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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:0 j( q8 f# ~$ K' \3 }
Name = (WCHAR *) L"Poke";+ y+ r# \) \2 F3 d0 h3 _# ?
* L9 \# p, m' j2 n+ r
hr = m_pDisp->GetIDsOfNames (
1 g3 m; W5 @+ b; }" k3 r# d' x IID_NULL, // reserved
- m/ G# p6 g) z) R$ W &Name, // Array of names to get IDs for1 H; V9 [' E7 O8 ^3 K$ S
1, // # of names in the array3 G. m5 z5 B" g! s9 p, l
LOCALE_SYSTEM_DEFAULT, // System locale
1 @$ `- E" b4 I- S; C &pokeID); // Array of IDs to fill on output* L* Z" ?1 k2 Z: u1 f7 a/ L
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if (hr)
- A+ ~3 P, d; M( C1 m, {7 e3 C {
) C3 ^5 u- B' _0 ~ MessageBox ("Get Poke Unsuccessful");
/ s7 u# W" W& J2 q. v return;, l$ _ B" n1 y; d! e; p
}( Q2 @: l: }3 j6 s7 L
- u2 V3 Z2 I% u( B8 H/**************************传递数据给extend**************************************/% N: \+ E/ F/ Q+ n. u: ^( X- u. C
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);1 [) e: z3 r* t+ ]* n
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valueStr = SysAllocString((WCHAR *) L"1232");& \* R+ r4 }8 S6 u% [! c6 T; a7 |
VariantInit(&pokeVariant[0]); ) H+ _- U4 S3 \# q/ \1 L/ N8 T
pokeVariant[0].vt = VT_BSTR;
* \: i9 }6 ^+ i5 S pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 g+ _" j* L1 R- V: l9 W VariantInit(&pokeVariant[1]); " i% R7 A* w1 N3 ~; A
pokeVariant[1].vt = VT_BSTR;
: X, I( ^& G+ [7 ^ pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");/ |0 m2 w! K* m7 q, n* V3 j8 [
VariantInit(&pokeVariant[2]); & k; ]. \, V# q3 w& d
pokeVariant[2].vt = VT_BSTR;
2 n8 S0 ^0 i- @ pokeVariant[2].bstrVal = topicStr;
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. L6 M# F* ]6 H7 u3 H" L// Set the DISPPARAMS structure that holds the variant.! Y( N2 H, S* W4 { D E9 ^6 m
9 V% g/ ^ i, z# H! s9 h dp.rgvarg = pokeVariant;
. R; P) d8 O8 I& J# K& J2 Z dp.cArgs = 3;9 m+ j+ z+ ?" A; Y& C) o: M. P
dp.rgdispidNamedArgs = NULL;
0 m* O) r+ L* p% ]. P dp.cNamedArgs = 0;
. U" M# a0 |9 |/ v% s* r
* y7 [6 m8 K' u7 ? b// Call IDispatch::Invoke()
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9 r, a. @. D- a2 Q, e) F9 z hr = m_pDisp->Invoke(; b, x- y/ E; U6 e# G
pokeID,
3 h( Q/ V- L! f2 |4 c: c# } IID_NULL,
0 G5 c+ l3 N1 s0 y/ o# N: L% u* ?" D LOCALE_SYSTEM_DEFAULT,
% T6 r S% Z5 x0 h% h+ f8 x) a DISPATCH_METHOD,( n# p5 P) x, T" w" V8 |6 T, o
&dp,
6 K" x4 H" B8 _ NULL,
1 H( R% V! ^( A8 Y9 s &ei,# x/ A: P' q( f5 V7 U% `. s
&uiErr);$ L. l# P1 ~5 s. {
. [* X$ [$ C7 b; {3 E) d- m/ \6 \/ ] SysFreeString(topicStr);
+ I# D# ^; J- z- M SysFreeString(itemStr);
$ ~+ \. w7 B+ _7 n SysFreeString(valueStr);
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: N" V; V/ r3 i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???
1 p# G9 r+ n' A2 h% b' o7 b+ @6 E6 s3 ?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????! D! } G( Z4 h! z4 J6 r) \6 S
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& `0 \! t' A# N6 ]2.这是request的程序+ ` h' ~% p6 I" l' P. B
// Request a value from Extend
7 k2 k. i j4 R9 X9 |5 i4 ]//6 v/ ?# x; | u( H$ ?
// Initialize the variant that will hold the BSTR. Set the variant's
& [7 D+ u5 P8 J// type flag to indicate the fact that this variant holds a BSTR. Place the) j% L$ u3 X. f U! _& b4 y7 P
// BSTR into the variant structure.
1 s2 f+ @4 p2 s8 T! \+ h
9 K* c+ s3 ], R- | requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
" \# E! r; k4 ?
$ {0 N+ O) u" V h: c5 P" Q3 V itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" c9 _# P+ f& E9 _# O4 m VariantInit(&requestVariant[0]);
" y! F9 L8 Y' G/ U" S" E1 x requestVariant[0].vt = VT_BSTR;
* j! L1 w4 k2 H0 O+ L requestVariant[0].bstrVal = itemStr;
F7 v, O) b) q2 t4 `: M1 h7 K3 L0 R8 E, C3 Z7 d, o3 y2 N# }( n
topicStr = SysAllocString((WCHAR *) L"system");. O! ^0 l! n+ z4 c ~" {
VariantInit(&requestVariant[1]);
+ J+ Y. D9 ?% {7 \3 G) Y% t requestVariant[1].vt = VT_BSTR;, b9 J0 u7 U, \3 I! A, S3 K
requestVariant[1].bstrVal = topicStr;
! o; o; z' w. F( g; i
; |: X* R0 I/ l/ o+ q// Set the DISPPARAMS structure that holds the variant.
- ~) e* k0 f6 L9 U
+ d( {- t/ z6 O0 t8 d* N+ ] dp2.rgvarg = requestVariant;% y+ |& I" Q+ K5 I( n. B
dp2.cArgs = 2;
2 U, q& V b6 _8 M+ ?6 x dp2.rgdispidNamedArgs = NULL;3 ^0 |6 |% M6 ~4 Z9 b$ s
dp2.cNamedArgs = 0;& w6 n9 X' S* M' z) v
( U- ~7 l, N. r2 h var.vt = VT_EMPTY;1 S0 c4 [( P9 A5 Y% u9 p5 w. `5 e
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
/ j7 c5 J8 ^: h. J9 t requestID,
4 l! z* S7 Q. n5 W. o2 b8 }5 s IID_NULL,9 M2 X; ^/ j8 V; I
LOCALE_SYSTEM_DEFAULT,
# g" Q4 j% f5 C; W9 h0 I DISPATCH_METHOD,! Z& O \( s1 c# F0 M0 {' a# m# i
&dp2,* V! _! n4 B8 T E' q% F. z
&var,
# {% J2 V- g, w &ei,$ Q: | r1 w6 H! [% ^* I
&uiErr);
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SysFreeString(topicStr);* c e7 e7 \" [: s; S+ X
SysFreeString(itemStr);& a, M( }: C' m2 P7 C- G
请问该程序是获得extend里面的哪个值?
# a( h! e4 m8 I; {1 n" g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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