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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:3 _" T! N! u* L8 X( Q2 q
Name = (WCHAR *) L"Poke";
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; N! \+ N$ [' @, r6 _ hr = m_pDisp->GetIDsOfNames (
! ^; l8 @" L1 J+ v- R IID_NULL, // reserved) |- `2 e- |. c/ N: w: F
&Name, // Array of names to get IDs for
+ X' b) b+ c U. ~7 _ 1, // # of names in the array
' s' D {6 S2 ] |; o v- X LOCALE_SYSTEM_DEFAULT, // System locale
4 y$ O9 X, V+ u( g9 P &pokeID); // Array of IDs to fill on output
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: `6 w2 o) J9 t+ r0 Y& v if (hr)# J- K) u! ^2 }
{
. r% M3 x$ L! b2 N$ q( I0 _ d* D MessageBox ("Get Poke Unsuccessful");
- [8 C% [+ J! B return;
- y: S/ u+ f4 Z, z4 U3 G) e }
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/**************************传递数据给extend**************************************/
e" I! R6 J+ S3 G8 d- J( s pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);& u r" ~, _$ b& m. U( i# y
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valueStr = SysAllocString((WCHAR *) L"1232");
# n( G- I, r7 c! M5 o7 i VariantInit(&pokeVariant[0]); / K c) p0 i G' c; \' E; H* C
pokeVariant[0].vt = VT_BSTR;
# ?4 [" |3 Y j0 C" X$ f* i pokeVariant[0].bstrVal = valueStr;" P* L' C, `- \8 h
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" E9 J2 z/ a$ b; Q
VariantInit(&pokeVariant[1]); & m' O/ L5 {$ e2 {: }) C k
pokeVariant[1].vt = VT_BSTR;3 m# Z. O+ S3 D6 d
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
( k8 K! X0 t/ M& @1 I VariantInit(&pokeVariant[2]);
: |6 [% D8 O0 c pokeVariant[2].vt = VT_BSTR;
& q3 \/ W9 n( h! |$ R pokeVariant[2].bstrVal = topicStr;6 m1 h, C$ U2 D O
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// Set the DISPPARAMS structure that holds the variant. j- ]7 l! Y3 S( D8 ~& ]' @8 g, N9 U
9 ]+ g9 b4 P; j+ ~9 G( ^3 ^ dp.rgvarg = pokeVariant;* @5 s8 o; _! i4 Z L& f
dp.cArgs = 3;
. S6 a( L! O$ S( o dp.rgdispidNamedArgs = NULL;8 I/ a' N' a$ O
dp.cNamedArgs = 0;9 n, S0 [# V- |5 a
8 x+ ~ k4 N. [1 W3 h: ?// Call IDispatch::Invoke()1 {5 x5 ~( H2 n: |
# n, T, W9 g+ m% N. \2 M8 C hr = m_pDisp->Invoke(1 v; D! j% G5 V Z7 k& ?
pokeID,9 ~* |1 M" B" m7 D& a" u& g T
IID_NULL,
' ]/ M: J) n$ X, ?1 l7 i LOCALE_SYSTEM_DEFAULT,- T/ E& R. h# k! q
DISPATCH_METHOD,
$ K! t) C/ \+ r6 M' ?& p- T &dp,/ p8 A) s2 `7 R! v- y1 W/ g/ L+ J# L
NULL,0 M! x+ I2 F4 a2 _; h0 R
&ei,
# H h# t r8 d! r4 A* v0 _ &uiErr);
# H: N: [7 M& @
/ x, g- I7 L$ Q: {# d SysFreeString(topicStr);
/ _( R Z7 P: k$ P, m6 w7 k/ M SysFreeString(itemStr);) C Z5 x3 o! z2 Y8 h* b
SysFreeString(valueStr);; p& |8 l3 P$ d, c, c
4 P4 ` V" v; Z+ P% ^
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 w9 n* F8 K* J; s: o: K
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
9 f; Q/ z$ C0 o/ c// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's' E: i0 I- D+ b
// type flag to indicate the fact that this variant holds a BSTR. Place the
C: F; Q* k0 I// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. T# Q4 ~, ~3 x, w) a
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: r8 G" [. q& V6 h$ @" F& T7 a; K8 f
VariantInit(&requestVariant[0]);
* b4 C" k; T6 _/ j! u4 I requestVariant[0].vt = VT_BSTR;3 T+ S# n& \0 X! j' p
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
9 F- d5 C8 o# h6 ^ VariantInit(&requestVariant[1]); * M& M7 ~& e4 ]! b
requestVariant[1].vt = VT_BSTR;
& j9 |( H) u. c! J3 v8 q7 X& d requestVariant[1].bstrVal = topicStr;/ ^9 ]; Q. e: S) N
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;2 ?! G1 V9 x! F& K. {
dp2.cArgs = 2;1 U. G1 Q. F+ L
dp2.rgdispidNamedArgs = NULL;
4 T, E! I7 M K# C% I dp2.cNamedArgs = 0;' x; T2 a5 u7 |1 h+ T( K
$ r) g* c5 }% j; |6 j" o8 ^. r var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
/ {- |' O& Z# u% _; h" y* m2 u+ f$ T" K% K9 Z5 l9 ^5 u
hr = m_pDisp->Invoke(
1 L+ @2 M, C- Y& U$ X requestID,, B% P8 E% b4 v
IID_NULL,1 N. Z$ S& x- @/ O) I8 D) c* x; n
LOCALE_SYSTEM_DEFAULT,
4 [% |: n, \0 S DISPATCH_METHOD,
) }2 a1 N* R% W' S; x# B &dp2,
9 v% r! n& L4 F" J& I! O% [ &var,
$ @ x; s+ [7 q2 n: [" V &ei,
9 F+ N6 B! l; c3 I7 f &uiErr);/ w" x$ @+ h) f$ o5 N( n
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SysFreeString(topicStr);/ G- J" ?& O6 O( ]
SysFreeString(itemStr);
/ p% f* `" v& n5 u7 C: l# m8 x请问该程序是获得extend里面的哪个值?
; P. N! E3 N1 q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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