->Invoke(5 C3 `$ R# w0 `6 v5 K2 @3 p
requestID,8 b4 t5 Y+ V( j2 x7 F( q- o% c% L
IID_NULL,
6 ^; J" c0 k9 V- |- H( O LOCALE_SYSTEM_DEFAULT,5 Q( v" n4 z* [/ z; g+ R
DISPATCH_METHOD,
& ]7 i. ~; ?& ~* z &dp2,$ W1 \. N/ t5 Y, g* |8 v
&var,/ @( J' A# ]6 U
&ei,
& q6 M9 ?- e# `; B &uiErr);
4 q, N, A$ ~! \- P
8 }( C3 ?6 M# G, D: {* L SysFreeString(topicStr);
; _/ j5 b+ d6 d9 ?0 ~& Q SysFreeString(itemStr); L! b8 i. A; U
请问该程序是获得extend里面的哪个值?+ e x8 d" v9 `. @
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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