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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:4 I$ N8 b4 } k/ J0 S
Name = (WCHAR *) L"Poke";
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# B+ Q6 J! G9 D. q- A+ |) u$ V hr = m_pDisp->GetIDsOfNames (
) a6 H7 r! i+ P3 w* E1 I IID_NULL, // reserved
$ r7 `' H5 I# U/ _2 ~- ]) d &Name, // Array of names to get IDs for
9 W7 j6 D* \, [ 1, // # of names in the array
, G; }2 j" Q& { t4 @7 v8 ` LOCALE_SYSTEM_DEFAULT, // System locale
Q+ V2 A) ~/ s &pokeID); // Array of IDs to fill on output
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. r- R' b% W# Z+ n$ k$ J if (hr)
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MessageBox ("Get Poke Unsuccessful");
& \6 i+ ~8 E% D( H; f- d9 N- c* p& @ return;" \, p. a' p6 |$ {
}
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* f- E' B4 F" @& B% P/**************************传递数据给extend**************************************/
7 _/ w* u. T6 p pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 [4 V( k9 W( d$ O8 N
% g1 X9 p; V0 I ^3 ?4 X valueStr = SysAllocString((WCHAR *) L"1232");7 W% ?. b3 f) K" S& c, f$ F1 D
VariantInit(&pokeVariant[0]);
% {- C3 _7 k C( ~" } pokeVariant[0].vt = VT_BSTR;- [; q: C/ H! R
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: O$ \: Y/ U! F1 {: Z$ m8 k4 U VariantInit(&pokeVariant[1]);
$ k1 n% K7 }. K" L pokeVariant[1].vt = VT_BSTR;- D7 N7 o1 r& L# ^1 A
pokeVariant[1].bstrVal = itemStr;
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8 n* ~# [9 k' U0 Q topicStr = SysAllocString((WCHAR *) L"system");2 U$ c) ^4 _' Y
VariantInit(&pokeVariant[2]);
- N2 j! v. S) D7 g+ _ pokeVariant[2].vt = VT_BSTR;
) E( J5 E" v2 I S4 a6 N( y pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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" o" w" u2 J5 b' g dp.rgvarg = pokeVariant;
& ]0 M$ c& k* e dp.cArgs = 3;
% z$ T7 m: o; U& x% D6 P- p7 L dp.rgdispidNamedArgs = NULL;
9 q0 p0 y$ b8 h* |5 ]% h dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()0 T. j( R. ~. f( Q! q
; D) y U( g& }' B- m: |% t& P hr = m_pDisp->Invoke(* f+ ^8 k& @& t3 `$ D
pokeID,
# S% g3 _ I' D8 U$ \- b% O IID_NULL,
4 `4 X0 W( A/ R7 w LOCALE_SYSTEM_DEFAULT,: Z( O; j9 k3 j1 g h9 j) b
DISPATCH_METHOD,' s6 b# P) }( ~5 [3 t6 E9 @: ?
&dp,
5 U- j% E& ^4 p& I( ~6 w7 _ NULL,- S9 ^% e. O4 T" i' e4 O
&ei,
F7 T; e5 u7 M5 r I &uiErr);; N2 Z7 h# I) h) ?7 W
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SysFreeString(topicStr);
; |& Y3 h4 t2 S/ G7 M SysFreeString(itemStr);3 o+ @$ o! q$ l/ p& {3 D( ^
SysFreeString(valueStr);0 c0 T& c) O }& M, [4 O$ Q; Q; k
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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???0 j# |2 g6 \# E P. d# c
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????+ ?" ]3 k k% z8 _
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7 ?8 n( Y% k9 {6 R8 S/ F2.这是request的程序
0 r4 T1 ~# Q) G( ~* A- a' e, N// Request a value from Extend
7 D, N$ {: U* q8 D. O7 v//
9 Q% W' Z( V6 C: @1 q X// Initialize the variant that will hold the BSTR. Set the variant's
0 n5 p9 F: m* x- N// type flag to indicate the fact that this variant holds a BSTR. Place the
7 Y+ w; j0 g+ P% u6 _// BSTR into the variant structure.
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/ l: h$ b' `' W0 ]# R requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);) Y* t" s8 h# E4 `* N1 v8 P" O" c" f
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ y. Z; M! @( G! k0 c; G$ q VariantInit(&requestVariant[0]); / k8 h) c2 F4 Z ~1 S
requestVariant[0].vt = VT_BSTR;) `" R$ ?1 k5 s' }. i) D
requestVariant[0].bstrVal = itemStr;
: N2 [% A* c$ ~ Q( S( e
. q' D. o+ r% h% n& Z topicStr = SysAllocString((WCHAR *) L"system");
L7 R( E! G* q5 ?4 W" r: k VariantInit(&requestVariant[1]); 2 O# O+ X) n8 R$ L- {! g S$ X
requestVariant[1].vt = VT_BSTR;
& h9 Q2 v) R: Q( k5 Y requestVariant[1].bstrVal = topicStr;
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4 X& E2 \6 U3 u' ~0 q// Set the DISPPARAMS structure that holds the variant.
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0 n+ M' u' R {6 R! r( m/ q$ L7 a% k2 f dp2.rgvarg = requestVariant;$ `( Y, C# A! C; o
dp2.cArgs = 2;+ ?# ?; l3 @* m Q: \6 v7 O; ~, F
dp2.rgdispidNamedArgs = NULL;
6 ^8 P9 S" d6 X+ b/ E3 X2 O dp2.cNamedArgs = 0;7 L. r0 S! f% I# v; h0 X& M
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var.vt = VT_EMPTY;
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7 f, i+ _1 x. n0 r// Call IDispatch::Invoke()$ r5 l" B) X& Z" m# _/ t
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hr = m_pDisp->Invoke(3 q, ^: l+ Z0 t' n( i- {5 Z& ~* @
requestID,
1 r) b9 g. b: l; b, v! u) z; u IID_NULL,0 K" R% s' m3 b; F
LOCALE_SYSTEM_DEFAULT,2 X" ]: ~2 Z# m5 c+ \+ @
DISPATCH_METHOD,
0 v4 M( Y+ d* r3 C; i2 M8 ` &dp2,' Q5 N8 m2 z& U# d" e5 P
&var,( Z2 a, S1 G, x0 v; `9 V
&ei,# j5 ~ k% c, H) ^) I
&uiErr);
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u# y4 R* H9 ^6 b9 ~0 c- s SysFreeString(topicStr);
" w0 m7 M5 f; a6 \: e9 E SysFreeString(itemStr);
, \4 I2 M1 G1 A- s. i6 r6 c请问该程序是获得extend里面的哪个值?) P9 X7 [2 A, {5 v+ C; M. A8 f
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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