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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:
- M& e+ `6 f. o2 k& ZName = (WCHAR *) L"Poke";/ G7 K- b/ x9 y6 B* p
% F; f3 z# L0 }1 b6 A hr = m_pDisp->GetIDsOfNames (# P- Q" Y( C9 q2 k& ?( q0 d
IID_NULL, // reserved+ e( K8 @) G# O. F9 Y" E+ f, J6 o
&Name, // Array of names to get IDs for
$ Y+ W0 g5 b: }" r g# ` 1, // # of names in the array
2 O7 j: z& B1 Z' Z LOCALE_SYSTEM_DEFAULT, // System locale
2 R# z" [5 }( d8 |' P; d5 y &pokeID); // Array of IDs to fill on output
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if (hr)
) {. m6 H/ X+ M {$ |9 S# V2 x$ s- N' R
MessageBox ("Get Poke Unsuccessful");2 i; w9 ?& L: J" I l. I& q5 x
return;2 t# l, T) c% _% I' H
}
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. Y: Q0 y1 ^/ W I/**************************传递数据给extend**************************************/
6 Z& [1 A# `/ q2 Z5 l$ ^2 A pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);* k* R) g6 d, ]/ A8 V6 I x
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valueStr = SysAllocString((WCHAR *) L"1232");2 B* V# _% L( ~$ s5 V3 E2 C( r2 h
VariantInit(&pokeVariant[0]); $ D" Z2 [! Z$ V) X$ j9 `0 N- F, ^$ S; J( u
pokeVariant[0].vt = VT_BSTR;' I' J, u0 f: K0 N9 Y
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: t5 t8 ?3 L% W5 Z# a4 ^ VariantInit(&pokeVariant[1]); 5 c9 Q* l& x, I! v0 o
pokeVariant[1].vt = VT_BSTR;
" G2 z1 z. q3 B |7 d+ _7 R |. { pokeVariant[1].bstrVal = itemStr;7 W& D0 J' u9 n& C
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topicStr = SysAllocString((WCHAR *) L"system");
- r6 v, g* s+ g, ^+ Q; n8 r( k5 f VariantInit(&pokeVariant[2]); , Q' v8 U5 V/ d; W6 G U
pokeVariant[2].vt = VT_BSTR;
/ O, V$ ?0 t; y( F pokeVariant[2].bstrVal = topicStr;
% ?! a& Q+ H5 g2 B. U8 q( }4 E, k; Y
// Set the DISPPARAMS structure that holds the variant.
% S: o. U+ N% q3 S' m
3 b: B9 m K) N, A+ m9 s4 V dp.rgvarg = pokeVariant;
# u9 [+ J; i& T dp.cArgs = 3;
9 p* C. z9 b$ J dp.rgdispidNamedArgs = NULL;2 Q! H8 K8 q g
dp.cNamedArgs = 0;
; e- A; E# r* \- w. ~2 B% C4 Y# e, Q K' d3 v l5 j* L: i
// Call IDispatch::Invoke()& M8 T: X- l4 D( L5 w: o7 C
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hr = m_pDisp->Invoke(6 X$ |4 Y" |1 ~$ s/ d8 Q* d
pokeID,# B$ Z/ \0 ]3 O
IID_NULL,- l% {' u1 v; N6 |
LOCALE_SYSTEM_DEFAULT,9 C6 \" K# _/ `' `: {
DISPATCH_METHOD,
# `& P8 w$ C/ l& |2 Y+ {7 a; h &dp,
$ o1 {4 U2 U5 p' V8 a NULL,& u, T I2 ?5 }9 e! X
&ei,
* S: H4 Z* ^/ m: E% v/ f: n &uiErr);3 v5 h& b! [& m8 Y l% L
; l$ V- ?4 B# _2 \' ?1 z( J SysFreeString(topicStr);
_1 T- p; U( [% a* G2 e! ~0 @ SysFreeString(itemStr);7 U. H7 l" c; X! T+ ]# L# C0 r
SysFreeString(valueStr);
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$ R( Z+ S8 h- L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???1 ?9 N/ S- W( V3 G# b
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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9 j0 w: a+ a1 e$ N" H2.这是request的程序
, E) ?* r: r: C/ x" Y// Request a value from Extend1 I; ^0 \- K+ `$ t3 _0 V5 h- H! I
//: Z6 x- s8 ~* W% D3 k% c" T9 W/ Y+ G
// Initialize the variant that will hold the BSTR. Set the variant's& e# b8 m! F% F6 g9 f5 F
// type flag to indicate the fact that this variant holds a BSTR. Place the
. G; a7 ~5 @* i* F' f0 D0 `& x- h// BSTR into the variant structure.
; G$ ~, v- g( U J
9 p5 D0 n E9 J requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
b% a$ x C# ?" J
4 I1 u% D. B( J- G/ ?) g' g itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ x+ i7 V8 }( w$ }" w( P! @ VariantInit(&requestVariant[0]); ( Z* ~) f+ T/ r' c( ], M4 t& W ]
requestVariant[0].vt = VT_BSTR;
9 l, ?0 Y1 b, V3 R8 d8 g& j requestVariant[0].bstrVal = itemStr;# D0 R v2 U6 f2 l
& E5 |/ P1 @6 u8 k- I$ g
topicStr = SysAllocString((WCHAR *) L"system");
E6 M* r. H1 B* w9 j4 I! u7 |: C VariantInit(&requestVariant[1]); + w" b. ]7 Y+ a8 O
requestVariant[1].vt = VT_BSTR;
3 D( D" A. A3 }8 M, \' {1 j+ N requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.9 H$ b4 s1 r8 _* H1 _' C) G& b
- p( r5 m; ]5 E' z dp2.rgvarg = requestVariant;
0 ^/ n4 n& }$ y( t9 r dp2.cArgs = 2;
# f& L" E$ ], W% z* V+ M7 c dp2.rgdispidNamedArgs = NULL;4 S2 j8 W- L9 c& h1 A" A
dp2.cNamedArgs = 0;
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8 d; e$ F e) Q8 q; ~ var.vt = VT_EMPTY;( W7 |7 a& P! x9 M) W5 Y
% p8 _/ o! E2 n' `5 ~// Call IDispatch::Invoke()) G: d$ g( C) Q2 ~) u, h3 @2 d8 Y
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hr = m_pDisp->Invoke(
( Y+ Z* Z+ F; S. l requestID,
- E. \6 N2 Z% }# ^' k5 k1 _# D IID_NULL,. |9 S$ T0 @/ S. p2 I) k! m) H$ A
LOCALE_SYSTEM_DEFAULT,
$ J/ X' w* M( {2 _5 _ DISPATCH_METHOD,+ ?: K. o8 }6 b) }7 p+ s2 ~8 ^ @, u
&dp2,( U. b$ y% ?8 f! e# R% U
&var,
" ?/ f4 j3 R! \ &ei,4 V( l8 } g+ b) L" _* z2 n
&uiErr);
# O+ C+ N$ t, i' m8 i: V
+ T, y. p9 j1 [7 [ SysFreeString(topicStr);
+ D; }9 a7 z+ o! l( n SysFreeString(itemStr);
& h* V- Y8 b- a请问该程序是获得extend里面的哪个值? d* V& p( `9 K% c
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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