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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:
8 b+ ?+ o6 ?8 K; s! t: B& PName = (WCHAR *) L"Poke";6 B: }- y: l3 d/ l7 E
. [# z% w+ S; d c# M( e1 }4 w hr = m_pDisp->GetIDsOfNames (
- e1 p# i1 \/ U* V IID_NULL, // reserved0 Q' L- v$ S0 `5 @, e& U$ u
&Name, // Array of names to get IDs for# a" W% J0 ^/ B4 e( n
1, // # of names in the array
9 \; \& N$ n; r: D6 ` LOCALE_SYSTEM_DEFAULT, // System locale
; t8 b8 f9 G2 s/ `) K &pokeID); // Array of IDs to fill on output
' k+ m( G+ a |" @
. q ?- U7 p3 I C& }! d if (hr)- l4 o0 W7 O: O: Z! Z% v( D# O* l
{4 U/ K, \7 e" c. J6 W+ @& i
MessageBox ("Get Poke Unsuccessful");( ?. `' P7 D4 b' X+ X
return;
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/**************************传递数据给extend**************************************/3 a8 L/ |; r* F2 {" I, O. w5 A
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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6 |. @2 C- w5 V6 N2 A8 `2 P; J* { valueStr = SysAllocString((WCHAR *) L"1232");: T% |4 Q2 j( w9 T/ k! |
VariantInit(&pokeVariant[0]); ' w! b5 | U% ~! {
pokeVariant[0].vt = VT_BSTR;
+ v( P7 a$ }% X2 j5 ~4 ` pokeVariant[0].bstrVal = valueStr;
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' f: k+ ~9 U i( r itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 `* t8 L2 Z; }. e9 }, m VariantInit(&pokeVariant[1]); * H3 d, l X. }& R8 R
pokeVariant[1].vt = VT_BSTR;
7 {: K) p& ?0 j: F9 F- C& L pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
! w; ^$ [( W' y- t+ n) I7 X VariantInit(&pokeVariant[2]);
& V5 Y+ H7 U7 r/ D3 @ pokeVariant[2].vt = VT_BSTR;0 q; w1 J5 B1 ]2 _
pokeVariant[2].bstrVal = topicStr;
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8 A0 t3 h" C( H1 D5 |8 e: \& V// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
6 W$ O8 [6 b( j. t+ {2 r4 V dp.cArgs = 3;; k, V% q1 D4 _* b6 [1 t
dp.rgdispidNamedArgs = NULL;% Z/ R) d2 c2 |4 P' H3 m
dp.cNamedArgs = 0;
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0 A& Q* V+ X7 f. N: X- w// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
2 o; I- X6 H) x7 G pokeID,
& f( X, z/ ]5 ^3 ]) o IID_NULL,
6 N7 Z6 \# \9 t3 G2 k& \. e& c" z! V5 k6 M LOCALE_SYSTEM_DEFAULT,3 x1 O! _* F. Q. ^
DISPATCH_METHOD,
9 i8 H# p5 V' m+ v# A, p% d &dp,+ Z4 z3 w- A. h4 Q
NULL,
# N8 g) j; f. w4 B3 Q &ei,
; r& e" K7 P6 |1 ~* @' B" | &uiErr);, E* r- w. k& W. o; |
s& Z u+ v2 l, [# \- \ SysFreeString(topicStr);
' c( T! k* L2 _. s' w1 D SysFreeString(itemStr);" l: B" g# g( T$ f2 n1 r
SysFreeString(valueStr);: v% G4 r& D, X3 ^& v2 x
7 k( f9 O3 U7 W: D: X7 O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???
6 q+ E$ E' ~6 S9 G9 E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????' @8 V6 F" Q! z3 L
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7 r8 h5 `5 T1 S' L- M. o6 F( a2.这是request的程序
! u& U/ l4 U8 M2 A$ f" W// Request a value from Extend* P( ~) R0 V' f) q( u" I
//3 [; l0 f9 ^- `0 D) f0 u
// Initialize the variant that will hold the BSTR. Set the variant's0 h! }) l8 ]4 g* u9 v
// type flag to indicate the fact that this variant holds a BSTR. Place the1 X* {3 h0 A! I' a" Y7 }
// BSTR into the variant structure.
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* f& v/ V; I+ ^& P# z, w, ~ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# U* | m8 @' V% s- k VariantInit(&requestVariant[0]); 9 z0 {) A% D: O0 s x+ n# x( n7 c. E
requestVariant[0].vt = VT_BSTR;
! p6 g/ f) L q! J7 h requestVariant[0].bstrVal = itemStr;/ P @& Y$ f) r7 e1 o
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topicStr = SysAllocString((WCHAR *) L"system");
2 [' l5 t. E. q4 n' d) r. g VariantInit(&requestVariant[1]); 5 S7 v( v! d4 v" V0 a, M
requestVariant[1].vt = VT_BSTR;% a. R$ p( d) U
requestVariant[1].bstrVal = topicStr;
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/ ?+ y! V. M0 J3 F// Set the DISPPARAMS structure that holds the variant." ~. c7 g* T3 [
Q$ _' X# u' Y) x" J7 q$ k! W) O
dp2.rgvarg = requestVariant;
1 [" H9 G" Q7 W7 s8 F: q dp2.cArgs = 2;9 \ ?# O0 T( r" G; L' X' S
dp2.rgdispidNamedArgs = NULL;
' E8 R7 P8 c! ?( u dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;7 \' [& i1 k5 O; K; x( p
$ Q2 \; x4 R/ y$ F/ t% K% b// Call IDispatch::Invoke()
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# p' v# }' ^) g+ ^$ a" V1 \/ v' W1 S hr = m_pDisp->Invoke(5 i. w3 Z' M/ `- L9 j
requestID,* {0 W6 c6 j6 Q5 H8 l8 d
IID_NULL,
}+ u% V# {1 [0 B/ n( n( w) @5 Q LOCALE_SYSTEM_DEFAULT,
& s0 d4 I) v6 O: X" F( d2 n DISPATCH_METHOD,
9 c" z5 g( G M$ W &dp2,
( W7 i* _* d% t+ N$ S1 G &var,$ n9 }1 f6 l" ~! ^) C" b% ]
&ei,
7 Z: K y l& ]9 f; |- j- X &uiErr);' @; O+ r6 o: ?1 u1 }5 L; ]5 u
) a- z+ Y0 B( ?
SysFreeString(topicStr);; T" {6 Q+ L0 p
SysFreeString(itemStr);
* T) p% w/ i, L) [2 G6 \7 g请问该程序是获得extend里面的哪个值?+ Q# K' w0 G M+ ]) K3 [$ L
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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