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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# R6 v5 m: J% ]Name = (WCHAR *) L"Poke";
# p% ?: k/ Y5 e- W. j( M * r n/ G* W8 ?
hr = m_pDisp->GetIDsOfNames (
7 l9 Z& |* {( Q; X& g IID_NULL, // reserved
$ ~. u* O3 I, S7 l! l7 @ &Name, // Array of names to get IDs for% e" {& h a; F* N! C6 F% U
1, // # of names in the array
; F7 Q" x4 `+ `2 w0 N LOCALE_SYSTEM_DEFAULT, // System locale6 [0 v- H( E& q) B% [" U# V0 ^
&pokeID); // Array of IDs to fill on output) v3 m: u% T+ q1 T ?
% S' U' t! A, ? if (hr)0 D0 z! D$ e K- ?! |$ C: o$ K; b: E
{6 U. h, B; M5 i, M4 f. H/ i7 t
MessageBox ("Get Poke Unsuccessful");
# `. S: A" [* Q, Q7 m( U7 X$ } return;+ {3 r2 Y; k% a1 n( H
}# ]" P2 ?) F% J6 I6 |
# @9 R2 P. l/ h/ S
/**************************传递数据给extend**************************************/
% R: X6 e0 l# ` pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
: ]2 E, O" u2 T1 l
3 _1 E4 }3 U$ F valueStr = SysAllocString((WCHAR *) L"1232");
/ i' l$ P" K4 s: n2 c. [ VariantInit(&pokeVariant[0]);
* p( u( x X0 M" Z pokeVariant[0].vt = VT_BSTR;
* n5 k. V. T" I- P1 h: I pokeVariant[0].bstrVal = valueStr; h/ l/ w- d0 [- ~# M
8 F9 H! I8 l+ q d" R, F. U/ V s0 ]
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
`6 i$ p) A P' z" t VariantInit(&pokeVariant[1]); + g. ] Q9 v6 ?* c4 V
pokeVariant[1].vt = VT_BSTR;
$ D/ u! B, j, N* E/ }9 j9 H* u' I pokeVariant[1].bstrVal = itemStr;/ c2 u6 J- G9 c8 ~% H. C- O) P
- l8 Y" _% }8 C7 D- c% _ topicStr = SysAllocString((WCHAR *) L"system");
4 @- I! u& _( \9 p% `2 t3 q2 q VariantInit(&pokeVariant[2]); 8 X1 e) z- p7 Q. S* q& F9 x" D
pokeVariant[2].vt = VT_BSTR;+ |; h, y( X2 D
pokeVariant[2].bstrVal = topicStr;* p* A$ P# V. y/ U) _( I3 p
. q$ X9 _2 T0 n! d$ M3 \8 P* z// Set the DISPPARAMS structure that holds the variant.; e- J: r* ^ ]# Q2 |
7 E5 T+ F+ {. I/ a dp.rgvarg = pokeVariant;9 D" p& e2 u' O5 T9 ?
dp.cArgs = 3;* M# }# {' A8 J4 M- \
dp.rgdispidNamedArgs = NULL;
6 x4 ] C8 F& f( B- R0 j dp.cNamedArgs = 0;5 j" [- Y0 z! S6 [( U
% ^2 R! F" E6 M2 V- q// Call IDispatch::Invoke()
- f1 L9 t- o9 n* g- T, X! K/ F
) y9 V- u5 V5 k- a" N hr = m_pDisp->Invoke(! c' ?4 s. ?0 V* r
pokeID,
6 W* J% Z1 E/ W. a* ^ Y/ k IID_NULL,0 x& X3 u2 A9 H
LOCALE_SYSTEM_DEFAULT,
4 Q `6 S3 s8 Y- y- Q2 T& x4 _8 ?" j DISPATCH_METHOD,6 ?( u1 e& A0 u, Q- |
&dp,0 A3 D, K( u6 r# B! g+ h2 b2 u. B
NULL,# v2 F S' m0 U9 L5 a
&ei,
9 Y" f- |' k7 N* s% K! ~% k/ Y3 E &uiErr);. ]! z3 P# K$ q; q- p0 l. V
3 E6 H/ @( x5 L0 e& c! B+ \
SysFreeString(topicStr);
% ]: m, k$ l% q: a5 f SysFreeString(itemStr);
' O& S# v6 a# G7 E6 e6 ? SysFreeString(valueStr);
8 F* {! {) e5 u% i4 N; f6 G4 t) [* C/ ?/ G# M
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???% W6 L1 ~* W t; o5 b
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????; I1 \9 a; e! u, w# Y$ V* C' H
1 V4 ?% ]8 s: C4 E9 X3 w k! x- @$ V
* t4 E* ]$ v: W! N2.这是request的程序3 @1 M2 N) M& r$ p+ J/ q
// Request a value from Extend$ v* C6 X' V8 w1 T. q( w! }: _
//
6 w& w' x& U! s2 u& E// Initialize the variant that will hold the BSTR. Set the variant's9 K; F# o- x1 S3 H' M" M7 D
// type flag to indicate the fact that this variant holds a BSTR. Place the4 T: a) w" E& X" O/ n' K. A# q- E9 p7 G
// BSTR into the variant structure.
4 ]) T( C% _+ g' R/ m. _
9 l7 r3 o9 \8 _( W, i7 b. u2 M requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
9 R- N3 d: ? E / @4 B Z+ U6 X9 O! J% d
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 w8 a$ @9 M6 W* Y+ e3 g
VariantInit(&requestVariant[0]); ; p9 z- H2 D. x2 Z& M* b) V j9 [
requestVariant[0].vt = VT_BSTR;% e. X8 P8 A) t
requestVariant[0].bstrVal = itemStr;
/ _8 C. d! O# z; t
) K4 m$ ?9 @' p3 k/ _* u topicStr = SysAllocString((WCHAR *) L"system");
) O: o* i1 ?; M* }5 w7 J4 m( w VariantInit(&requestVariant[1]);
3 m( u6 |2 `# O0 N requestVariant[1].vt = VT_BSTR;
9 |4 R, y% D# y$ B# [; z requestVariant[1].bstrVal = topicStr;% H$ [$ t2 ~$ a/ y' Q& X. P
& W, V' i. r. T2 C, s* u// Set the DISPPARAMS structure that holds the variant./ d/ e; @5 F- f7 H; }! g; |# U
* \- H9 @' I/ }+ ~9 J: m& j4 K dp2.rgvarg = requestVariant;( d8 R4 I5 ^. O% B0 T
dp2.cArgs = 2;, ]- m! t& w7 C
dp2.rgdispidNamedArgs = NULL;7 R+ `7 V1 R. B9 e) |. t
dp2.cNamedArgs = 0;
8 r( ?8 m% F" U8 t" G6 W, S
) r0 D8 t) [" S var.vt = VT_EMPTY;6 p& O# |4 T% B% _* |
7 `4 }1 H' I( o// Call IDispatch::Invoke()
8 v! `+ \- q* E Y" Q/ b' h% p7 {9 i1 `) P9 ]
hr = m_pDisp->Invoke(
9 }) _0 @+ S8 k6 N" G9 [ requestID,
, c* T2 }* G* l" \+ A IID_NULL,
- l* [" T, L* n. L: ]( k3 }3 ? LOCALE_SYSTEM_DEFAULT," L& X% U. G$ M0 \$ X
DISPATCH_METHOD,
2 g! Z! g1 G( d+ k1 O &dp2,
+ a5 s' h5 E3 P N: R2 W: C: b &var,
. S$ C; D+ a5 C/ o; q &ei,
0 {& S+ X9 M) b, X( e% J4 b &uiErr);" c& v" F% Q1 I1 E. K+ D
9 h: e: z& E$ ^) | SysFreeString(topicStr);2 q& ~# b+ e0 \$ P. I% }/ U
SysFreeString(itemStr);
# t1 e4 x- `" m请问该程序是获得extend里面的哪个值?
2 e2 Q1 F& Q7 S/ Z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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