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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:' l* O8 Y2 R3 S! j
Name = (WCHAR *) L"Poke";! G- F! b, |- P: i
9 ~8 z4 Q3 z5 p: O! m hr = m_pDisp->GetIDsOfNames (
0 f6 Y8 y9 r, F+ z1 g IID_NULL, // reserved' V6 P S! z2 s, O! o: z
&Name, // Array of names to get IDs for7 J* V* Q- V6 `3 M) u( M
1, // # of names in the array
' `) x$ Z) b/ w% L0 m/ T3 } LOCALE_SYSTEM_DEFAULT, // System locale
/ w7 ~1 l/ K$ ]! K% {$ e( w9 q/ } &pokeID); // Array of IDs to fill on output) i) n2 S) }7 \
8 j% z' j" n+ `$ u* N( j if (hr)* F9 M7 H( }4 V" q: g* W, D0 ?0 Z
{
& l. {' I( U& Y! C& O MessageBox ("Get Poke Unsuccessful");
! |6 w2 p, ?# }; @, Z: q$ n return;2 Q# C0 @, m4 C& l4 @ s1 ^' T9 \
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/ W1 i4 r1 @' O& _0 E* W2 r, }1 F/**************************传递数据给extend**************************************/
1 b* F% a+ P/ u6 h% \ w) `5 y pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 o6 p; w) T7 [! E+ N
9 d! {% ?" |/ Q
valueStr = SysAllocString((WCHAR *) L"1232");
& }9 x- d" k; M VariantInit(&pokeVariant[0]); & f# _+ |2 Q* _# E" t1 b4 A- S( H' z
pokeVariant[0].vt = VT_BSTR;2 [$ p3 A( }/ j' ~8 K
pokeVariant[0].bstrVal = valueStr;" v* `4 }# v }5 l3 m
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ @9 F$ \* f$ {* u0 v/ b+ s+ c, S. |
VariantInit(&pokeVariant[1]); # P* T7 k. e, X6 w4 b4 k% s
pokeVariant[1].vt = VT_BSTR;
8 H& ]6 }7 B$ v7 k pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");- f/ P, y8 Y& |2 y1 ?8 u
VariantInit(&pokeVariant[2]); 1 v2 f6 {( S6 Q: Z0 A
pokeVariant[2].vt = VT_BSTR;! W$ ^/ Q& k% X, x
pokeVariant[2].bstrVal = topicStr;
8 \4 }5 e4 m5 K. [6 F8 c
* k! o3 O# z) T3 j; z' c3 m3 l6 ^// Set the DISPPARAMS structure that holds the variant.0 Q/ s. R3 Z5 O! D* U
9 e$ I9 \; L1 c/ }! e$ {7 ]) Z0 J5 d dp.rgvarg = pokeVariant;
; ~( c! v8 N$ ~+ M: q/ t dp.cArgs = 3;
# l5 ]9 x/ ~, b. [# F. _* P dp.rgdispidNamedArgs = NULL;" D/ w* C- k2 j' I3 L
dp.cNamedArgs = 0;5 V# w$ w8 ]5 w( z0 s* F, D
+ }- a9 E) _$ M( }
// Call IDispatch::Invoke()& b2 c: a. O5 s
' d0 G5 m7 l% i hr = m_pDisp->Invoke(
1 y# e% P9 `' `! r& e4 c pokeID,
: L, H1 H. v0 Q/ a7 B IID_NULL,1 R* T1 d6 O$ L
LOCALE_SYSTEM_DEFAULT,
, z4 K8 o, A. J' M9 l$ V+ e+ c* K DISPATCH_METHOD,0 E5 w: G# D5 ?' F$ r0 {7 r0 N4 G
&dp,# l/ F% m( [) |3 c; A
NULL,
7 A- a3 N! j2 V2 o2 q &ei,
" ~) x) L$ P$ | &uiErr);
; |' ^: m, Z5 G$ t( V5 m8 F( t( w2 c& {
SysFreeString(topicStr);6 J9 a0 J S. }3 p2 I; e& B
SysFreeString(itemStr);' K) c1 [8 j% a& i* a6 O1 B
SysFreeString(valueStr);8 n! z# M6 B4 G$ Q
1 }/ W" f, G8 G$ @; g* N6 b! z
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???
7 ]- O2 ~% E! S, d( O+ u$ d. H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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0 i5 G2 p, _4 U6 S: V
2 q4 v5 B/ {) h; @2.这是request的程序& e% }3 A. s6 r, ?7 k7 M+ e, p
// Request a value from Extend
2 s, F: b! C1 C2 ^3 M//
" u% h4 L" F0 H8 u* s0 t% }' U// Initialize the variant that will hold the BSTR. Set the variant's/ U' H8 x7 u: y. W9 P3 x
// type flag to indicate the fact that this variant holds a BSTR. Place the
0 s5 B4 ?: z7 k2 q9 w. G5 z* r// BSTR into the variant structure.
1 B3 B4 Y V- [1 X5 x7 p8 q
$ R) c% C% m( v" ~: }0 m requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
0 G% j+ u) v" i8 J
$ N# H' Q5 H2 a5 d. J- ^ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 a9 _6 x* y( a' I N3 o! |
VariantInit(&requestVariant[0]);
3 ]$ @2 X1 @; N B! U4 B3 n: T/ Q" e requestVariant[0].vt = VT_BSTR;
4 i O% f, d& i, \( [# w0 ` requestVariant[0].bstrVal = itemStr;' s# z: A- j* s, w. X3 j
6 J0 S0 \" {6 V5 y topicStr = SysAllocString((WCHAR *) L"system");; U& l. [4 L- l9 s2 M
VariantInit(&requestVariant[1]);
3 q; l0 N: y* Y( n1 Z requestVariant[1].vt = VT_BSTR;- B- O7 `2 \" G- _7 j- g0 K1 @
requestVariant[1].bstrVal = topicStr;. V0 E5 ?. X* S% W( b( y
# s7 C& N; q! A7 e// Set the DISPPARAMS structure that holds the variant.2 {& t5 b6 O6 ]
+ M) b4 v! S. I- B$ _4 w( L" t T
dp2.rgvarg = requestVariant;
$ M) u4 A' k0 I" w8 v dp2.cArgs = 2;
: u1 G+ U0 N" ]' K e% Y1 ] dp2.rgdispidNamedArgs = NULL;% Z: ~* y0 g% o" E. w/ C* |; }( Y
dp2.cNamedArgs = 0;" }6 Q$ w$ V& K3 O* ~" V+ @* g
" Q- N' n8 k# E var.vt = VT_EMPTY;
* N- q+ O, S# D- O! J. ~! Y% F1 t; G
// Call IDispatch::Invoke()7 O5 ^9 g' S* i7 |% H
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hr = m_pDisp->Invoke(
5 n( v6 w3 f3 O+ V: h1 ?8 m requestID,) l! O5 V/ H6 u5 b/ b; M7 `) W
IID_NULL,
/ q5 v8 B! u' w0 l s LOCALE_SYSTEM_DEFAULT,1 P0 U3 M+ Q8 v8 R. b
DISPATCH_METHOD,8 ?$ b% r3 z8 E" O1 W5 f' f
&dp2,
; I6 ]6 w" e- j &var,
: ~& ?% c7 T' t% f4 M7 ^5 e &ei,% H7 @1 E+ ]) O/ ~3 z
&uiErr);
5 p K2 e& i) _6 c4 x, ~/ z. F3 x& ~
3 x+ x" f* _ G$ l* d/ F SysFreeString(topicStr);
7 v; ^& m& T: U6 E. t0 E SysFreeString(itemStr);6 M1 q: a( ~4 ]( M
请问该程序是获得extend里面的哪个值?# B; ^' L3 w$ N* h3 n0 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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