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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:# N- ^0 P( j8 o: X) V" g
Name = (WCHAR *) L"Poke";' _0 A- y4 @* N8 b0 T/ K$ X; p
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hr = m_pDisp->GetIDsOfNames (
5 R) }/ o+ t+ ~* ` IID_NULL, // reserved
) K2 U7 O$ i0 E3 T &Name, // Array of names to get IDs for
; p7 ^ k) H! Z, f7 t4 z 1, // # of names in the array
5 d, g0 y, `! j4 m+ h5 j5 e! [ LOCALE_SYSTEM_DEFAULT, // System locale
4 R l8 a: _! n5 @ &pokeID); // Array of IDs to fill on output V5 c" V/ t$ e$ Y# w2 J7 s* v' [
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if (hr)6 H$ i2 I6 {+ w% \
{& W4 ^4 }% ~2 ~/ R1 m! Y$ @
MessageBox ("Get Poke Unsuccessful");
9 O* X+ h# G o7 U S+ F return;5 F' r: Q( j4 a# Q. U9 {& p
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/**************************传递数据给extend**************************************/ k: }5 x9 z6 y( `
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
8 J; \! ]/ `2 Z# N0 F* ~* x1 P# D VariantInit(&pokeVariant[0]);
) n( S: P: v+ S* _ pokeVariant[0].vt = VT_BSTR;
3 }" ~# n1 w7 b% I pokeVariant[0].bstrVal = valueStr;
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. `: A" w& T" ^4 } itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 l8 L+ [! D! V' F9 o! q& ]
VariantInit(&pokeVariant[1]); / w' p$ d4 h j/ T# |% Z/ m8 `4 `
pokeVariant[1].vt = VT_BSTR;
~# z9 i1 ^% t$ S pokeVariant[1].bstrVal = itemStr; J5 C$ O7 M6 z5 v* k. O# f
/ m9 C$ I) S$ J topicStr = SysAllocString((WCHAR *) L"system");4 t. k. O4 V" N+ a4 ~" S' ]1 G
VariantInit(&pokeVariant[2]); + ~: a* C' c& t g" R- o
pokeVariant[2].vt = VT_BSTR;
, } U2 `% Y6 Y, S% h6 y pokeVariant[2].bstrVal = topicStr;
! x* t: g( l/ m* l
3 G0 P' O2 y% p0 i' m/ F5 S# @7 r// Set the DISPPARAMS structure that holds the variant.
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" P4 O! }6 L/ ]/ R/ _' \ dp.rgvarg = pokeVariant;
0 m* h8 Y; Q, T dp.cArgs = 3;3 T7 j( Q( u6 v" Q* `
dp.rgdispidNamedArgs = NULL;- W! T0 h2 _5 A. e2 e# i
dp.cNamedArgs = 0;9 r. K) w/ A% w
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(" a" ^# {9 B: n& E, z% L+ P5 O0 A
pokeID,+ O" a+ a1 [) N: N
IID_NULL,$ ~, }: G1 O; p- V9 J
LOCALE_SYSTEM_DEFAULT,2 e& c' p: N. U7 U3 G
DISPATCH_METHOD,$ j+ |. c, j0 Z- H1 v
&dp,# }6 n' n) z l0 S X
NULL,
0 [3 D$ p3 j0 S1 G/ O+ u! l &ei,3 `' c$ D7 h# I* y! F
&uiErr);
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% _# {0 t* X l" B$ k4 H* e SysFreeString(topicStr);
o, r) {( {7 C# ? SysFreeString(itemStr);: l& w5 O) ~: S1 y
SysFreeString(valueStr);# C% i# Y+ x) x% }4 ]$ 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???
4 S0 |: P3 S9 x1 S* {+ U% k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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' y+ G4 M' I5 W8 D- P2.这是request的程序4 H& m% T5 y; t4 z* Y
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
; k* p3 x& g( Y: m& x( N) a1 N// type flag to indicate the fact that this variant holds a BSTR. Place the$ V, Z2 s0 `' s* O/ L# X% }+ _5 c/ j
// BSTR into the variant structure.
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" B( f' N; @0 i2 l4 }9 { requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);& C1 z/ O5 v* k- v8 K- z3 \# `
X' ~; g9 ~4 m2 N, y* E itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; \* Z5 n# _0 H9 ] VariantInit(&requestVariant[0]);
1 v' y+ ~1 P3 ^5 q9 L; S requestVariant[0].vt = VT_BSTR;
* a# e |/ O) I6 [# z requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
3 S$ g7 N- l8 h1 E VariantInit(&requestVariant[1]); ( r+ S8 I) F1 u4 s- u! b
requestVariant[1].vt = VT_BSTR;
3 v6 H* R% ~. M requestVariant[1].bstrVal = topicStr;6 Y7 H+ \8 Y1 @4 E8 J
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// Set the DISPPARAMS structure that holds the variant.7 `, f( R4 O; r2 R
; Z6 |5 w& K9 N7 Y' ^, i6 @! s% y dp2.rgvarg = requestVariant;6 n) k# B) C9 ~- D
dp2.cArgs = 2;
, J$ W* h& b% _' K7 A: y dp2.rgdispidNamedArgs = NULL;! A3 J( C0 l3 D7 n6 M
dp2.cNamedArgs = 0;
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+ p9 F( d6 b, D: u7 w( c3 C; B5 ^ var.vt = VT_EMPTY;
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. \# F: I% [1 M6 _+ v9 y// Call IDispatch::Invoke()
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3 \% q# E3 B6 ^; K* [' o0 m hr = m_pDisp->Invoke(3 J# E+ F5 }7 ~" O+ W
requestID,
7 {' o: X }6 V IID_NULL,
8 t1 o# W* H! m; m7 e LOCALE_SYSTEM_DEFAULT,2 x8 }1 Y6 g" w3 x% Y+ V
DISPATCH_METHOD,7 K9 I% R: k7 F! K
&dp2,
1 Y4 ]: I# M/ {# W &var,; I z& a+ O0 i% `, Y! X
&ei,
: p9 M: V$ T) T &uiErr);
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% K" q5 a/ i) N( A, J8 s( R SysFreeString(topicStr);
. ^0 L% P4 ^4 c; u+ h7 X2 |2 l& z SysFreeString(itemStr);
5 L1 J$ {7 v$ s; b6 P' L: K请问该程序是获得extend里面的哪个值?9 Y+ s# h+ c3 l2 `* V* I) J I
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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