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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) z/ P: N4 o; f2 r3 g( N2 ]Name = (WCHAR *) L"Poke";
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" y1 h$ v' K. \% D hr = m_pDisp->GetIDsOfNames (; |1 o4 Q8 e+ r* t! J. q/ E9 F- B
IID_NULL, // reserved
+ P: G8 N+ E$ O( i+ W* a# ^" M &Name, // Array of names to get IDs for1 @: H* P! S& R) ]* l( I
1, // # of names in the array
4 s$ M' T9 C0 Q LOCALE_SYSTEM_DEFAULT, // System locale
4 j& P1 A' i1 W E9 e# L &pokeID); // Array of IDs to fill on output; F S+ }& k" y+ ]' M) ]- n
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if (hr)2 X/ S# d3 \' t- d% A' [+ c
{
2 n7 t9 ]) U; {8 |5 z# ?7 j MessageBox ("Get Poke Unsuccessful");% h5 q5 U: d0 j( a: [
return;
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+ V9 M; q, }* l3 I/**************************传递数据给extend**************************************/1 k8 }3 C% N) {/ z5 d( j0 l
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
4 s. X' F0 z4 y0 S' H; Q, [) T( t" h1 |1 k; b VariantInit(&pokeVariant[0]); : K7 e6 q. X% W% i- A1 _
pokeVariant[0].vt = VT_BSTR;( F" i! _' s2 b6 X
pokeVariant[0].bstrVal = valueStr;
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3 `' d! R8 b& S- ?- D+ M5 m/ N* s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% U# m- ~; t8 \8 r" w ?% f VariantInit(&pokeVariant[1]);
/ G8 x: ?3 {. V6 e( c pokeVariant[1].vt = VT_BSTR; c5 X! O6 Z/ t- N# f
pokeVariant[1].bstrVal = itemStr;
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6 c3 m. E& a& H: Q& h/ I topicStr = SysAllocString((WCHAR *) L"system");* B$ o4 t! R+ q9 [8 @
VariantInit(&pokeVariant[2]); 1 v. g3 }! |' j3 V/ y' c2 g/ Z
pokeVariant[2].vt = VT_BSTR;1 g& o+ G- @; G' T
pokeVariant[2].bstrVal = topicStr;
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: c1 V% `0 b, J/ v// Set the DISPPARAMS structure that holds the variant.0 |6 @! A3 M0 q' e0 Q) Z' v
' w7 Y! a" b6 H4 u/ F dp.rgvarg = pokeVariant;/ J$ z% L% G- |" D8 a& i
dp.cArgs = 3;2 ^9 ]3 G( ]- H, ^* u2 k3 R
dp.rgdispidNamedArgs = NULL;- [( [: v' \" b6 K0 l4 M
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()" M/ }) V7 E! f6 |5 j+ n- J
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hr = m_pDisp->Invoke(
) B8 q$ y. y' K* ]: l pokeID,
: K, Z* _0 f; v+ N& Y9 u IID_NULL,
d: ]# x8 y4 \) A$ p" g( U# h LOCALE_SYSTEM_DEFAULT,- F% m" K" ]9 R" Q o
DISPATCH_METHOD,
/ l# R3 E- c- S3 d c &dp,( B" ^& l* I: Z" |: S
NULL,
4 V# Q+ H! P c &ei,1 A$ G; Q( Q! v9 h2 k& T7 i6 F
&uiErr);2 j* D3 X1 d; Z" E& I
# W( H: @0 h0 F3 M1 g SysFreeString(topicStr);: [5 w; U4 L0 t/ n% V5 `
SysFreeString(itemStr);
9 k5 J5 |( F* K) f5 P2 i SysFreeString(valueStr);
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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???+ J/ G: J" p0 ?5 W
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????1 E' G0 I( l2 {5 I' \" U+ v
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2.这是request的程序
G- v& `6 G' e v0 d. G// Request a value from Extend6 ?* N! }! ]. ~) X
//
6 c" V g& H; @$ ^' l7 e5 Q) Z* i// Initialize the variant that will hold the BSTR. Set the variant's
( V. e; c; Q; B9 q4 D+ `5 P// type flag to indicate the fact that this variant holds a BSTR. Place the
0 ^# b* e; Q/ ^6 U// BSTR into the variant structure.% V$ E$ L; K+ F. b* [ e
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- r; r8 J. i. z$ N0 D/ E' n( s' f
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; w9 ?, ], q" l4 O VariantInit(&requestVariant[0]);
. m) ]$ `! g; n* Q requestVariant[0].vt = VT_BSTR;
4 q0 p4 c, j2 X requestVariant[0].bstrVal = itemStr;, x. J1 o6 W1 z
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topicStr = SysAllocString((WCHAR *) L"system");
- W8 L' J: T( p: f* V VariantInit(&requestVariant[1]);
7 @) u8 R! _+ P0 [( G+ ~( g* G( _) B requestVariant[1].vt = VT_BSTR; q) s1 V! L% n: a: m' ?0 _
requestVariant[1].bstrVal = topicStr;; P o7 v. b" l) a9 T1 E# s
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// Set the DISPPARAMS structure that holds the variant.! z4 l+ ?* `# g0 v& ~1 |7 b6 ]" t# a
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dp2.rgvarg = requestVariant;! {5 D7 ]: i3 I1 k8 ^, g2 y# w
dp2.cArgs = 2;
! ]! g7 U! W5 l2 S' j4 ?/ O dp2.rgdispidNamedArgs = NULL;6 e- O6 |; q+ O) Q; }! y% x
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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" _! T: q9 Y% t* ^4 }" z# c7 R hr = m_pDisp->Invoke(/ M% E3 N. U0 z' g% E
requestID,
5 B& f" D8 t' f9 q5 g1 K IID_NULL,
, ~- w" Q8 Q9 W7 [8 R* Z1 r; i% D LOCALE_SYSTEM_DEFAULT,
+ y$ G' Z$ B9 ~: [# _, Y: D T9 m* { DISPATCH_METHOD,) B$ O$ I( H5 z" N% V
&dp2,( w6 L) S, Y# _& y& C
&var,
0 v& w7 f; }6 B( I( B &ei,
* C. _0 f }) e9 u& _ &uiErr);$ G2 k9 s( R2 _5 J7 e
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SysFreeString(topicStr);
! m4 O# v& w+ H: ] SysFreeString(itemStr);
1 w- H0 \( Q) ~7 w6 f2 [请问该程序是获得extend里面的哪个值?( i8 e- F8 `) V
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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