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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 A2 f- D$ j0 o# A/ Q K
Name = (WCHAR *) L"Poke";
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" s5 H5 E0 K; P) y u' n k hr = m_pDisp->GetIDsOfNames (! A8 I& B1 B6 f0 J- P. H
IID_NULL, // reserved8 H i/ r( t+ v3 H
&Name, // Array of names to get IDs for& U# T3 b# J1 L
1, // # of names in the array- S* R/ l1 d% ^. }
LOCALE_SYSTEM_DEFAULT, // System locale8 W6 W: M/ S$ v6 Z3 {, J* g
&pokeID); // Array of IDs to fill on output* i: x6 B5 v& A6 X1 U
* b2 y7 m8 u' P1 s: G8 ~
if (hr)' D; S H4 N! Y8 M( m' I9 V
{
4 O& v0 G" ^# Q: a& Y MessageBox ("Get Poke Unsuccessful");
. \1 n n. K C return;
$ q6 i/ ~/ o2 p3 P5 C. ` }
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( j6 E* Q" T' A0 G5 I1 q( L/**************************传递数据给extend**************************************/. I4 `, i. N& P7 k
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
& p/ r5 N& P7 f. _. O VariantInit(&pokeVariant[0]);
* s. d8 K8 S. ]' [+ y pokeVariant[0].vt = VT_BSTR;
+ W" X# L2 G3 M9 o( ]; Q' \ pokeVariant[0].bstrVal = valueStr;
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7 I7 x" U: N6 q- {9 F* ^, }+ T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 N- V& k! d4 _; N5 F w i( E
VariantInit(&pokeVariant[1]);
5 `# Q3 R, G! N: D4 F7 a0 I pokeVariant[1].vt = VT_BSTR;9 i3 q* J) j9 x* J/ v' M
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
- u% b/ X3 y: w) _- a1 E VariantInit(&pokeVariant[2]);
6 a9 q1 }: {5 e0 D) m3 i, a% r pokeVariant[2].vt = VT_BSTR;3 |4 a- @; c8 S i9 p9 f# s
pokeVariant[2].bstrVal = topicStr;' z9 w: G! M* n1 Q+ Z
4 S& C4 p% p+ R6 u/ w// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
0 G- }, ^1 v. @; O dp.cArgs = 3;
6 V+ n7 W1 u/ b* D dp.rgdispidNamedArgs = NULL;
i, i/ S1 Q7 v& @' Q% Q3 |7 E dp.cNamedArgs = 0;
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/ B1 r) `4 Y3 d/ i) y. a7 F// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
' N4 |! R4 S4 B. N2 d- T9 q pokeID," F& `' j0 Z4 P5 B0 C/ o. R
IID_NULL,
5 P% m# _7 u/ m% G+ C LOCALE_SYSTEM_DEFAULT,
' k: K9 i5 o; m# B. t' s3 q5 s( l DISPATCH_METHOD,
6 S6 L+ e& t0 p8 o) ^0 ? &dp,
0 F1 N6 g# |, T+ W I2 h NULL,
0 `% @7 f8 F! R1 R' g5 } &ei,6 w6 h& h& k* \# |
&uiErr);5 J8 }8 m1 ~0 ]! B0 c5 j
& f% f, ~& Q- b SysFreeString(topicStr);
* t. x' A- o' t) D, c. M K SysFreeString(itemStr);
" r: G8 N* X2 ~' m SysFreeString(valueStr);# k5 G" r. ?8 m6 S: C p* b9 y
3 |" ~0 n; m; T3 U1 a0 q, J" D6 F
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???
; o: G4 O( D$ G c7 B3 ~* ~+ s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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* c4 l0 B. F" h7 k' G2.这是request的程序0 H0 t1 }$ n# ?% V5 U
// Request a value from Extend
) E" m. b1 Z' h# `" g- S8 P0 w$ v$ x//
+ [6 C$ w6 }: D/ K# q// Initialize the variant that will hold the BSTR. Set the variant's* V! R6 H& s, W- {8 g, [; m7 v
// type flag to indicate the fact that this variant holds a BSTR. Place the
# h @ Y; S9 S J2 L, c; [// BSTR into the variant structure.
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# ~5 G: ~7 v) F: H requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' B* ]( A4 F( [4 }4 L- ~
VariantInit(&requestVariant[0]);
, w2 e- J! ?- y9 n* ^4 {7 T requestVariant[0].vt = VT_BSTR;( }0 @. Q/ s x
requestVariant[0].bstrVal = itemStr;
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1 q) m3 b0 K6 A( R a topicStr = SysAllocString((WCHAR *) L"system");
3 o1 V3 ^5 N' N2 S$ D5 A& Y- O VariantInit(&requestVariant[1]); ( r/ I$ f( v4 a8 @+ m5 M& X- ^
requestVariant[1].vt = VT_BSTR;
$ E. Y" n0 U& k# m) T, k requestVariant[1].bstrVal = topicStr;
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3 |0 ? g9 ]6 b4 c' B// Set the DISPPARAMS structure that holds the variant.3 C1 Y/ M8 T9 }* ]' l% q
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dp2.rgvarg = requestVariant;
1 y6 f) p2 @" @" D) } dp2.cArgs = 2;
, y! }. j$ I( ? dp2.rgdispidNamedArgs = NULL;
0 E4 \) W% R% U. }7 Q T dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;' x0 ]5 O% M3 n# r$ _2 q
* @# y1 Q8 Q7 d& f! k) V! B8 C// Call IDispatch::Invoke(): e( |! P8 F/ \: C; h6 B' P* {
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hr = m_pDisp->Invoke(
& k, E' P+ G; [3 J requestID,( b4 z% K2 I, S* Y+ d
IID_NULL,& X$ }5 A' R) f5 Z' c2 o
LOCALE_SYSTEM_DEFAULT,
0 X$ b1 w/ P: B- ` E$ G; _' J DISPATCH_METHOD,: y' v' Z# N7 u! K2 ^9 O1 \
&dp2,. W9 N% G9 m8 F( e; V: S- U5 ?* @
&var,7 W8 c8 [& ~% C x7 @, Q
&ei,
3 a3 N. z# A5 ~' t+ K+ m+ B: _% O# L &uiErr);
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SysFreeString(topicStr);# y" Q; U$ B$ [) V/ }* ] Y
SysFreeString(itemStr);, g, ^4 _7 Z \; d8 t
请问该程序是获得extend里面的哪个值?
# g, |, b. L$ Q- N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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