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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:) r7 f! c& ?+ Z- }) [6 l; b
Name = (WCHAR *) L"Poke";
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: X3 \7 W/ Q; G+ Y hr = m_pDisp->GetIDsOfNames (1 O* |" O/ ~4 j, h, J
IID_NULL, // reserved
8 ?; d9 ~8 o/ Y# z. w+ _( l( A &Name, // Array of names to get IDs for* m# {" z" g# C& s' z
1, // # of names in the array e$ h; l( K! ]( p3 K {. Q7 p
LOCALE_SYSTEM_DEFAULT, // System locale
$ I/ D8 f# R4 h( j &pokeID); // Array of IDs to fill on output
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if (hr)
; W4 n) @ w4 Y- ], T% [: ^ {
6 Q+ @2 t7 j3 {' V4 S MessageBox ("Get Poke Unsuccessful");
3 }+ l+ G$ p4 [! h1 N return;
, Q* e) L9 |3 Q0 ?5 b; b }
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! Y; n* V3 P8 b1 T- Y, U# w" e) y/**************************传递数据给extend**************************************/
3 R: n# O, J9 `; d! `& N pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);& v! w% ?1 N6 {7 U F* r) H8 J* u
0 s" I2 o" f' h/ z, ~* Y0 {
valueStr = SysAllocString((WCHAR *) L"1232");4 I& c; ]' P. x* m4 [: w |
VariantInit(&pokeVariant[0]); 7 W; W$ i' J8 o
pokeVariant[0].vt = VT_BSTR;* x- K: Q& m/ I% W: t; o
pokeVariant[0].bstrVal = valueStr;0 ]5 r9 n" i9 y4 y; r
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 h. f+ L: X: [+ a VariantInit(&pokeVariant[1]);
" X3 c6 w5 s! v! e6 l pokeVariant[1].vt = VT_BSTR;$ Q; @# f5 ~% n% `6 d5 O! ~( a
pokeVariant[1].bstrVal = itemStr;, B d; Q" n, K" B0 k
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topicStr = SysAllocString((WCHAR *) L"system");& ]# v+ G, T6 J# T
VariantInit(&pokeVariant[2]); $ T" ]: D& I* { P$ G7 i+ {% X9 m
pokeVariant[2].vt = VT_BSTR;
9 ^ t3 Y+ \2 [# S pokeVariant[2].bstrVal = topicStr;6 ]. Y3 j f) T
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
! {) V: L [* s* z6 n" ~9 ]& | dp.cArgs = 3;
4 R3 o" `' `& T2 [! B# P dp.rgdispidNamedArgs = NULL;
8 I. b8 A$ a2 O+ d N8 l dp.cNamedArgs = 0;- u! c* B l5 o3 ^* _# c# s
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// Call IDispatch::Invoke()
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1 i; i$ l, H+ w [ W1 P; {1 a3 _# | hr = m_pDisp->Invoke(/ j$ M$ \) d u4 @. j
pokeID, d/ c2 z. \8 j1 |" D# |$ u4 s
IID_NULL,) k6 z% T5 @+ o( M
LOCALE_SYSTEM_DEFAULT,
) S( i. K( r1 {$ d+ c+ w; b" h DISPATCH_METHOD,2 y) z& h% P# r ]2 r$ u6 j
&dp,& t& I$ N# i6 q
NULL,6 Z! q! L! j9 G, L/ T( d
&ei,
% l" b* \% P L/ s6 @! k. D &uiErr);
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7 s. v+ W* a/ L4 H6 {- _; p SysFreeString(topicStr);
+ x7 ?) a$ k& M SysFreeString(itemStr);2 \0 y; R4 a# a. T. Z, X1 j9 U5 G2 q
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???+ M1 M1 [( T' U1 L3 `' A
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
5 v7 V. v1 A; S# F; p0 z7 g// Request a value from Extend
# _0 O6 T" ~ `' E1 W0 v8 w! Z1 A/ d//
8 }. l8 {, [4 L, E& {. C2 W* V// Initialize the variant that will hold the BSTR. Set the variant's
5 s# |% S1 l9 V4 C// type flag to indicate the fact that this variant holds a BSTR. Place the
2 n; o5 Z9 s6 F( \2 t( N, \% n// BSTR into the variant structure.3 m; O9 x( D. O$ w8 q
y% Q& `% V+ x4 c$ r3 E- F0 w8 n requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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! k! \/ L7 J6 M itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) p! m9 u" F8 z- W7 t. z% N VariantInit(&requestVariant[0]);
+ B6 z) ?3 f. |# h1 Y requestVariant[0].vt = VT_BSTR;/ a, a# N9 f c
requestVariant[0].bstrVal = itemStr;
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$ E/ A8 p( h5 z/ m% V# m4 p topicStr = SysAllocString((WCHAR *) L"system");: K/ ~ a$ ^3 Z- W7 w9 P
VariantInit(&requestVariant[1]);
! D( h2 x! X% r* X ]/ a# I* o requestVariant[1].vt = VT_BSTR;
) _5 ^2 P+ G8 A; P requestVariant[1].bstrVal = topicStr;1 d! y+ ?$ B( K k
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// Set the DISPPARAMS structure that holds the variant.* u" H" M: |* Y5 T# |+ p
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dp2.rgvarg = requestVariant;3 k1 r2 s" o. O* J; O. v
dp2.cArgs = 2;& }$ L! u) D, A4 K* o4 A
dp2.rgdispidNamedArgs = NULL;
) c0 I+ Z" e: I dp2.cNamedArgs = 0;
5 l- S& V2 D# \, x
( @. r' e3 H+ p; C3 _ var.vt = VT_EMPTY;
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" M- y9 }+ K: O) L( o4 Y* ~// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
: I4 j/ S' o& m" {/ n. O) j requestID,0 l8 z3 r* r+ c. D" e7 c
IID_NULL,5 u7 H4 X; U) H! l% D, V' B4 U
LOCALE_SYSTEM_DEFAULT,- M$ ^7 |# v6 p1 d c
DISPATCH_METHOD,
9 |1 B; b6 ]+ f/ D3 L4 P) [ &dp2,0 p' ` F# R( W1 `$ T! i
&var,
, X1 w& d% I8 g$ ^# ]' H &ei,
6 |, l# u5 `' }2 H8 Z/ V &uiErr);
% l) [$ {" U0 F) w7 Y
, ?% Y5 P9 W/ @2 y SysFreeString(topicStr);
/ G, L4 N) S: S" y( l% j4 ]6 ] SysFreeString(itemStr);/ z. W% y1 Z! I9 R# ?, O
请问该程序是获得extend里面的哪个值?
4 E" B0 N6 f5 ]) M2 F& d/ U. G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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