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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$ A) D# _/ b, \
Name = (WCHAR *) L"Poke";7 y6 w3 x [: W# m8 a
+ k, s; T% r0 o) i, A, }8 l p hr = m_pDisp->GetIDsOfNames (
; s( F7 E) x2 ?. J IID_NULL, // reserved% P5 n; z' E5 x3 j- f
&Name, // Array of names to get IDs for+ i0 i$ o' b/ q% N
1, // # of names in the array9 |+ ]& U5 G& h! J- G W. K
LOCALE_SYSTEM_DEFAULT, // System locale
8 C) e- A# a0 L5 s f) u &pokeID); // Array of IDs to fill on output
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8 e+ W$ K) ]. t7 Y* O' t# {, A if (hr)
( a! z1 i$ d4 j# R" \ {
4 ~! P* M* s* X5 r MessageBox ("Get Poke Unsuccessful");
9 @: F( B9 y. y3 ^; X$ } return;3 F+ ?1 o' s z* r) R
}
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/**************************传递数据给extend**************************************/2 T( ~# B5 t* c2 Y$ g- o3 S
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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L) C. Y$ D u/ L' v" v0 F$ d valueStr = SysAllocString((WCHAR *) L"1232");$ P, V( Z% o( J+ t' W- {
VariantInit(&pokeVariant[0]); . B* e: f4 M) q9 O- b
pokeVariant[0].vt = VT_BSTR;6 @3 U( k4 k) m. ], G* z. x
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 d; y* [5 r5 b
VariantInit(&pokeVariant[1]); & r# V( l9 y. G) p7 z
pokeVariant[1].vt = VT_BSTR;
P- e/ z8 B2 ]! ?1 k5 U6 q! f, l) U pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");' H/ V/ X: R4 f
VariantInit(&pokeVariant[2]); + ?$ S. X% T- N8 m5 s8 q+ n
pokeVariant[2].vt = VT_BSTR;
1 m7 p& a+ D' E( N8 Y9 ~2 M9 C5 ` pokeVariant[2].bstrVal = topicStr;- G5 Y4 T" n' V( p
0 y5 T* e$ }8 Y6 @- T) y! M// Set the DISPPARAMS structure that holds the variant.2 T% V9 u/ f& C) Y; D) ]& q
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dp.rgvarg = pokeVariant;
) a+ z. M$ j( D4 o5 [ dp.cArgs = 3;
3 X4 m, J" j& A# {# t dp.rgdispidNamedArgs = NULL;5 n8 J/ p( q: Z" e# s. R
dp.cNamedArgs = 0;/ m, ^% |5 V# _2 F( ^( D
. K9 F" {$ }: b- E$ a// Call IDispatch::Invoke()5 j$ H5 Z2 G# `6 O
8 Z8 R) V: b; n2 j& m' A hr = m_pDisp->Invoke(4 l- w1 m8 k9 A5 {$ ~
pokeID,. i3 z- l, U7 N8 P8 q
IID_NULL,( q/ Q" c& `- h! t* w! D8 l
LOCALE_SYSTEM_DEFAULT,
# i! Z6 M# \ z' Y DISPATCH_METHOD,
1 `+ ]+ E9 I5 i- O &dp,
V! o) L% V( }5 ]) A% F NULL,
5 e' \: ?7 h" _3 y &ei,2 Q* W! y' I- ]
&uiErr);
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0 V% {- A7 D2 M' M% J8 O SysFreeString(topicStr);# l, b, ?8 R/ w+ w; U
SysFreeString(itemStr);* L$ W1 P% b' e( F
SysFreeString(valueStr);
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4 g9 E% V @9 H( s1 z( d$ V* ?- E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???
) s" ~: m7 n( _0 Y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# z) v( I, n3 |9 B) u
// Request a value from Extend$ M ~( z! ^, @/ p* ]: S
//
9 t/ Z) u0 [# d1 I// Initialize the variant that will hold the BSTR. Set the variant's
& e/ l' J( T5 D9 P! n! K// type flag to indicate the fact that this variant holds a BSTR. Place the$ R/ \: d; x: w* d9 ?9 \
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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6 s1 r8 Y# T: q. |0 I/ i2 R- f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 O. V, L% `5 z/ v7 R9 I9 Q VariantInit(&requestVariant[0]);
9 [8 {, t1 W* a" p7 P4 a requestVariant[0].vt = VT_BSTR;
, |5 R2 h3 r$ v& y4 x requestVariant[0].bstrVal = itemStr;! E- g, u3 L; t7 V
, e, ?' a R# O3 [% ]' @; c topicStr = SysAllocString((WCHAR *) L"system");
7 K& h' ^; T u VariantInit(&requestVariant[1]); ( a# ?$ d$ X3 j2 W! ~* a
requestVariant[1].vt = VT_BSTR; F3 `4 M7 V$ _4 X6 i: E* _, E
requestVariant[1].bstrVal = topicStr;. R4 l2 o& V0 L, n9 l& Z5 A4 a
9 d% H# G, N3 P0 }// Set the DISPPARAMS structure that holds the variant.! }7 [- f. d3 f9 m
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dp2.rgvarg = requestVariant;( ^3 U; P- q5 {2 d$ b
dp2.cArgs = 2;. H, P; B# R! O6 Z, X3 b& A
dp2.rgdispidNamedArgs = NULL;
8 p' V! d9 C6 }, _ dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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, W% S3 J S; M2 ?2 ` hr = m_pDisp->Invoke(
$ V U9 a8 I. ^ Y5 L2 f1 z requestID,# ]% [$ L% L' ^- h) g
IID_NULL,
9 L9 Q1 y! \( a2 V$ w( T LOCALE_SYSTEM_DEFAULT,
: z* t* @* {7 ~1 n' R0 H' H DISPATCH_METHOD,# k4 q' L' y9 h' ]9 v
&dp2,; u5 D& _% B+ e1 t" E/ f2 v, u+ ]
&var,# t8 F# C6 `! @2 ?& [$ z( }
&ei,; A# u1 A2 B3 i* r# y
&uiErr);& D! @- `. p6 J" X6 C8 ?
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SysFreeString(topicStr);
# \& L: K1 v$ a SysFreeString(itemStr);
! @* b$ H- O' e2 c请问该程序是获得extend里面的哪个值?
3 `0 B. R! b, R+ P! o V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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