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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:
# J" N d7 `0 t: } S% j; ~% MName = (WCHAR *) L"Poke";
7 _8 c/ O% E4 w
% a2 g: Y( `& C: t hr = m_pDisp->GetIDsOfNames (6 G5 H3 Z8 K6 u$ @2 G# U3 @
IID_NULL, // reserved
$ m3 H1 _; o! C' W8 z: T$ |6 }5 F &Name, // Array of names to get IDs for
A5 o) c' ^ c: N6 c, g 1, // # of names in the array
! w- S4 H2 k( \2 O4 ` LOCALE_SYSTEM_DEFAULT, // System locale; u/ j, t" C8 U" v- r! p9 p
&pokeID); // Array of IDs to fill on output5 k7 D' h: ^8 |8 y) y- Z Z4 Y
# f5 n2 O; O4 J, [; T( ^
if (hr)
8 k9 U8 w( e" n! }+ U {
) d0 l7 E5 S& f! C5 `; K MessageBox ("Get Poke Unsuccessful");
; B# r- v9 S4 z/ b- f' L return;
4 k7 ]8 j. Q& x' C* N' d }
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; @6 W# [, K4 }3 i3 ~# ]/**************************传递数据给extend**************************************/
4 ]7 ^. g) ?: E0 x pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); n% z5 G% ?( m! J
, [0 s. d. o3 M$ [' t* b valueStr = SysAllocString((WCHAR *) L"1232"); d8 Z- O+ y/ Y5 q! I" {
VariantInit(&pokeVariant[0]); % d( l1 [7 @8 a8 s7 S! M4 O
pokeVariant[0].vt = VT_BSTR;/ E+ U3 }4 ~4 b; }7 M' l- T
pokeVariant[0].bstrVal = valueStr;
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" O+ A: F; Y7 \* @. A itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 }8 |6 c! F( u3 N VariantInit(&pokeVariant[1]); % w& }7 i! |1 @ X
pokeVariant[1].vt = VT_BSTR;
! C4 i6 {" F8 e& {# X3 p' d3 D pokeVariant[1].bstrVal = itemStr;
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9 r; K' w! n$ g0 l. o topicStr = SysAllocString((WCHAR *) L"system");1 O) R8 a* {4 ?$ D2 r5 A3 M
VariantInit(&pokeVariant[2]); 9 P- G8 l1 e3 u# J
pokeVariant[2].vt = VT_BSTR;% C( U+ M: J( `( w
pokeVariant[2].bstrVal = topicStr;) p1 |# D) r; D4 m% m6 X
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// Set the DISPPARAMS structure that holds the variant.* N- v; j) E. a* @. D( B9 p
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dp.rgvarg = pokeVariant;* a5 f, k5 X! k
dp.cArgs = 3;" c% R) U1 Y0 m0 Y2 ]
dp.rgdispidNamedArgs = NULL;
~* w7 @4 D% s. q' i3 a. ?) H( f dp.cNamedArgs = 0;& o# K) G s# z/ E
5 |$ O9 ~+ X% f* |8 \" }// Call IDispatch::Invoke()8 k+ K1 F( n9 `* G
' b2 s1 k' u* S0 t+ c3 s2 O' @ hr = m_pDisp->Invoke($ v3 g H6 r8 T" c2 z
pokeID,4 d3 d0 {6 i& X0 e! L/ T
IID_NULL,
* K! H3 Q) C9 X1 l4 I LOCALE_SYSTEM_DEFAULT,
P$ N, o. p" [. z$ w4 ]" M DISPATCH_METHOD,9 ~7 l% E7 e, u1 \8 }
&dp,0 `9 o8 O; m9 s
NULL,% r0 j7 j) N+ p* B
&ei,
: b2 c7 o" {8 m) g &uiErr);
# r% }9 W) l% U
; a' n6 b4 _3 s3 ~( w9 `4 B4 z SysFreeString(topicStr);
4 L( w- S7 N; C7 d SysFreeString(itemStr); r- v8 M9 [. e; k0 O& u7 n2 @0 R6 C) d
SysFreeString(valueStr);
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" F9 Y0 M$ P3 N0 h1 L4 o1 T! P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 W) r1 a9 x* o% V: U4 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????
; S9 z( Y, u9 ?
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2.这是request的程序& {( n* F" {. @% W0 M
// Request a value from Extend; Y) J% e1 g+ p3 e! v0 @0 q
//
6 m1 B* v, e( [+ t// Initialize the variant that will hold the BSTR. Set the variant's
9 U/ A( w9 M; [# t: @! q// type flag to indicate the fact that this variant holds a BSTR. Place the/ X; w- v- B: y( E6 [
// BSTR into the variant structure.
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. c4 H& F! n2 c requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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- V7 t8 I! R' K% C8 r; I' B itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: X- J( F& L: C( Q0 M VariantInit(&requestVariant[0]);
4 L* l) }% L4 t; t requestVariant[0].vt = VT_BSTR;4 J- y4 `: l4 g# l4 f
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
! U$ h! X% B7 W5 h1 n VariantInit(&requestVariant[1]);
: }( \+ B" M% W3 v* ]6 W0 ^ requestVariant[1].vt = VT_BSTR;) X' k. e3 P0 P3 C. V3 X
requestVariant[1].bstrVal = topicStr;
/ z" f6 T# c! x' A
1 i G, t0 s" x// Set the DISPPARAMS structure that holds the variant.6 [7 g1 _' u* w5 `
) D# s/ z/ o5 w% t# [ dp2.rgvarg = requestVariant;
2 l+ n5 |* h: ^. t# t4 t dp2.cArgs = 2;
1 j( |) s& A7 ]/ B5 i; B) j dp2.rgdispidNamedArgs = NULL;. E" m- @- W8 X. _& R
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;9 t8 `3 Q& U% f( L) x( f$ {& E5 B0 x
# n d* I& P8 Z* j1 [" I// Call IDispatch::Invoke()
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" b# b; \: X* ?) [ hr = m_pDisp->Invoke(
+ w2 b2 a2 N5 G0 W8 d' X requestID,
, E6 D. S8 b( C, h* J IID_NULL,
) ^; u" l! Z& G- [7 B' ] LOCALE_SYSTEM_DEFAULT,% F1 A F" t3 y; u7 u+ m
DISPATCH_METHOD,7 c S$ _- n6 m" m3 A* f) I7 J
&dp2,
; y0 R. P/ c2 _# M+ @4 ], x &var,
, E E; `+ C+ L6 i) y &ei,; z% T( V" M/ e8 A4 ]( Z- r
&uiErr);
$ U) ]' |- h/ z9 w( P
6 L9 O' Y$ o6 u. B; s SysFreeString(topicStr);1 F8 a0 Q0 z+ D: b' |9 y
SysFreeString(itemStr);
& N0 E/ @! u' ~3 h) M- F0 l请问该程序是获得extend里面的哪个值?
H3 Q7 s& J" {( i0 {8 i$ 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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