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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:. W" f& C& }( ~3 l' S) A( w5 c
Name = (WCHAR *) L"Poke";& E2 ?/ E4 P \& x4 x. g! o
) {% C9 ]1 Z' T5 B" K/ J1 \
hr = m_pDisp->GetIDsOfNames (
; c$ p! _5 `% u3 T8 D {: n0 M1 C" ~5 v IID_NULL, // reserved- ]0 D M0 \3 z2 C
&Name, // Array of names to get IDs for: o8 R; q+ M! E7 C' ^$ g
1, // # of names in the array
6 L/ Q* n0 S4 X1 F7 M0 U: h2 G- f4 A LOCALE_SYSTEM_DEFAULT, // System locale
( k$ E8 ?: f5 q$ ~ &pokeID); // Array of IDs to fill on output2 X0 U0 F1 f6 w+ X3 N2 y @
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if (hr)
% _& U5 L# t# v! E9 H/ p6 l {! X6 X+ C; f. _! @: f, ^2 a
MessageBox ("Get Poke Unsuccessful");2 P) e8 r4 `4 `# Y/ ~" t% r0 C
return;& P; C5 H0 k4 h1 r
}
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/**************************传递数据给extend**************************************/
* Z3 C" I/ y# `. C" Y pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");! i: s7 ?" i* t( I/ j% B7 z
VariantInit(&pokeVariant[0]); $ ?, `& m- _' @" a+ D- L0 O
pokeVariant[0].vt = VT_BSTR;5 l, H7 \3 X5 M: J3 b+ I
pokeVariant[0].bstrVal = valueStr;( F' M4 Z) m3 c) g
' Z) q: W7 `$ T% }* t3 V2 M$ Y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 H( D+ }, o$ w- o: T/ _: D6 | VariantInit(&pokeVariant[1]); ) z: H$ ~8 Q- J6 e
pokeVariant[1].vt = VT_BSTR;' C0 G& @! k9 K4 s5 Q
pokeVariant[1].bstrVal = itemStr;1 m) f3 D9 b, B0 c+ w3 e
& ^! }7 m& T3 e. s- o; N6 v- ] topicStr = SysAllocString((WCHAR *) L"system");
; z* z1 G* R8 }7 t4 i& \5 j% Y9 y" Y VariantInit(&pokeVariant[2]); ( v9 x! U/ p5 p5 a/ C9 [
pokeVariant[2].vt = VT_BSTR;( d/ p; B3 {# s
pokeVariant[2].bstrVal = topicStr;
# I6 a2 t8 \7 A. N
/ d/ Z* _3 h, n9 ]- H// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
- W) n1 n' a+ @, t dp.cArgs = 3;
+ k; O0 |) @" [. C {% d' G dp.rgdispidNamedArgs = NULL;
3 M8 d3 g+ ]/ Z# Z. l" b. d dp.cNamedArgs = 0;
8 r; j% ?. s5 _, t$ E- A) m
9 N J3 d9 ?2 f- t5 `2 k1 n7 ~2 L// Call IDispatch::Invoke()" T% k0 F6 c6 ^
e- _, n' j' a
hr = m_pDisp->Invoke(
! ^4 i: H- s/ d7 E/ t. e$ s pokeID,
* j* O, i" m3 |( u# X( L5 ? IID_NULL,
# H3 ]5 B- C# P' r# M1 H4 J LOCALE_SYSTEM_DEFAULT," D( `5 x% E9 w! t
DISPATCH_METHOD,
2 o( i8 z5 r1 B. a5 E( h3 g9 R &dp,6 E; p6 M! x: D; n8 \9 J& b/ Q
NULL,
+ h& v7 u3 R7 J &ei,, ]: T: A/ U9 u1 R
&uiErr);, @2 ]( } Q. T% J! d6 h
. g* } \6 m8 x2 r0 I, S SysFreeString(topicStr);
# V3 K1 Q! S7 L SysFreeString(itemStr);' i( m# U$ v5 ?8 Q
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???
8 }# z1 P) Z, e' ^* z/ P, C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????2 ^1 u! R; m" n3 k4 W( b
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2.这是request的程序
$ P% v Y% [. f5 d* q/ J ]// Request a value from Extend: O) b. R t" e
//( v& l5 N; B9 k# } V4 w$ G
// Initialize the variant that will hold the BSTR. Set the variant's
$ ~9 L! x7 w" V( S2 }6 |+ O// type flag to indicate the fact that this variant holds a BSTR. Place the
+ s9 m( O* W/ D$ r- [// BSTR into the variant structure.! h: E/ R0 M+ L5 Y: I, h7 W# g
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
9 c8 Y% M& E4 {# ]2 ]: ` / J& l, G7 n/ Q( Z" {
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; T7 ]; G; s% z o5 j P& C
VariantInit(&requestVariant[0]);
3 K+ \2 k$ }" n requestVariant[0].vt = VT_BSTR;' w7 b: p( v _9 v
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
- t1 t- S2 o, A6 U VariantInit(&requestVariant[1]); 2 [. _2 R* R% G6 M
requestVariant[1].vt = VT_BSTR;
7 Z9 \7 `: L; r. ]! e I requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.6 m& l& f" p% r4 }% l; e# i
% N! y$ i5 X1 \* s+ b( | dp2.rgvarg = requestVariant;
$ c$ Y1 y3 {; v: ?! ?: j' M dp2.cArgs = 2;8 G% A4 U& `) U; N! ]
dp2.rgdispidNamedArgs = NULL;6 Q* U0 D' E9 a, k- v2 Z, i$ L! \
dp2.cNamedArgs = 0;: s# q9 S; N- I; V
! u9 j2 {& d6 ?# V4 J
var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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0 K7 F. r [' r3 }: ?( i0 U1 }9 n7 l hr = m_pDisp->Invoke(, U/ a2 C4 s9 x [8 _* v
requestID,* w1 W7 N! [* g" @8 f! X" O& i
IID_NULL,6 J# E' u+ i; A4 W ^* }4 B
LOCALE_SYSTEM_DEFAULT,: i) g9 R5 G6 z2 C* d7 ]2 e- f
DISPATCH_METHOD,- }4 f* }$ [$ O
&dp2,, W: M5 E0 I9 ]6 p; l, q: ^
&var,
1 ?- g; c: }& O. A5 V &ei,$ r7 W4 C! e! ?
&uiErr);
* ]2 l6 g! S! _+ Z, w
9 W# D" x B' t SysFreeString(topicStr);
+ R9 j9 y' p9 b. n5 f SysFreeString(itemStr); N @2 _! S8 `) b' x
请问该程序是获得extend里面的哪个值?$ S) z% w; J' S& _/ 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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