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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:
; z- G; U" K# J0 M( IName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (& z7 i5 F) O, z" `0 Y
IID_NULL, // reserved
% d/ ^" T+ o, ~& v$ Z &Name, // Array of names to get IDs for
& H' r( ]6 b G 1, // # of names in the array9 w" f' [" ~* i
LOCALE_SYSTEM_DEFAULT, // System locale
" W0 F0 \0 K( T% U. n &pokeID); // Array of IDs to fill on output* H( @8 Z' z% a, }0 L$ ~
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if (hr)
- ?* Q) z1 Y+ V0 s' Y# I {
6 y8 U7 Z- b7 }6 }. L MessageBox ("Get Poke Unsuccessful");
4 P! o+ Q! b% t( n7 A3 B return;
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/**************************传递数据给extend**************************************/
# O" a) i) V1 a4 |' z2 A' { pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
% o, N* V& b: P8 h C1 r( E . W( W- r5 w' F4 v6 K% a; X0 w) \- Q# _
valueStr = SysAllocString((WCHAR *) L"1232"); q( S( u1 S) p6 |7 b) o: _% _: p
VariantInit(&pokeVariant[0]); ; W: ]- B* @% E) M% T/ p4 q
pokeVariant[0].vt = VT_BSTR;9 `( Y; C( g& y2 [0 e5 }8 V1 [2 G
pokeVariant[0].bstrVal = valueStr;) ~. {- O/ _% c2 X( ^
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 T" Z( w: I @( Q6 W$ ^, k, ~ VariantInit(&pokeVariant[1]);
, R2 m) E% r7 {5 u6 M7 t* ? pokeVariant[1].vt = VT_BSTR;/ n5 L7 z8 M: S4 D B
pokeVariant[1].bstrVal = itemStr;
# H2 L) x3 N5 k* s+ f- X* v$ u. }, e
topicStr = SysAllocString((WCHAR *) L"system");
7 ^- p: Q3 r9 V; L VariantInit(&pokeVariant[2]); ) z5 B. q6 M- W1 o I" j- {
pokeVariant[2].vt = VT_BSTR;
& E* d7 c2 ?4 A# `8 l2 o) g pokeVariant[2].bstrVal = topicStr;
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/ W& o H1 z( S& t$ W7 u4 \// Set the DISPPARAMS structure that holds the variant.
% X. s) X* V; ~0 k
% P7 Z+ \9 L) P) s/ I: S dp.rgvarg = pokeVariant;
" O1 c1 c1 k7 a; {4 i, ?/ Z. U dp.cArgs = 3;+ v7 l3 ?' _: @% r- B
dp.rgdispidNamedArgs = NULL;
7 v/ s( v9 m5 p% ` dp.cNamedArgs = 0;# Z1 D s; |! L; L
8 S5 [# }+ {3 \1 Z, w( x4 {& o( N// Call IDispatch::Invoke()
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2 x3 F% n+ a' I4 K# d9 I8 g. z hr = m_pDisp->Invoke(/ M9 ~6 C+ n! t& L) f3 L0 j
pokeID,
2 j7 R5 f, H- ^# L) P1 \ IID_NULL,
# z+ j3 i+ Y4 U4 O2 w+ j' I- B LOCALE_SYSTEM_DEFAULT,7 f/ A" ?+ D! {5 f/ q
DISPATCH_METHOD,$ S1 L w4 p) u9 G/ V* J( v+ T! U
&dp,
0 Q. _, Q, X5 h0 o1 l NULL,4 z( I3 b* k6 r
&ei,. x" q& Y6 o6 {
&uiErr);, V0 k5 \! W+ i4 G
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SysFreeString(topicStr);) S5 E. r# Q C* Z( n F% E
SysFreeString(itemStr);/ H1 e9 B% C8 J
SysFreeString(valueStr);
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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???# r" B6 c: l ~- A0 [& m2 ?/ {; F
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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# l$ T/ f: U- N2.这是request的程序
1 b# W6 U$ j3 ^% K) K2 L0 P// Request a value from Extend* V/ P4 g: Y& b! x
//0 n' f% N+ g8 ?2 \
// Initialize the variant that will hold the BSTR. Set the variant's
9 w- U# n( N- ]: H; C2 \// type flag to indicate the fact that this variant holds a BSTR. Place the
2 K3 Y3 k S! U+ _3 q" U1 I" ]// BSTR into the variant structure.0 ?0 x& D: F8 ? c, B0 M3 T, |
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);4 O9 n) z5 ^" a0 @9 M
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 c! x1 \, i* E: t5 e
VariantInit(&requestVariant[0]); ) R9 X+ b4 m: D
requestVariant[0].vt = VT_BSTR;
1 S* j5 j6 o9 v6 ^1 l requestVariant[0].bstrVal = itemStr;# E7 W J' t. n; G0 x! l- [
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topicStr = SysAllocString((WCHAR *) L"system");8 ] { w; Z" t/ n Q
VariantInit(&requestVariant[1]); _5 z/ z, k7 M: e8 u9 A; ~1 h
requestVariant[1].vt = VT_BSTR;
* m: F4 W* K, h# v7 L0 ] requestVariant[1].bstrVal = topicStr;
# l7 @, T* }# ~2 W1 A2 b$ X6 h2 V5 A
0 y) U: j( u( ?// Set the DISPPARAMS structure that holds the variant.1 g! q! n7 \ c
! w) E6 W8 B+ G0 U7 L8 o8 |# m
dp2.rgvarg = requestVariant;# x) U2 n+ S, c; s. I
dp2.cArgs = 2;4 r1 }5 m3 n, `2 T( H
dp2.rgdispidNamedArgs = NULL;
: X$ N: l4 B# ]/ g9 x4 }& q dp2.cNamedArgs = 0;) z% E% \; P; W9 m6 E2 Y. B
, y0 b: G# ?7 E+ w j var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()# O* n4 `2 [% k8 ^2 G& u. x. ?
' I- H( \" c, f' L& i7 } {1 I6 b hr = m_pDisp->Invoke(, e2 J( w6 |! r; D- Q0 ~
requestID,
c( z1 g4 L) E! Z! | IID_NULL,6 T0 i9 C0 w+ c: o' I
LOCALE_SYSTEM_DEFAULT," K3 E- F3 T) f$ @/ l% p
DISPATCH_METHOD,
: C9 P0 R. ]! I% Q &dp2,* O# i9 H q* g; C$ q, G
&var,/ V8 k( C4 V4 b/ j8 \. |
&ei,
* J4 [3 }' b( R( g; L$ d$ x &uiErr);+ Q Z Z3 b2 [/ \) d
" ^' m( n @. j. T SysFreeString(topicStr);) k8 J$ Q1 {& u* W! N% v
SysFreeString(itemStr);* Z4 V! u( M# F
请问该程序是获得extend里面的哪个值?
, w" e- q 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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