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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:) O& l! \6 A7 ^" {: }9 @
Name = (WCHAR *) L"Poke";
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/ u2 C& O& ]3 e( N& o8 L hr = m_pDisp->GetIDsOfNames (
+ z7 b% u$ a" E" r/ [+ Z$ H5 q IID_NULL, // reserved
' `+ p- v+ M; E' U" G8 I &Name, // Array of names to get IDs for* y: }/ u* {' Q
1, // # of names in the array+ c, J: G- v4 y: X
LOCALE_SYSTEM_DEFAULT, // System locale
- \8 e3 h" r" n/ C1 c &pokeID); // Array of IDs to fill on output
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if (hr)3 U2 j+ }8 D( k/ Y1 M/ q7 N S$ W8 `% B
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MessageBox ("Get Poke Unsuccessful");
+ D, p( q a9 b4 P3 H return;7 e. s8 I5 U! d
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6 H9 d! F3 x2 z0 X/**************************传递数据给extend**************************************/
; W! G) @1 s6 G, [+ r pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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- s: A! O9 v& i! P valueStr = SysAllocString((WCHAR *) L"1232");
1 S( C4 H& L3 }0 {, y: m& U VariantInit(&pokeVariant[0]);
. _& |; n: x; \: U' [/ C- \9 v pokeVariant[0].vt = VT_BSTR;& A& T$ f% Z/ Q: E; S
pokeVariant[0].bstrVal = valueStr;
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) K& X2 @& o+ R itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 W( X# H. x$ y3 P: B8 G/ Y3 B
VariantInit(&pokeVariant[1]);
- e4 b6 A3 v9 T: y& ` pokeVariant[1].vt = VT_BSTR;+ h9 e7 J& e" r, R& c" G* |
pokeVariant[1].bstrVal = itemStr;7 `! C. r& a+ F8 k, x: x
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topicStr = SysAllocString((WCHAR *) L"system");
9 q7 f: ]# S( Z: |' W: _ VariantInit(&pokeVariant[2]); 2 L$ [* e8 q5 |) a
pokeVariant[2].vt = VT_BSTR;# A' v% L. i8 _
pokeVariant[2].bstrVal = topicStr;1 K) [# H" q: z( v0 z
: Y. R' b$ ?7 m! E0 n ~// Set the DISPPARAMS structure that holds the variant.
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8 W) P/ e0 h% F+ b, s9 O" T dp.rgvarg = pokeVariant;5 x! P! Z" d- w
dp.cArgs = 3;/ c2 W# p7 I9 |
dp.rgdispidNamedArgs = NULL;
) B$ E! n, s; H1 j* E r dp.cNamedArgs = 0;+ W$ u3 D: Z6 A& Q) Z
+ k% h, W) w6 r! P$ i
// Call IDispatch::Invoke()+ B5 X. ~5 U( U- {8 p1 ^2 K
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hr = m_pDisp->Invoke(
4 ?, p4 s9 \" F$ L/ s, e& l; s pokeID,
9 V! a5 J- O& K. E2 J% \ IID_NULL,
W1 {1 f4 R) }' ~0 f1 Z; G% _ LOCALE_SYSTEM_DEFAULT," j) G1 d' J6 k3 ~4 |/ Q) d1 c# N
DISPATCH_METHOD,
, S! n& u1 V+ U" G. y0 b% } &dp,
; S4 y0 g5 g( _% t9 b NULL,
0 G& D$ _1 C3 ~; m r4 w P &ei,# S5 T8 k* j! b9 K# H4 n
&uiErr);5 c4 g9 u2 p0 c! Z( @5 `: }+ X/ o0 y
: m( ?4 o$ {- w* @ SysFreeString(topicStr);
# n( u/ x7 H& l0 }/ n SysFreeString(itemStr);) r( P& _: O9 m. v
SysFreeString(valueStr);$ [# \0 N4 H; p
1 M2 }$ f" x" h
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???" m5 ^0 d$ y7 n, J
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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' ?& A: N* b1 J6 e) N$ K3 n2.这是request的程序
1 P5 {" h+ B% z8 s// Request a value from Extend& S) e) r) b; D x/ Y0 v
/// [: r% ]6 T0 S+ [2 {% |1 v
// Initialize the variant that will hold the BSTR. Set the variant's0 ^0 F A& O! a5 W' R4 a
// type flag to indicate the fact that this variant holds a BSTR. Place the& t7 {' Q1 B. d/ p* w( n
// BSTR into the variant structure.. j8 @0 } i3 \) B* B2 K6 R
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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" W+ b) l: O% {7 i9 j0 i/ \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% [7 V0 Z% ?9 y1 \( l; ?$ u1 b7 L
VariantInit(&requestVariant[0]); , b: {; E8 F. z3 N" \
requestVariant[0].vt = VT_BSTR; v# G6 \ i0 E0 B* ]% p
requestVariant[0].bstrVal = itemStr;2 @) _3 P l1 p# H# o
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topicStr = SysAllocString((WCHAR *) L"system");
) \1 q: n0 U3 l }' c VariantInit(&requestVariant[1]);
' s. f. R: q; {8 T4 K5 y) `( h# m6 ~ requestVariant[1].vt = VT_BSTR;
# s0 o+ Z7 W" x# r& l requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.; c7 ~! f, Y# Z$ B7 D" N$ U3 j
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dp2.rgvarg = requestVariant;' w* X; D+ w* l6 t' \. H. G4 q
dp2.cArgs = 2;+ U* s5 h$ N m- `# I* j; P
dp2.rgdispidNamedArgs = NULL;' ]* \8 H2 m) ^' k
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;- I- o" ~, @4 I3 h* z% j
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// Call IDispatch::Invoke()4 l5 R- C/ y) \& T$ f: O
$ Q! D. ]. a' p hr = m_pDisp->Invoke(6 C$ e& K8 g- o! M+ w
requestID,' a2 K" [7 E+ M [' b
IID_NULL,5 q. |# ^: U2 L* x- x7 n. u( N
LOCALE_SYSTEM_DEFAULT,2 O8 T1 z; _- f9 G3 q9 _0 V
DISPATCH_METHOD,
7 H3 T( G" d. }; P# Z0 q3 F &dp2,+ O3 U" _% ]$ a5 u4 t
&var,( A; t' S: z# g) p8 E! v
&ei,
- @- A% ?% T; h0 u$ V/ `$ L &uiErr);
) S9 ^) g+ |' E2 ]
0 m: Y; K5 d! r' y2 ^ SysFreeString(topicStr);
. Z R) y0 G3 l* K& L% N SysFreeString(itemStr);
7 O5 [2 s+ v/ ]( r请问该程序是获得extend里面的哪个值?
7 Y8 _4 \8 s0 {# 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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