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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:
* I1 C3 R& X( U: S+ QName = (WCHAR *) L"Poke";9 R3 i% |% w( \1 x- {! m& c6 `
1 I+ s2 B, R1 {3 f hr = m_pDisp->GetIDsOfNames (
- |6 u" |0 d. N* b6 d4 N: G) Z' f IID_NULL, // reserved
0 |0 ?$ {. v2 z2 n4 @! v$ | &Name, // Array of names to get IDs for
4 Z$ P8 o; N; \2 ]0 e1 q3 n 1, // # of names in the array
9 p& Q( y5 Y$ o+ r& } LOCALE_SYSTEM_DEFAULT, // System locale
( f/ u/ B- s9 x* e &pokeID); // Array of IDs to fill on output
. f) R9 O6 k& U) S6 E6 s. p
/ q1 g! [* q; T' v" c% o/ {; m if (hr)1 ]& n; C* y$ D" N) K& j
{
W7 w( c, u% F) R MessageBox ("Get Poke Unsuccessful");
: x+ m( p* m {- m9 n- j return;
! L' L; H8 f' \/ G, S1 y }
; F, Z& j" i8 d( {9 o6 S
( T$ a/ D$ H7 U, J/ O: S/**************************传递数据给extend**************************************/
9 o' F7 C$ M- O+ v: x: Y* ^! k* F pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
0 A/ A) M; c/ ]$ Y0 T$ t * ~- H; z8 G7 R
valueStr = SysAllocString((WCHAR *) L"1232");
! r; z3 _/ H# e9 Y* x& t: N4 M VariantInit(&pokeVariant[0]); . h; T7 Z% R* {" V, L% v2 t: e% M
pokeVariant[0].vt = VT_BSTR;
& A5 M+ [- \2 w% }( b& e- D1 b" a pokeVariant[0].bstrVal = valueStr;
7 c+ a. w5 Q9 l" z. v$ I
' _% l6 Q f5 t) Y: B& J itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 \$ I `; [/ }* q& N VariantInit(&pokeVariant[1]); / h8 F: @( u. x9 _' P& |8 W
pokeVariant[1].vt = VT_BSTR;
; S" m9 `% ^9 X$ ?1 X! B pokeVariant[1].bstrVal = itemStr;
& l8 C9 A1 b w# p+ _# c& ^# ^- \2 w ^
topicStr = SysAllocString((WCHAR *) L"system");
7 d2 Q" M* t! [ VariantInit(&pokeVariant[2]);
' s9 Z" G3 F/ W2 h6 a! k pokeVariant[2].vt = VT_BSTR;0 @1 {! F; F6 z( E1 K# a
pokeVariant[2].bstrVal = topicStr;/ m" r7 L8 \$ G/ z
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// Set the DISPPARAMS structure that holds the variant.
+ W6 W: u! C+ e& ~, q7 Z
5 h' A/ q. F4 Q% W! o dp.rgvarg = pokeVariant;
7 t) w7 n' a8 V# V v- O dp.cArgs = 3;2 _, g( M7 f1 N: t: p z( D
dp.rgdispidNamedArgs = NULL;
8 D1 s' X' d7 Q- `/ t6 N$ U dp.cNamedArgs = 0;
* G5 a" d, f) C
6 B9 [( q3 r' y+ [// Call IDispatch::Invoke()/ O3 ?% }7 u& T8 u2 C* \8 [. i. |
4 h1 }5 Q& o( M9 W# `8 a5 c hr = m_pDisp->Invoke(
+ o0 C- Q/ j& W& s" O) b* A8 `- \ pokeID,
: y; a" \' h; B7 W1 Q# P- ~ IID_NULL,$ `7 ]' |4 y( @
LOCALE_SYSTEM_DEFAULT,
: D0 h/ W# I/ c' u; y. U DISPATCH_METHOD,9 J+ m0 @+ m/ n* ?. X
&dp,( E8 C4 f% `( {
NULL,
& l8 L2 s! N. Z: \% s: ?8 L) m3 z &ei,
5 {8 ~& a1 y+ M &uiErr);# O/ J% H4 B5 e
1 S$ V1 X* \! d% W i1 E4 I SysFreeString(topicStr);2 Q K F9 Q$ a l r* ~$ m( r6 Q
SysFreeString(itemStr);
, E! f( v: G& o/ j SysFreeString(valueStr);3 b7 O1 a: M& q
) Y; V2 h5 L/ F6 t2 ^0 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???0 O% y U$ e3 Z! A! t
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???? l# \6 I; B3 R2 t8 B# T1 Q
6 ^; ~; g# u0 i5 F
+ A: j0 v/ n7 p& h, W2.这是request的程序3 O/ X/ L& w: f. m) N6 p2 X+ f
// Request a value from Extend
, P. k/ d$ C1 Y" I) |$ h+ z. k$ G//
* r+ Q$ m5 @8 X x; d3 G' N% F// Initialize the variant that will hold the BSTR. Set the variant's
, D2 D" i, C' s L; k6 |// type flag to indicate the fact that this variant holds a BSTR. Place the
+ B7 F4 y9 A% g// BSTR into the variant structure.
/ ]1 f* A2 F% ?# T1 |% A/ w+ O1 Y/ Q2 Y
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- @* i! _$ i# }& b$ c VariantInit(&requestVariant[0]); % Z/ e: H! I4 s4 Q
requestVariant[0].vt = VT_BSTR;7 g) X6 ^2 v7 c/ Z3 T
requestVariant[0].bstrVal = itemStr;
" k; W' n5 `/ M
+ k, b! d8 e6 |! F topicStr = SysAllocString((WCHAR *) L"system");+ {( N- d9 ~5 W7 j1 D5 b
VariantInit(&requestVariant[1]);
) `$ e+ x2 b0 m: \! w7 j requestVariant[1].vt = VT_BSTR;( {, ^6 @# U8 a
requestVariant[1].bstrVal = topicStr;
! S- p5 {, g5 x) n
7 m0 X6 s5 c! J% Y' `3 T {+ j// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
9 |0 U) X' y3 Z: `, @$ b' n$ i5 P dp2.cArgs = 2;
; i3 w6 c! [0 y+ G+ z$ J( j% ] dp2.rgdispidNamedArgs = NULL;' W( A* F8 D, ~" i- R3 p& [! h; ^
dp2.cNamedArgs = 0;9 e5 x# @! l0 E* b
) R1 D! z$ ^. ^5 e3 W8 s var.vt = VT_EMPTY;6 g+ ?0 W2 P9 a2 j* w5 E! Q( k
4 a4 o$ I7 h/ s9 k9 i' N// Call IDispatch::Invoke()# {! V6 L5 A( D) ~& h1 A- c
' e, D \1 E& j6 Y; i hr = m_pDisp->Invoke(
Z- d* d& U9 d3 C3 I requestID,. O3 x, J: ~ g& f# H; z1 Y
IID_NULL,2 B* _. Y7 C7 x2 [2 w! H
LOCALE_SYSTEM_DEFAULT,
( W1 o: a4 K: G; ^: Y' I DISPATCH_METHOD,
/ I* O* c7 j9 W0 a" W. r- ?: a6 m1 [) K &dp2,/ O8 ~5 y( u, l: R/ Q: r+ Z& ~
&var,
8 q( J! H4 v, X9 X( i( G &ei, k0 m- e5 Y G; e
&uiErr);2 e" J( w, D, k4 N4 H
1 |' u4 m2 r) z. ? SysFreeString(topicStr);
- [- P7 R/ s3 Z7 W" X V- x& Y, @ SysFreeString(itemStr);# q4 Q% k# [" Y% n
请问该程序是获得extend里面的哪个值?
- M g+ y0 \6 D# X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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