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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:! E: ^& R; T- }# ^7 {, @4 ?
Name = (WCHAR *) L"Poke";, o# w# f1 c" q% V
- M6 u E$ ~0 [. }4 e8 N hr = m_pDisp->GetIDsOfNames () F, r# n# h: J0 O4 `
IID_NULL, // reserved
+ K; y9 A8 R, t& X- }3 j &Name, // Array of names to get IDs for* F. ^) r1 |+ C( C+ o) j2 {
1, // # of names in the array( O+ c5 i" D# N$ Q& K+ K- o
LOCALE_SYSTEM_DEFAULT, // System locale
0 J/ b, a V9 W &pokeID); // Array of IDs to fill on output
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8 M$ @' H0 m3 P9 h" g5 u if (hr)9 f% B( w* t- D- r
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MessageBox ("Get Poke Unsuccessful");
" k8 J* c$ i: F8 ]7 z return;
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& E! c+ O+ ]- ^8 d( h# ~/**************************传递数据给extend**************************************/
3 T. h, n( T1 s/ L7 L X) A pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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6 q9 q) f- r& P# q/ @: n valueStr = SysAllocString((WCHAR *) L"1232");
$ S4 b k; P8 x* f VariantInit(&pokeVariant[0]);
4 A- r6 T3 P4 k8 K, L& r pokeVariant[0].vt = VT_BSTR;( p- w$ j2 N, X+ ]/ I& t5 R6 U
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" d9 o. _6 D$ R$ f7 |( M
VariantInit(&pokeVariant[1]);
# e6 H L' o" w0 h9 @- ^ pokeVariant[1].vt = VT_BSTR;/ e9 J; T4 D& n/ u0 x$ Z
pokeVariant[1].bstrVal = itemStr;
, }, K% s( c) w
0 q: B% W+ `5 C+ R% u) B7 U topicStr = SysAllocString((WCHAR *) L"system");
$ ^2 |2 {4 I# `8 i# m: { VariantInit(&pokeVariant[2]); 1 Z6 y) _1 y& s8 K: E9 F: J
pokeVariant[2].vt = VT_BSTR;$ [: p' @5 @1 _2 r
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;/ l3 q- Q9 L, _6 @
dp.cArgs = 3;4 `3 i# Y7 Z) r. l7 h5 k, i8 H
dp.rgdispidNamedArgs = NULL;* s: I: R9 c2 N! o
dp.cNamedArgs = 0;6 v2 K5 _; t# V: e! ]/ {0 \4 j
4 t- B3 J, s: L) [' `// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
5 W0 O/ N, |! Z8 h pokeID,
6 X7 ?2 ^4 P% k, ~2 H IID_NULL,
: T- H9 e0 F9 _ LOCALE_SYSTEM_DEFAULT,
. Z2 q ]2 S1 t2 U& j DISPATCH_METHOD,* X; T. t! r1 k( Z
&dp,& e! @( d5 f- Q3 `& A* o' G
NULL,. M# Q* y$ r1 S. {5 [8 V
&ei,5 Z f: u; g" i% v
&uiErr);
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SysFreeString(topicStr);' [) V( l. r9 N. _$ c
SysFreeString(itemStr);
6 c% I# F& N. ]' F Y SysFreeString(valueStr);& V1 c1 \: ]' U" k
1 g0 P: O" Z/ x" N, r
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???
4 T* U/ T' p% U ?' E# N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
C5 j4 f# A! s# i// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
* t% T; I! w6 {" V// type flag to indicate the fact that this variant holds a BSTR. Place the3 w* I2 i5 j" R
// BSTR into the variant structure. X4 I5 o" D0 H( A3 T+ }( y) ^3 n
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 J. X- t. ^) T# u5 S/ R9 ?' `' F
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 e! ?2 I+ O. t9 t3 e! l
VariantInit(&requestVariant[0]);
" u( y" ]% ~" m K# @ requestVariant[0].vt = VT_BSTR;! \0 a8 g/ P3 p1 y, }$ |+ |
requestVariant[0].bstrVal = itemStr;) {$ _5 X2 ^- F- q& ]4 a& ]
+ K* @% k; I2 C% |2 C+ i- c2 h topicStr = SysAllocString((WCHAR *) L"system");5 k9 @/ l5 J% n# Q6 l( a/ ^( @
VariantInit(&requestVariant[1]); ' d" |: F/ ?6 P& A: Z
requestVariant[1].vt = VT_BSTR;# R, j7 h! O; E- p
requestVariant[1].bstrVal = topicStr;+ G% A$ X1 s. I0 O
2 }: F7 }0 N: F8 x9 V! z// Set the DISPPARAMS structure that holds the variant.
! C8 Z" f$ |0 L2 S
* a0 ]; G( G3 ?" y, Z( ?( e dp2.rgvarg = requestVariant;
& j8 b2 G G: z1 {7 B! g4 u dp2.cArgs = 2;
3 T7 x7 B$ O7 b8 o& l dp2.rgdispidNamedArgs = NULL;
! n8 q+ P% T: Y0 E) U5 Y dp2.cNamedArgs = 0;1 F0 s/ i: S6 Z4 q" |) p& z6 f* ~$ O
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var.vt = VT_EMPTY;
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2 h; K y f% v3 @9 ?// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
5 u- X" z, z5 h! @5 [ requestID,9 r0 P, X& P% V- P
IID_NULL,0 O+ k- \* x/ \$ w7 R0 b
LOCALE_SYSTEM_DEFAULT,
& |" P6 z0 N! [! ^0 q/ O( Q! O DISPATCH_METHOD,
; ?$ Q3 \4 H6 }' W3 R9 Z! W &dp2,7 D4 B& B( W4 M+ V! e
&var,
' Q2 `) z% E) a4 x7 {1 | &ei,
' U2 S" }6 g4 N4 n &uiErr);
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SysFreeString(topicStr);/ C( e: t$ [: @
SysFreeString(itemStr);5 N9 x# m& A0 K: X5 ~
请问该程序是获得extend里面的哪个值?% ]3 P6 L' M! @6 }. B' |
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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