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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:( J9 p5 t: t+ L2 t( X7 a& q
Name = (WCHAR *) L"Poke";
' \2 ?/ [% e9 y" n, y# { ( [4 m7 R; t* G! }; G4 c
hr = m_pDisp->GetIDsOfNames (
$ I; ^- F) n8 } IID_NULL, // reserved/ }8 V! j3 V+ d5 ~( i- g) Z, B
&Name, // Array of names to get IDs for( [! e; N7 ]9 @/ w k2 _
1, // # of names in the array. h p2 N+ @) e" A7 ^
LOCALE_SYSTEM_DEFAULT, // System locale
2 d8 j4 M! {: ]/ r &pokeID); // Array of IDs to fill on output
4 _7 N: Y2 I- t* T0 f
) t% m* t* Q4 ~' b1 I% F if (hr)8 b- v% E7 O( ]( K2 l
{
2 W- `) Q1 k' }& k5 p P& I4 N MessageBox ("Get Poke Unsuccessful");6 ]" l9 S. p* d
return;
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5 D. \ j% c( u! E/**************************传递数据给extend**************************************/3 {. h3 k0 \( o6 `, D# d: w8 l
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. i) R6 n/ o Y7 g! I8 b* q
9 ]( `' H$ ]3 S
valueStr = SysAllocString((WCHAR *) L"1232");
8 Z0 N9 Y9 G s- j x VariantInit(&pokeVariant[0]);
1 \0 Q& ]: R) p! H9 T: `9 z pokeVariant[0].vt = VT_BSTR;, ]9 V' @6 S" o
pokeVariant[0].bstrVal = valueStr;
. N, _( W! k- E" R7 p( V$ \7 _
/ B9 f. I3 H6 g- x0 ^ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 J0 L3 r4 I* z: Z" d3 f VariantInit(&pokeVariant[1]);
& N/ T% `5 Y7 W7 a pokeVariant[1].vt = VT_BSTR;
& N! L* P6 M0 I; v: z pokeVariant[1].bstrVal = itemStr;
5 g1 l) h7 q7 D0 d1 j1 a9 r) H) @. g# Y' m1 B' b. R
topicStr = SysAllocString((WCHAR *) L"system");
- ]* m% a8 e$ x, o3 O9 T$ X VariantInit(&pokeVariant[2]);
- o& N5 D. d. [: X/ l* G, M. ^ pokeVariant[2].vt = VT_BSTR;
! X/ i" @7 d4 x9 E6 l pokeVariant[2].bstrVal = topicStr;9 i: b+ k, s) L6 V% {* S& N
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// Set the DISPPARAMS structure that holds the variant.
+ H; `0 h0 Z4 a" t3 O# L+ p* ~* R6 g
dp.rgvarg = pokeVariant;
; x8 \1 [8 w# l+ C' s dp.cArgs = 3;
0 T7 b/ s5 u2 v6 v dp.rgdispidNamedArgs = NULL;
0 H3 K! I2 \- M3 Z dp.cNamedArgs = 0;
4 f! g* S/ r, o: W
& b0 ]/ P* Z& K" G' h// Call IDispatch::Invoke()+ l* m7 v- x. L, F5 \
% N6 G8 V0 K3 @* ^# D' o2 B$ S hr = m_pDisp->Invoke(
7 d+ b' P2 i7 h9 }+ q9 _ pokeID,( `, x6 h+ A( F0 X3 _2 {4 U
IID_NULL,5 Q7 v3 l: o$ c) @3 O4 }8 n. A+ J
LOCALE_SYSTEM_DEFAULT, D" E7 B* \5 @' i9 k" |. u Q
DISPATCH_METHOD,$ q! m- U3 ?, H! K- ^8 \
&dp,, F: q. k: B' K
NULL,; ^! \0 ~1 ?: @: x, d0 r7 C0 a
&ei,# O3 }9 W$ D5 H5 W4 C" r1 {
&uiErr);' I' Z. P1 s) B7 Y
! _" }2 o& a* {! k' @3 {3 z
SysFreeString(topicStr);
9 z: F6 I7 y# s3 u4 k8 s+ ~ SysFreeString(itemStr);
X( `2 x% W( q! _; m SysFreeString(valueStr);) ~& i2 U0 q/ n, A9 z6 s
; D! H1 H5 v2 q( M v6 T. q0 B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???) R7 p0 O; } I: y. 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????; m) a: g% [, T+ m
, Z7 s* {( H9 q! q/ S4 O: T8 R7 C: Q+ _& X: ~0 m: D
2.这是request的程序1 f" d% f: Z6 S! @5 {! A g( d
// Request a value from Extend
* n) V: G) s! s4 W; W$ v3 B//
+ F% f, `9 }" [3 l6 p+ y// Initialize the variant that will hold the BSTR. Set the variant's; J; E- K# F/ m8 f) E% q- i8 f
// type flag to indicate the fact that this variant holds a BSTR. Place the0 u2 R0 N2 k6 X) m; d" A! }
// BSTR into the variant structure.
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& ~- |; G- o, G' A# W requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
! ^/ I& T/ k8 O4 u. D 6 v: S2 a7 b4 Z) C( D9 J1 x
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! Z; S L' ?$ T VariantInit(&requestVariant[0]); % Y3 R3 r# a, U% ^8 l; \$ a D5 D1 ^
requestVariant[0].vt = VT_BSTR;2 u! F5 H! M6 L7 f
requestVariant[0].bstrVal = itemStr;# R* H5 W' f! `
& X" v7 J! }4 f5 Y
topicStr = SysAllocString((WCHAR *) L"system");
! e" ?3 H, B* z5 N7 E! `. J9 D VariantInit(&requestVariant[1]);
5 B; H! r% \( ~4 f requestVariant[1].vt = VT_BSTR;
, z. R( q) Q% a6 x( W requestVariant[1].bstrVal = topicStr;
, N) J) C+ c. g1 o+ }4 N9 s! ?! N7 f4 G
% }% P/ s1 a' b, J0 ?0 C/ M// Set the DISPPARAMS structure that holds the variant.
5 _2 D7 p( I: m
8 g- F h9 v" S dp2.rgvarg = requestVariant;
3 k8 Y, n$ p7 E! _ dp2.cArgs = 2;
3 D3 e3 a t. ^8 V; G& V9 K dp2.rgdispidNamedArgs = NULL;
3 r# ?1 M) \5 g1 x dp2.cNamedArgs = 0;
3 j. f" k% H# @+ _5 k6 d, }1 E2 ?3 s# b, o. n" Z# h
var.vt = VT_EMPTY;4 B+ j+ k: r3 s
# V& p1 B8 X) u/ _0 `( L& s
// Call IDispatch::Invoke()
3 I2 D s3 H) _9 {% E
- `+ h% q. }# Y2 ^9 U9 [( o7 m hr = m_pDisp->Invoke(' t; I# D% k2 t" R+ f& G5 P& q
requestID,
6 a, y2 w$ L. D# c9 f- k IID_NULL,
: G) ?' c" }0 ?+ [" }* y2 K. ` LOCALE_SYSTEM_DEFAULT,
) t2 v. A( j x6 m' ] DISPATCH_METHOD,7 Z5 ]) a e7 T
&dp2,* q% h5 E- s& m0 g5 F+ r) p% O `/ a6 X
&var,: z7 K& g; c9 n0 k E
&ei," S7 e1 F1 O# G& ~$ d/ k
&uiErr);. T, H& {/ A+ t" M# N
5 W: g+ R" j5 I
SysFreeString(topicStr);
7 X( {; l) z: [: o7 w* L. X7 C6 z SysFreeString(itemStr);
" p1 A' V: L2 Q1 }: D U请问该程序是获得extend里面的哪个值?
D" M7 y1 g( P8 K+ Z$ O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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