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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:9 W5 u7 L4 b5 r6 d- W
Name = (WCHAR *) L"Poke";0 S! N" t ?7 d; u/ N5 T, G
[8 j5 W* @; p: z4 _
hr = m_pDisp->GetIDsOfNames (
( M7 V. A% m: ] IID_NULL, // reserved- t1 v$ j8 {/ g. o+ x0 F
&Name, // Array of names to get IDs for; p4 D) v; L" D4 w( {2 O. t! p, F
1, // # of names in the array
( X: x- H3 @9 p7 ` LOCALE_SYSTEM_DEFAULT, // System locale
2 Q$ Q, _% _: _2 j4 T' h$ P &pokeID); // Array of IDs to fill on output
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4 o$ r; L. j2 U: @ if (hr)( g! |7 k& X0 i+ f; n
{
0 E# o: {. n h) Y, Y MessageBox ("Get Poke Unsuccessful");
8 Y' N- a$ o, u+ w; C7 F- F return;
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/**************************传递数据给extend**************************************/3 H3 `8 g/ o O; ^3 o9 X
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);) G! f. t0 ]/ I$ r' Y2 I; z
, U$ y( S$ G5 A+ c2 u valueStr = SysAllocString((WCHAR *) L"1232");
" H4 i0 q6 q- o5 ~5 m3 r, ] W$ r* |. q VariantInit(&pokeVariant[0]);
2 |1 K3 H n- W4 r0 q pokeVariant[0].vt = VT_BSTR;( ~9 v) {2 w6 q1 o+ w
pokeVariant[0].bstrVal = valueStr;! G+ d) ~5 v8 Y/ V; G, R
6 S. }2 o& i7 g itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' X7 L: `/ `' V" K VariantInit(&pokeVariant[1]); 4 D9 T9 ?. e; V" |* Q9 B) ~6 L0 a
pokeVariant[1].vt = VT_BSTR;
, r$ n, R" d% a- a pokeVariant[1].bstrVal = itemStr;
$ A. u1 C% s: H$ r* x4 o- H
( R: a" t6 ]+ O8 I# N" K. o topicStr = SysAllocString((WCHAR *) L"system");: d2 s7 h# z& h, t
VariantInit(&pokeVariant[2]); : i+ w9 A+ Z. U
pokeVariant[2].vt = VT_BSTR;6 p& g, E2 v4 g6 J" l4 x
pokeVariant[2].bstrVal = topicStr;
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$ T8 {2 W- F; e3 u) o9 r: `// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;( d& v. F6 B0 q- m/ A& _0 C2 |+ o
dp.cArgs = 3;
7 J; z7 i- n9 [9 d) E# } dp.rgdispidNamedArgs = NULL;8 }0 r* F. e: B. j! n7 k [
dp.cNamedArgs = 0;2 `, d$ u4 r/ F$ T
; z# {8 N/ h0 D$ b/ ?! t1 Y
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
; B; G) x" _' k5 W9 t+ E5 \. Y D' ] pokeID,
, E5 A: W- e4 C+ [ IID_NULL,9 ]+ u/ r8 w' h
LOCALE_SYSTEM_DEFAULT,
: `* O# ?6 N& U" ~& M2 {& h DISPATCH_METHOD,0 u9 h! O5 o1 Q+ S( {+ r9 Z* W0 \
&dp,$ j+ b$ k- Z' d
NULL,3 J; T2 P" `4 P
&ei,
! }3 Y9 ~" b# T% `: I- E4 x% y &uiErr);
, m. k2 e' P1 h* u+ K' v' t( `1 S; ]. X2 \* ~
SysFreeString(topicStr);
w) o/ X6 I$ D1 r$ ^: }$ y) h SysFreeString(itemStr);" y$ m; A7 K4 \9 {4 n% B9 u' h
SysFreeString(valueStr);% }' I7 K% q6 z
/ a6 g( f4 i0 ^; Y7 g
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???
" ]+ @7 J( T( i, y2 `2 g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????( G! B3 `' \, F9 q! q
+ B0 X$ ]4 K# e4 N) Q: {- J; k
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2.这是request的程序
+ P* J* b/ h- i// Request a value from Extend6 B/ K+ q, g: L# u' }: t/ m; p, ?
// b: B! ?; c8 q1 x* ]
// Initialize the variant that will hold the BSTR. Set the variant's
( r" ]; R$ L! e5 a! r0 t// type flag to indicate the fact that this variant holds a BSTR. Place the
$ B1 ^# h+ S$ C9 T+ l# u4 T" k- H* C// BSTR into the variant structure." ~7 W8 X8 B8 A: u
( E( }' s. Y: m
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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, y+ D& x; i) ~: R6 U7 W3 F itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 f# ]( h- l( Y2 R) d+ j' ~
VariantInit(&requestVariant[0]);
! P6 j4 G0 N" H2 N0 c& p( ~' Y requestVariant[0].vt = VT_BSTR;4 v2 a2 z2 R7 Q8 E. h
requestVariant[0].bstrVal = itemStr;# y, Y0 j- x8 b" Y/ c* d6 Y7 ^
. }/ G/ B* W2 Z6 L topicStr = SysAllocString((WCHAR *) L"system");
. X& V8 H' t" _/ H, N0 p- R* e VariantInit(&requestVariant[1]); 3 T( |$ J( ?$ f- a5 s' R
requestVariant[1].vt = VT_BSTR;
, ?' r9 Y/ e" h O requestVariant[1].bstrVal = topicStr;
# C& f! O' l# L$ s- w& e( J$ }0 W+ ~ t% G* y7 a* |9 I7 S
// Set the DISPPARAMS structure that holds the variant.# N$ U" k3 f; e% J3 O4 Z
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dp2.rgvarg = requestVariant;! p3 [( a! _" T& `
dp2.cArgs = 2;
7 O2 `5 H, q F dp2.rgdispidNamedArgs = NULL;6 w2 X) z% [3 l* t4 B' ]
dp2.cNamedArgs = 0;4 M! d/ t1 ^1 ~; f/ O
% U6 X3 q- h* U2 U( _- V& x1 u var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(8 \4 k. D4 ^. m, i
requestID,
3 P- d0 v z: Z+ o8 b# R! w IID_NULL,
( a1 z+ O* S2 [- {. }7 w6 [9 s LOCALE_SYSTEM_DEFAULT,& a, @, x8 w: c/ @0 x% \! o% e+ Z
DISPATCH_METHOD,
, y% g1 p& s. i0 H &dp2,+ X9 k9 I& N c5 ?& ~( t4 V
&var,9 H$ N" M3 i) H/ d" X
&ei,$ f" k$ Q9 w' ]* I7 J. J
&uiErr);9 g: T: i! R9 H( i7 x$ c
* |- e2 m/ f0 J5 |+ A( G% y) [6 n
SysFreeString(topicStr);. N h) J# E) j1 U) R' A
SysFreeString(itemStr);
# ?* X+ I9 E* G请问该程序是获得extend里面的哪个值?5 h9 a: |4 w& t. U! R% h& F& m
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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