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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:2 U0 [9 D8 K2 R) P+ d* E ]: u! ^
Name = (WCHAR *) L"Poke";
& a) ]+ X9 I$ T0 ?1 t $ h7 E u) M% o' ^( ]; D
hr = m_pDisp->GetIDsOfNames (% s0 R) c8 O* r/ l" R
IID_NULL, // reserved! e! I+ H) D8 X* i% \" G; H& e& K& z
&Name, // Array of names to get IDs for
: \$ v2 `8 | a% r+ o9 C 1, // # of names in the array
! c" L9 \9 A; V" @6 } B9 k: x, k LOCALE_SYSTEM_DEFAULT, // System locale& I. p+ V8 d: ~
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
7 u* T1 ?" V+ y- S" \) h return;
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/**************************传递数据给extend**************************************/
# a* T5 f5 o' f) |6 p0 c pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
& l' J! p6 t9 I' P3 y3 P & z! U4 @- \' q) t$ ^6 K
valueStr = SysAllocString((WCHAR *) L"1232");
/ e: S4 j2 k) s! R0 H1 _0 L VariantInit(&pokeVariant[0]); & }% a% m/ O! P) g
pokeVariant[0].vt = VT_BSTR;; a7 i( X" u4 E
pokeVariant[0].bstrVal = valueStr;
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! V A& O' q. K itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# I, W; E. T2 v' }) G/ s" X VariantInit(&pokeVariant[1]); 2 s& O$ O, E; L- n9 J# F) k) J: k9 Z
pokeVariant[1].vt = VT_BSTR;
4 M. v8 R( _: j) ^/ J$ L3 {8 z0 f pokeVariant[1].bstrVal = itemStr;
/ a* t2 B3 |) C% y3 t% [! f
% X( j9 L) B& e topicStr = SysAllocString((WCHAR *) L"system");7 D, q3 \3 m3 v
VariantInit(&pokeVariant[2]); 1 W C# R! P Z; a4 @7 L
pokeVariant[2].vt = VT_BSTR;
* v i5 y+ w; x/ X* l& n pokeVariant[2].bstrVal = topicStr;
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& s6 B B: v7 M! E7 x/ S6 h// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;% v$ c" k R* Z1 f- V# V* o# m
dp.cArgs = 3;% r( G, J* r w+ _! U: H$ T2 G# o
dp.rgdispidNamedArgs = NULL;8 b3 d! v$ r: c
dp.cNamedArgs = 0;$ W) l: k. E, x+ U4 g! n2 E
e& ?0 X4 M2 g- Z3 g// Call IDispatch::Invoke()2 k' U8 E) A \6 x, K, h) T. c
! i5 [8 W) l5 E, y9 X5 V hr = m_pDisp->Invoke(; x n& G2 j2 Y9 k7 Q S1 o
pokeID,
& U* ]( b) f. h s IID_NULL,
( D/ y* l8 J* a, z1 H LOCALE_SYSTEM_DEFAULT,* K* x$ Z1 [' }4 c- A* m8 Y# `
DISPATCH_METHOD,
2 X% L5 }- e. n5 \) ? &dp,
: p, f# I5 q' S8 @- C' v5 L NULL,' u; n8 O$ w7 d l6 y
&ei,7 b! o w& d9 b2 G: ]0 \3 k
&uiErr);: L2 y* B- F- m5 h! X' U9 ^ b
) x* x2 d6 T. B SysFreeString(topicStr);3 p8 ^% x' ~) p: X
SysFreeString(itemStr);7 @) R+ G* K# z o# `5 b/ C
SysFreeString(valueStr);6 p- i5 p* X! g# y3 W
' g- N; B& w4 e+ y f3 Z
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???
; H1 c! b" D( D; R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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+ M1 l. x m8 Z. `& H2 V; i# U2.这是request的程序; w& H4 Y9 h4 B. e
// Request a value from Extend+ B% [8 E* j' D; t6 ^
//
8 _6 J0 K" s% w+ v& p' p3 E// Initialize the variant that will hold the BSTR. Set the variant's
8 P9 R) E7 {( x* K// type flag to indicate the fact that this variant holds a BSTR. Place the
" V" u% b1 {6 k3 c. u6 J// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);0 N8 U- \$ K/ r5 ]/ ?/ s: X
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! L# d! ? h3 s+ I s- ]
VariantInit(&requestVariant[0]);
# J+ b9 C6 \; O, N7 b, Y5 ?/ f0 Q requestVariant[0].vt = VT_BSTR;
0 b, O5 ]1 K! ? requestVariant[0].bstrVal = itemStr;. i# t) n" r' @
, K+ Y1 e! L4 ^$ _3 s topicStr = SysAllocString((WCHAR *) L"system");& _2 V5 _' }+ R
VariantInit(&requestVariant[1]);
* X1 B$ a' M) t requestVariant[1].vt = VT_BSTR;
3 o0 x1 L/ \0 x: W5 H" ? requestVariant[1].bstrVal = topicStr;4 p. u8 g7 x' y; t$ x5 r
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;! u6 R* r; G, d* f4 ?# z
dp2.cArgs = 2;
( s' m+ P @" Y: S6 t( u# @ dp2.rgdispidNamedArgs = NULL;5 T1 ?1 |9 Q0 G# Q, e7 p# r
dp2.cNamedArgs = 0;2 d& }% ^3 t3 k6 T/ s S- {4 B
$ p* h$ y! S v3 X var.vt = VT_EMPTY;& ^% ?( M5 S$ t- @8 Q9 Y3 ~# w
+ u6 {$ d* e2 c, M! o1 ?, ~" c8 T// Call IDispatch::Invoke(); q: _; O3 z4 R8 N' Q- u
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hr = m_pDisp->Invoke(( \ i X$ d- p' g
requestID,
4 O& n% ^* C) D' F IID_NULL,
1 A5 p! {7 y' F0 l7 c LOCALE_SYSTEM_DEFAULT,) L2 `2 h/ ~+ f3 e7 x, n* w
DISPATCH_METHOD,2 v8 M1 }# H' Y% y
&dp2,. ?# g: Y! }- ^% l/ t' B/ w: d8 L
&var,' ~: V) B* U# T8 N2 i% [
&ei," L* W) Q# c7 R! P. Z2 D
&uiErr);( a$ h9 y( S0 c4 b
' I% l7 ]# T: |* y/ v4 k( [! W SysFreeString(topicStr);
2 I7 k6 V$ F. q6 G5 m# e U# A SysFreeString(itemStr);! j. E4 F l5 X) M9 t
请问该程序是获得extend里面的哪个值?+ w) c2 P" ~* ?$ s) t, S6 P" d
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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