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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:
% Z+ ~) c5 h. W' p: e; `Name = (WCHAR *) L"Poke";
% f# ?% {7 Y, h5 ~3 v3 U y3 B$ \. |& ]5 {
hr = m_pDisp->GetIDsOfNames (
& f6 I$ C( v4 [- ~0 _ IID_NULL, // reserved0 ^, f5 L, _! Y+ @' h* r5 A/ p
&Name, // Array of names to get IDs for2 P: d- U8 v& b
1, // # of names in the array* X3 u5 `. G$ F/ Q3 K5 k9 N1 O
LOCALE_SYSTEM_DEFAULT, // System locale1 X! u* w7 Y8 a- C3 A9 ~5 m' a5 l
&pokeID); // Array of IDs to fill on output
, @8 g T5 r4 H* p+ x 9 Z E9 H( E. [/ d+ w" @3 E
if (hr)* I7 ]9 c% D& I5 T
{& r- l. _: w" w7 X6 {2 z0 O; L
MessageBox ("Get Poke Unsuccessful");
5 G' N$ v* O6 N Y return;4 v. F" q/ x: Z& J
}
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/**************************传递数据给extend**************************************/
2 w" l: x& T4 `& x. n! q5 Z pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);8 a8 V% }) l4 N! g1 [" V
3 r( I1 r: |$ b
valueStr = SysAllocString((WCHAR *) L"1232");
, q3 X' j5 x( m# k VariantInit(&pokeVariant[0]); , g1 \3 d) ^, T
pokeVariant[0].vt = VT_BSTR;
; j# V, ?5 m# g5 D pokeVariant[0].bstrVal = valueStr;& y9 x7 F! V6 J+ Q& v/ i
0 Z! n4 \8 U, b. u0 j itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ s, t, B5 S( O8 D, [3 z6 \5 ^1 H! s p
VariantInit(&pokeVariant[1]);
' X7 X, ^6 [3 l6 k1 M pokeVariant[1].vt = VT_BSTR;
+ j) N; K9 k A8 h0 M, f5 m pokeVariant[1].bstrVal = itemStr;
9 [+ G* q( A3 g1 G! H8 U9 X$ [; L6 g8 U( w( V$ f2 \4 J
topicStr = SysAllocString((WCHAR *) L"system");; {5 q; S: c3 l
VariantInit(&pokeVariant[2]);
& |8 ]7 ^7 G% @* i pokeVariant[2].vt = VT_BSTR;
6 b$ w/ Z) u U! J2 X$ E' V; L pokeVariant[2].bstrVal = topicStr;7 `( h o k7 u/ q/ n1 Y( x' X5 k
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// Set the DISPPARAMS structure that holds the variant.
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. P/ T9 e- d& ~. a dp.rgvarg = pokeVariant;
, c/ l" x6 [' p' k1 H" a5 E; U; W dp.cArgs = 3;& J9 k$ \$ }( K' m6 F. D
dp.rgdispidNamedArgs = NULL;
$ H( q- d9 T" E g7 J dp.cNamedArgs = 0;
: O5 Y4 j- W6 T# i- j8 J' `0 [5 l) V! f9 O4 C0 U3 @
// Call IDispatch::Invoke()5 T4 e+ A: y9 Z6 D: }( c+ G
" t& Y7 j5 q: M7 o hr = m_pDisp->Invoke(; W: i. Y: B* j) A( [
pokeID,7 r5 E4 X: c& ^, `( }3 W
IID_NULL,
4 w: \' P, M7 T* c6 Z8 T) l LOCALE_SYSTEM_DEFAULT,
2 `( C* f* J, K* R* Y9 C DISPATCH_METHOD,
$ U1 J/ H h+ {0 D1 M5 Q &dp,# | g9 E1 k3 R( y0 N
NULL,: a7 M; S# l; j' @, w
&ei,
7 o" ~* m% F9 \) t* {" ` &uiErr);
1 e9 j$ c) ` G# E. K& ^
! ^1 v' K, Y& l) O SysFreeString(topicStr);
! E) F# D8 W# G0 w' e+ R7 C" { SysFreeString(itemStr);' C1 F; r+ x9 C! C/ i
SysFreeString(valueStr);
1 }( s5 J1 L+ k
" d4 N/ E4 u: a% 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???
8 b. F2 E# ^6 A- y+ t3 @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????' `4 ~( e( S0 V# N0 M7 P% ^3 R0 i+ v- E
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e+ }" k7 u# w/ f& b
2.这是request的程序
& o6 t) L, c, ^" S' z7 |, b! {// Request a value from Extend
8 s9 i+ E H$ q0 M//& l7 F$ v# T) O& H9 t
// Initialize the variant that will hold the BSTR. Set the variant's, f4 [& S/ l' \8 [
// type flag to indicate the fact that this variant holds a BSTR. Place the9 M% r# [; b1 ~6 F
// BSTR into the variant structure.0 Y- |: t$ L* z4 z8 L2 B. s- q5 {
2 U( T7 G- P2 J+ l$ l; H requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, y, X4 P w }3 X9 ~* K S
* K; D q: o# r4 o r- n8 ]% X' W itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 ? M; V8 j6 n0 m+ ?9 S9 i& n
VariantInit(&requestVariant[0]);
% V- {+ }) x+ k T" L requestVariant[0].vt = VT_BSTR;
! @! k1 T) r0 O' q+ X4 L, G requestVariant[0].bstrVal = itemStr;
5 N. n; l |4 _5 A- h, w
7 a; [9 c" P R topicStr = SysAllocString((WCHAR *) L"system");
% [) @/ e O: q% G. `" e VariantInit(&requestVariant[1]); 9 o% k ^- F6 V- N; i# [7 y2 I
requestVariant[1].vt = VT_BSTR;3 }3 i) n- g7 A& U. t6 d* u# Y
requestVariant[1].bstrVal = topicStr;
0 I5 \- p7 B- Q1 k% ~# t f
j& [" ]5 t5 s4 f// Set the DISPPARAMS structure that holds the variant.' R8 u+ G5 _0 l8 V. Q3 j: |" s7 y
6 ]' G: R+ }: ~
dp2.rgvarg = requestVariant;
/ v7 {+ v. }2 u* I dp2.cArgs = 2;/ @( y( z' F7 [* Y
dp2.rgdispidNamedArgs = NULL;& A# m$ w9 R5 u1 y
dp2.cNamedArgs = 0;
0 [4 ]7 B8 h* N4 z) k+ f
+ `1 d* v+ c9 ] var.vt = VT_EMPTY;' F- L- D' p& q+ c/ [& G! r5 V% B5 h
$ @# T$ ]( n# N; X' I" c1 a
// Call IDispatch::Invoke(), r. p( n/ v+ ]6 o+ F3 R
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hr = m_pDisp->Invoke(
9 i" q! z6 d6 v; \ requestID,- P- j' d* Q# v# G* B
IID_NULL,5 O1 [; j' L$ H$ I2 C
LOCALE_SYSTEM_DEFAULT,
0 T2 a- B" F2 W. e* Q% c. r2 f2 D6 X' i DISPATCH_METHOD,; T2 }6 m& L3 |# n6 s$ G
&dp2,
9 P! j+ U l4 D. Y2 T9 c( z &var,% @" n7 K6 n* o1 r6 f+ {- m$ }
&ei,3 }, w8 r: X8 a, M$ n( S% ^5 J
&uiErr);6 P# u. v7 w! `/ m+ E
9 G3 I0 @4 }$ ~# O5 f/ u SysFreeString(topicStr);
/ R8 w U) F/ z SysFreeString(itemStr);
2 p0 e0 f. p$ w* {请问该程序是获得extend里面的哪个值?
3 w+ w2 x2 ]! m0 d8 w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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