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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:1 X) Q J! S" D& v% v H D0 ~
Name = (WCHAR *) L"Poke";
& t, F1 L* O( t' w & d" O& K7 V* p3 |, D7 U
hr = m_pDisp->GetIDsOfNames (
% L! N3 ^4 r. W IID_NULL, // reserved
4 N! @5 T7 S+ }, ~: I &Name, // Array of names to get IDs for
$ X+ c' l5 V: [- e# w 1, // # of names in the array
* w) d1 ?* Y1 x" B# ^9 }3 ~ LOCALE_SYSTEM_DEFAULT, // System locale
& F0 I5 ~$ q6 a& T9 r. c0 I6 } &pokeID); // Array of IDs to fill on output$ b5 L$ ?0 Z/ b+ S; U$ o7 k6 e
. z& o+ F! z. V* d; g# [# x1 s
if (hr). r" p, e5 Q3 a0 J/ ^
{
7 R& ?' ]" R/ N- _ m MessageBox ("Get Poke Unsuccessful");5 F2 a# H! g) A
return;
C+ X9 Z0 R) Q0 A }
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+ A& p s* {" W) y$ d/**************************传递数据给extend**************************************/
/ c8 @; m/ S& |0 C7 C pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( R, s* S" A4 M, b2 _9 j
, z; T$ b+ M% c/ d valueStr = SysAllocString((WCHAR *) L"1232");$ y7 @+ q9 a7 W/ \$ q% c$ B/ f
VariantInit(&pokeVariant[0]); * T, \2 C7 W9 \, J& l: q
pokeVariant[0].vt = VT_BSTR;
4 h+ K" a3 Q5 G9 o/ j# b+ l pokeVariant[0].bstrVal = valueStr;. D0 r/ L4 ~' J( d J2 a
0 F% ?3 u5 j3 _1 |! T: h itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 U% ?; f- N2 s& R# S# x VariantInit(&pokeVariant[1]); * W# v, o8 [: S# O1 ]8 `! r; Q6 B
pokeVariant[1].vt = VT_BSTR;
, C4 ~1 E7 O0 |# X- H pokeVariant[1].bstrVal = itemStr;8 M T8 F" a1 N, C
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topicStr = SysAllocString((WCHAR *) L"system");
! W) J7 R7 t+ B. I; t9 j5 m) e VariantInit(&pokeVariant[2]); & |0 H- F; M3 ]/ p
pokeVariant[2].vt = VT_BSTR;
" U4 j E; Y a' {1 F pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.+ L. D6 J- j; P9 _7 u5 E! l/ O+ V1 O
5 E/ i, `- h4 R% U+ ]3 U- G+ g2 i1 e dp.rgvarg = pokeVariant;
7 S8 M; G h" L5 n: Y. e! J( u dp.cArgs = 3;8 Q0 D+ A) @9 s4 w* P
dp.rgdispidNamedArgs = NULL;9 l: U# Z9 d" R+ ^% k
dp.cNamedArgs = 0;9 e' a4 R% @: x+ m
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// Call IDispatch::Invoke(); |1 w8 D5 \& l4 ?3 r8 C( y
8 x6 G/ W0 c/ N# _ hr = m_pDisp->Invoke(# x0 U% [* x2 ~+ d
pokeID,8 p# d* J9 S+ z( L
IID_NULL,# z5 y3 h- C* \+ f, f
LOCALE_SYSTEM_DEFAULT,2 _1 u7 c! v% T1 r
DISPATCH_METHOD,
' \; Z- j. `) X &dp,
+ h( L% m4 G4 t* ]& q/ {1 Y NULL,
1 x. Y# c1 H+ \. f &ei,
, I8 p, y" x9 z _ &uiErr);' ^" k# K( ~% U. C& k7 E
7 b3 O5 v% S/ e) c, D SysFreeString(topicStr);" E5 y$ L& @+ n! M' x/ o
SysFreeString(itemStr);
* I% z, _8 C- N4 o* b: } SysFreeString(valueStr);
+ s9 Z+ u {; v# b% t, P' {, d: g7 a7 u4 `( E* K& u9 Y7 Q0 @; t
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???3 q7 \ C) H0 Y8 D; e$ E: W
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????) f8 G5 {, J- P) L, ], s. T
1 Q% g# V8 P8 b4 x8 D6 F$ A3 ]
2.这是request的程序
; ?3 u0 }- J7 V7 u8 a9 v// Request a value from Extend
* y) a7 q; s1 i( T/ `2 l% f4 T* d//
) M i. b$ ^/ {- W+ ~% F// Initialize the variant that will hold the BSTR. Set the variant's; D5 b& u6 n2 h# L+ W2 F$ @/ e
// type flag to indicate the fact that this variant holds a BSTR. Place the
$ M4 C9 Z3 A8 q l, U// BSTR into the variant structure.* \' n/ ?) \8 Q5 j, m* [
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. s4 t" Q; }' @$ W! Y6 z3 k VariantInit(&requestVariant[0]); * s7 c4 S3 I0 F1 @% a7 k( B
requestVariant[0].vt = VT_BSTR;
, i: f" O9 t) E# M requestVariant[0].bstrVal = itemStr;! s% D: ?6 {1 c: G8 r2 E
" I' G2 R( }) M. y3 L topicStr = SysAllocString((WCHAR *) L"system");
0 z3 K1 l4 f5 r7 m VariantInit(&requestVariant[1]);
j& G- H1 {& l$ w0 O9 V: f0 @# Y requestVariant[1].vt = VT_BSTR;9 W( Y! x9 f7 q7 }7 {
requestVariant[1].bstrVal = topicStr;( C) @. n: i1 N/ y4 ]0 Q
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// Set the DISPPARAMS structure that holds the variant.
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( O, E4 }% q* d$ i) P dp2.rgvarg = requestVariant;
7 J7 A3 A6 o: B" p2 t+ [ dp2.cArgs = 2;! T, m' I$ s9 v) k& K8 r4 @
dp2.rgdispidNamedArgs = NULL;
: v5 {* c! |0 @0 \ dp2.cNamedArgs = 0;. H# C. p- f, _
, T$ I+ x8 L2 F1 m# T1 L+ Y4 ~9 q var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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* q9 G) ~5 }6 ^5 W3 i2 V hr = m_pDisp->Invoke(
, t/ `: O& n/ C! m" b" A+ } requestID,
7 N+ W% B# z1 | IID_NULL,
+ l" ^" U3 z: S% p1 x LOCALE_SYSTEM_DEFAULT,
9 |* I7 x* _: _/ q# p+ Q" H# @* ` DISPATCH_METHOD,; P8 W# f/ {: H3 ]# Z# u
&dp2,
9 L8 m0 e2 o; T% M. u) ]; S &var,
) s$ R; l/ I9 I( A &ei,1 F/ E( H1 E3 g7 G# G; n
&uiErr);2 o) ^6 L# w- G! J* M6 ^
$ ~* L3 H2 f! F/ F6 y7 ]7 U& _) a# ? SysFreeString(topicStr);2 ?7 g6 y+ e. b, V7 d
SysFreeString(itemStr); V$ w4 O( `% a
请问该程序是获得extend里面的哪个值?! ]9 |6 i) F1 ^* Z
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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