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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 J4 D* r/ _& j6 ]% FName = (WCHAR *) L"Poke";
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N- [7 t) X; ]6 B$ U4 _! q hr = m_pDisp->GetIDsOfNames (
6 ^- S" h& u7 U& F3 d+ d IID_NULL, // reserved
9 P. A$ A, Y3 `5 F% [: ]" r) h- U8 A7 C &Name, // Array of names to get IDs for
& T: E& a$ o; j" j 1, // # of names in the array9 B: E+ [, i+ k; f
LOCALE_SYSTEM_DEFAULT, // System locale! H1 q9 m1 P/ V' A0 m
&pokeID); // Array of IDs to fill on output
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; D8 A; ^0 a& w! X5 g. h0 p if (hr)/ [: E- X. G4 Z4 `2 }% A* W* y
{; \0 o0 ]+ V: Y: d4 L {
MessageBox ("Get Poke Unsuccessful");
0 _, h$ Z2 i) a/ o0 E return;
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/**************************传递数据给extend**************************************/! T N8 m; T6 F% C
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ ?/ u/ { ]4 v! \9 j
, \# \ U7 F- n- v: x valueStr = SysAllocString((WCHAR *) L"1232");- P0 L; J5 q3 |' P3 I+ o" q2 v
VariantInit(&pokeVariant[0]); $ m- A. }! L" @5 Q
pokeVariant[0].vt = VT_BSTR; Z( {, w! @5 n9 k
pokeVariant[0].bstrVal = valueStr;5 O7 f; s5 u: \ L
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 V8 A' {9 ?( N/ `5 D
VariantInit(&pokeVariant[1]);
6 j6 f: C6 P. c) p o pokeVariant[1].vt = VT_BSTR;4 {6 e- S( p6 B9 g# i1 I
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
5 W2 h q: w5 I( z9 v( [ VariantInit(&pokeVariant[2]);
2 @/ B; v% t9 |) Y" i pokeVariant[2].vt = VT_BSTR;
( n8 ~/ F/ R1 h5 V) A pokeVariant[2].bstrVal = topicStr; }) ~3 }" y( R, u h* v% ?
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// Set the DISPPARAMS structure that holds the variant.
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* I+ {$ @% V( N$ I- P dp.rgvarg = pokeVariant;5 J( f# v4 P% S) e+ J
dp.cArgs = 3;: w/ Y7 r" d8 q& y1 g
dp.rgdispidNamedArgs = NULL;
1 ~2 ^ G7 d/ ^' v7 B& A dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
- W( a0 V* i6 [0 @ pokeID,
$ R" j+ Z/ o& k, M3 I8 H& \( K IID_NULL,' h7 Y' J' ?, P. @# W
LOCALE_SYSTEM_DEFAULT,, B( L/ ?- Q' S2 B/ ~* s
DISPATCH_METHOD,# m2 E/ ]! N2 i. x- y _7 B: a
&dp,
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&ei,
: t! }: ^" L. c% i! M &uiErr);
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2 X |+ [. U: u& a: \- g+ _ w SysFreeString(topicStr);
' r" n A/ N( H$ D( J `# X/ M( V. W$ _ SysFreeString(itemStr);9 a5 Z5 B& {8 u% {6 W$ l; b) d+ x
SysFreeString(valueStr);9 G' t, }0 Z& w4 o& v) g9 N
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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???
1 u+ r$ d! P- r# L9 G) b. _7 u+ F% `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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2.这是request的程序1 }5 l" P" J# w ~- A0 S/ @
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's& Q( i1 n9 m4 O( H) K; u8 x3 y
// type flag to indicate the fact that this variant holds a BSTR. Place the# `9 R7 b7 O2 n: K
// BSTR into the variant structure.9 Q1 m' S# T7 Y$ D9 a6 H5 C
2 `/ ^$ b1 `0 z3 V( @# A' A& _ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);' Y: g( I& r/ d! H0 E
" Z( P4 ?" g; J2 }& u itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 ?" w( e) f. H- `1 n b" y
VariantInit(&requestVariant[0]);
8 ]2 t% k9 u5 C5 \ requestVariant[0].vt = VT_BSTR;0 V! p7 Y' t# l! c @/ l
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
! c: k; y9 q6 r% k9 H VariantInit(&requestVariant[1]);
3 m, T2 v: g* x. b2 U" n" ^ requestVariant[1].vt = VT_BSTR;8 S2 v- A" e& @' U6 {. M
requestVariant[1].bstrVal = topicStr;
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4 h, e7 h# e7 n7 a5 L// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
; r- A5 Y, {: W; X8 e dp2.cArgs = 2;
: r# x6 m8 W! y( L: I1 T8 R dp2.rgdispidNamedArgs = NULL;& z) g& g/ g# D {0 ?4 c' ^4 I
dp2.cNamedArgs = 0;+ ]1 E+ \% y V Z
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var.vt = VT_EMPTY;7 B6 p8 u8 d! F% `- J: Q, L3 W
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// Call IDispatch::Invoke()
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; {' Z2 Y( G& E( O& i) X: j3 L* k7 s hr = m_pDisp->Invoke(( D( y4 v. L9 G2 N0 O6 [
requestID,
5 E) s* |9 |1 S' ^5 Q" d; m/ ` IID_NULL,! O0 M. f! j# L% h
LOCALE_SYSTEM_DEFAULT,
2 l: _6 q7 T# O8 V5 h DISPATCH_METHOD,
' v8 t& |" ^: F9 }: G$ p &dp2,
+ g8 ^% g, p& ?1 c4 w& ~$ E0 Y &var,1 @7 |) E3 p Q. H0 i( Z. e
&ei,7 c& I5 l2 m2 `- A# ^
&uiErr);+ ]- r- Y4 S5 v$ p* q' ?
# }5 @$ Z" R+ \1 _0 Q SysFreeString(topicStr);
( A9 y! b3 R6 b& { SysFreeString(itemStr);
8 \7 @) t: N S: o" o+ U请问该程序是获得extend里面的哪个值?; @/ E' w0 p3 Y. v9 a
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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