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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:
) A0 y7 w3 y; z c' y2 }Name = (WCHAR *) L"Poke";
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& s9 R2 C1 g2 H" m. ^; X5 F" a, V1 g& r hr = m_pDisp->GetIDsOfNames (/ b) M" \$ x* c
IID_NULL, // reserved
T' a) f. \0 V0 k" g' t &Name, // Array of names to get IDs for7 {2 C; }- K ]( l6 P
1, // # of names in the array, ]6 \$ [* W6 _1 @. l) L
LOCALE_SYSTEM_DEFAULT, // System locale
7 q5 \+ A# _8 V9 d+ c- | ?5 m &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");5 r. ?' T: y6 w" e: U; k5 n
return;
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! r/ c% f, v& E+ n2 {; Z/**************************传递数据给extend**************************************/+ w8 s$ L" e/ k1 Q% Y
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);$ G- s8 M$ v: J/ t' J0 S y
4 P ]7 W$ Y& { T' { valueStr = SysAllocString((WCHAR *) L"1232");9 T- g* H2 e w3 R. a
VariantInit(&pokeVariant[0]);
8 f( [7 @' Z* `# K+ `* m pokeVariant[0].vt = VT_BSTR;
3 C, b% A& b3 ^4 {0 @& y6 {* | pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. e: G _+ f$ P& ?& `! W7 v
VariantInit(&pokeVariant[1]);
% \1 D/ _% t' b2 S/ E! N pokeVariant[1].vt = VT_BSTR;2 e0 w. W7 x0 ?* L0 r4 S) h4 B0 _
pokeVariant[1].bstrVal = itemStr;
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7 \, ?2 B. D# d9 D9 H, y topicStr = SysAllocString((WCHAR *) L"system");
- P) U5 |7 N. k VariantInit(&pokeVariant[2]); 8 l3 y6 J* a/ A% {: d
pokeVariant[2].vt = VT_BSTR; J$ i5 W+ I( k% K' |" Z
pokeVariant[2].bstrVal = topicStr;3 [5 q9 q) B* O8 ^: [8 m
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// Set the DISPPARAMS structure that holds the variant.
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& `4 w" l2 ]1 W2 |8 P dp.rgvarg = pokeVariant;% a0 y% J% d0 a* I! A! ]# ^
dp.cArgs = 3;/ k" l2 O+ f0 Q' p/ d( \! R& N3 B
dp.rgdispidNamedArgs = NULL;" ~: f+ m& A6 R6 ^
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()3 [: Q7 W2 @+ l( ^5 j9 J' d g) O
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hr = m_pDisp->Invoke(9 E, a0 E: N8 K$ r) s- T
pokeID,
1 ]4 g! w' a+ K. f+ _8 d0 m" X IID_NULL,7 b; N D3 x: G! w' O( \
LOCALE_SYSTEM_DEFAULT,
/ f- p9 e' N6 r: s- b X6 V6 V DISPATCH_METHOD,; R6 ^: [# l+ P: K; j9 U) V; W
&dp,6 B7 |2 i3 F/ v- S1 Q
NULL,. J) z/ z- L; ]3 t. v
&ei,' R ^, _' K. }+ I
&uiErr);
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$ w5 P& ^$ W7 A2 u- h D% `$ O) s SysFreeString(topicStr);
. o4 @6 C5 E" u6 s) w/ @ SysFreeString(itemStr);- `6 j+ J& U) W6 O @
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???
6 t. z8 Y1 f, @8 E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????) u" W8 I: f: `: K+ |/ t& x
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2.这是request的程序: U6 N/ P: g( X& I+ s8 ^. ]6 {# N% }
// Request a value from Extend
1 h z, Z1 F, P1 H//
% p6 e d6 O3 A// Initialize the variant that will hold the BSTR. Set the variant's
. R) u# i2 V( _1 g6 m/ l// type flag to indicate the fact that this variant holds a BSTR. Place the2 Q! A0 ]2 L8 x$ M' j2 R; v
// BSTR into the variant structure.5 [. I% ?0 H. o6 H
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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- S5 K0 K0 W6 k; t) \/ _" T* b* s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! p3 r0 ^8 L4 }, X& w0 i
VariantInit(&requestVariant[0]); : ?- n9 X( c: v9 ?7 ?; R
requestVariant[0].vt = VT_BSTR;
5 y. U @5 f, J' r1 ~ requestVariant[0].bstrVal = itemStr;3 |1 _" @2 u7 X* |; T" w# ^5 ^0 u
1 T" y0 x- W$ Y, w9 T: M; [) D& f3 c% N topicStr = SysAllocString((WCHAR *) L"system"); x9 ]/ B8 H1 T3 ~8 S' T& ?
VariantInit(&requestVariant[1]); . w# r6 c* Y0 ^+ b
requestVariant[1].vt = VT_BSTR;! W& `# m9 h0 f5 h0 a
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;& C8 h( @. i9 N6 k
dp2.cArgs = 2;/ n( ~& }# L0 V: U& T) k) A4 U7 |' N
dp2.rgdispidNamedArgs = NULL;7 @7 Q% o: u. M0 m
dp2.cNamedArgs = 0;0 s }' O- ^4 U3 d
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var.vt = VT_EMPTY;1 ?5 x# h! A& L& h% R/ y0 Z; M
8 `9 E: B: m* X1 H6 u; \" n' P) `// Call IDispatch::Invoke()1 [7 X: ~+ S0 \, D( p
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hr = m_pDisp->Invoke(
! c, r& n* c( I3 n- m+ A requestID,
* v! t+ Z3 C1 M2 K% Z IID_NULL,# M v/ P& |) g, q
LOCALE_SYSTEM_DEFAULT,
9 a* c$ }( s' H8 w; V0 m: U' A0 A DISPATCH_METHOD,
; L, w/ Z" B6 W" G, M4 H/ F &dp2,
" R2 a6 _) M, p, `, [ &var,
! Z" _. D, C. T1 U, b! _9 L( Y &ei,
2 I2 x7 d7 o. x &uiErr);
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SysFreeString(topicStr);+ Y5 c1 L4 B, m6 r4 k6 t) H) Z
SysFreeString(itemStr);4 g' i8 l8 H2 u& m! l
请问该程序是获得extend里面的哪个值?
; J# i% I5 G. K' }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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