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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:
2 b7 }! A C6 ^( n/ i3 x5 vName = (WCHAR *) L"Poke";0 ]& V$ V' q% B# i s( d
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hr = m_pDisp->GetIDsOfNames (
# K9 {* A, \6 p, u4 {4 t1 @ IID_NULL, // reserved, A* x d) O+ G, @* i {
&Name, // Array of names to get IDs for
" v2 v) R5 E5 M: X9 | 1, // # of names in the array. S8 J$ q5 d% p' ]3 A
LOCALE_SYSTEM_DEFAULT, // System locale# \% {4 q+ {6 N
&pokeID); // Array of IDs to fill on output7 s; _( I; W( l. Z8 Q0 L
: z: r9 B i' [! q3 k3 h
if (hr)
$ H5 b9 ~; A0 P& a* y W, |4 B) c8 t {
# h: c3 X+ I, G& b8 T- H MessageBox ("Get Poke Unsuccessful");+ ]- }5 }, s T$ b( ~, V
return;9 ~4 d+ | @: H/ |
}
4 w) m8 B' o2 Q. |, x2 @3 [9 c3 W: ?
/**************************传递数据给extend**************************************/- k1 x6 @+ X( s* P, Z& B% R
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
/ e* a& \# E7 r2 {
# d1 x/ H* x; ~- b$ ^! `) N valueStr = SysAllocString((WCHAR *) L"1232");
, y2 u/ D3 [; a VariantInit(&pokeVariant[0]); : L* }! M8 X7 a- F
pokeVariant[0].vt = VT_BSTR;
2 b, j& e* @ U6 J" l6 S: ? pokeVariant[0].bstrVal = valueStr;2 k; k& Q( ~, y9 Y: c+ J: B- }% [
4 D8 {7 m M: |" n itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ \" l1 R9 W* v* F3 W+ a VariantInit(&pokeVariant[1]); 3 F( [ ^, F8 j1 o3 H. x) o6 t
pokeVariant[1].vt = VT_BSTR;
* Z: X$ X- W. o# ^: t; A pokeVariant[1].bstrVal = itemStr;
' S3 x; c! c% \; F) ~ w/ K! v5 n: J1 `) |( L% f I1 _
topicStr = SysAllocString((WCHAR *) L"system");
' G1 A4 b% {* [" I VariantInit(&pokeVariant[2]); + [7 Q, x9 v& c4 s+ m! S0 ^
pokeVariant[2].vt = VT_BSTR;; e9 e4 F2 N( [. I0 ~' `
pokeVariant[2].bstrVal = topicStr;
- O2 x6 X1 L( W* A
) v( j" R" P8 Q6 ^$ H! S! V// Set the DISPPARAMS structure that holds the variant.' B8 V3 m# V& @% V" c
: @" I7 Y+ @% n+ z& B ? dp.rgvarg = pokeVariant; B$ n8 |7 |! N% U& d V
dp.cArgs = 3;
2 x. Q) ^# J' i9 u3 J0 {- F6 ~9 H dp.rgdispidNamedArgs = NULL;
) V6 T: z7 T' f( F; [' E# k dp.cNamedArgs = 0;# F* R8 Z5 a, u! y) R* k3 F- Y
& C3 D! r+ {, E, k// Call IDispatch::Invoke()
" ], }# O& ~1 Z: y" J( g1 T" o
% X5 h2 L& v, ~3 r7 _8 }6 ?2 c hr = m_pDisp->Invoke(7 {' u: A7 _5 v7 _
pokeID,
3 Y: k) c( c. \ J6 \& f9 E; a' l IID_NULL,/ o ]6 l: {. R8 v/ a0 j# d( ~
LOCALE_SYSTEM_DEFAULT,
, P M( y7 i: y& ~" S DISPATCH_METHOD,& @4 i u u- U* |
&dp,' G$ b- K5 g: _9 k; Z4 w
NULL,
& U- S- y+ A$ u &ei," y, p7 a9 J6 k5 E4 J, }0 {
&uiErr);
0 z0 b: t3 y, O% z6 m3 z
1 }* Y4 x9 S/ W9 V SysFreeString(topicStr);
' D. m; i+ S0 X SysFreeString(itemStr);+ e* d1 r/ U6 p0 ~! h
SysFreeString(valueStr);
& v/ O0 P, D# E0 a+ X. [* k) H( W2 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???) s* ^) a/ x6 C# }( G7 q
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????/ m2 o$ m$ B/ b& d: S
/ g1 e# q4 i, N' E* n1 i0 X
% e% E! k- {" b; h* s' ~2.这是request的程序
# d: i3 E& k# q4 U2 M0 T// Request a value from Extend
- ]; o; N! }/ N, B0 h2 A//
+ y5 H9 {/ E1 Q. K// Initialize the variant that will hold the BSTR. Set the variant's
* [2 X) c5 y! ~3 q% U4 R' y// type flag to indicate the fact that this variant holds a BSTR. Place the0 M; w! o4 P8 i( u. X7 a
// BSTR into the variant structure.5 f" m; ^& O7 c$ q
3 [% s, G0 K% e c7 |$ b
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
/ f: J9 g0 j/ P& V5 s2 ?. C * Q- [2 m2 l7 G2 S
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 X$ E8 k/ I1 |) T3 h VariantInit(&requestVariant[0]); ( }7 ]2 K8 m# C7 S" O* y2 H
requestVariant[0].vt = VT_BSTR;
/ y- [2 W8 P6 F: l+ ~' Y requestVariant[0].bstrVal = itemStr;
; I! w3 Y4 I* ]/ [
7 U/ o% g; s# a ` topicStr = SysAllocString((WCHAR *) L"system");( a p) y) X0 G L; e# ]$ ?& s0 c- n
VariantInit(&requestVariant[1]); 1 @* ^" c6 D% S6 w0 `5 f: N
requestVariant[1].vt = VT_BSTR;
/ m3 A2 {, i( E" F/ z requestVariant[1].bstrVal = topicStr;
0 `; e1 s' P0 N& S" K* |# Y# c h }9 N% P$ ^1 _& K! _4 F9 C |
// Set the DISPPARAMS structure that holds the variant.7 h, Y6 @2 i- |/ o4 o6 r& C
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dp2.rgvarg = requestVariant;
/ \, k C- S/ H* r" C dp2.cArgs = 2;$ R! A) R1 H' J/ c* t
dp2.rgdispidNamedArgs = NULL;
4 s& u& s1 O& y; o% `' b5 l. F dp2.cNamedArgs = 0;* D6 J9 X) j' b, }( R# \
: K% H$ H! Z' z" }3 A7 V' l' } var.vt = VT_EMPTY;
7 C8 L" v( q% h# ?9 \% W7 K* y F- a: h+ S$ Y0 S
// Call IDispatch::Invoke()
+ f& `1 r. T# Q# |/ m- ~2 Z
q; P! d2 C; j7 M: J hr = m_pDisp->Invoke(
: s8 c/ b. t6 b requestID,3 N8 r: w" ]. w6 t0 I- {
IID_NULL,
. t8 a, _) }, g1 ^( n/ }/ Y8 P LOCALE_SYSTEM_DEFAULT,' t Q @1 }! ^: G5 M
DISPATCH_METHOD,
) ]5 D2 u5 f& O. X, N6 g% X5 z$ s &dp2,
. v6 O$ X& r1 Q/ I9 c) C# J7 q- J+ D &var,2 D3 [! @; p& s6 z/ r; q
&ei,' i% n! M% j4 |+ o7 o+ L8 M% U
&uiErr);
9 B( R. h6 b+ n& n, H" b% V) C( l! S! |1 B7 {( E; U% E! K6 \
SysFreeString(topicStr);
/ p, {/ U+ H |- q; v% R" a SysFreeString(itemStr);
3 w* s3 i s4 l& b7 g7 [/ G) m请问该程序是获得extend里面的哪个值?
; r3 E" O1 o5 `2 w5 P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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