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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 D/ g- ?" I. }3 @( m8 w9 zName = (WCHAR *) L"Poke";5 _- Z0 f2 w" {. I
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hr = m_pDisp->GetIDsOfNames (
f: ?1 Y9 ^+ U5 J$ \ IID_NULL, // reserved! G+ {8 S, b! z9 |& G
&Name, // Array of names to get IDs for/ @4 i7 P+ Q/ ^3 j
1, // # of names in the array, k/ N* c' v! r3 S$ C, S$ L
LOCALE_SYSTEM_DEFAULT, // System locale
7 T' _* \! w: ^, u &pokeID); // Array of IDs to fill on output, L7 K2 Q, R- @8 z0 \
- e3 h# M% S) q: @2 P) \: @/ v
if (hr)
) l( }3 g1 J1 Z5 J& a$ G {
/ N n2 F: a- J" _ MessageBox ("Get Poke Unsuccessful");
s+ D1 g. z: g: R return;
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0 e- |" g* I) M; t
/**************************传递数据给extend**************************************/( y. e+ r2 n4 d( d
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
- R! C2 E7 r' x u7 U: G
" w9 h3 `3 C+ N; M valueStr = SysAllocString((WCHAR *) L"1232");
6 d" K! u3 O2 F* ^& P/ _8 L VariantInit(&pokeVariant[0]); 7 h; n n+ C3 t* s. j. c
pokeVariant[0].vt = VT_BSTR;) u- _; ] ^$ l, p8 V
pokeVariant[0].bstrVal = valueStr;
* H/ Q1 |) W5 F, E
+ m/ {2 y+ p* `# O- j6 P itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' e3 ?% x3 y( f; b VariantInit(&pokeVariant[1]);
8 n+ P1 }) o# l- D4 f pokeVariant[1].vt = VT_BSTR;9 C- ~# e% Y, h+ I8 F( F
pokeVariant[1].bstrVal = itemStr;) x7 u1 P' U- B% D% U7 u
0 W' k g- x5 f- f$ S; ]
topicStr = SysAllocString((WCHAR *) L"system");
% m1 }, s9 G$ e: C) [7 h( s r& x# S: R VariantInit(&pokeVariant[2]); 5 Z+ p6 _5 i* `5 M0 d F: B$ C
pokeVariant[2].vt = VT_BSTR; b* p3 T1 f. O4 \) h) {
pokeVariant[2].bstrVal = topicStr;
' q, p% M9 C+ A. S9 N/ Q
! n9 J5 g) K+ V% d) j// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
- o* D2 L5 Q' h0 o- v N dp.cArgs = 3;$ R4 ^/ G2 b* i
dp.rgdispidNamedArgs = NULL;2 ~) o5 E$ V" E( k5 s8 ~, N( D( g
dp.cNamedArgs = 0;
" ?' ?3 ?2 g0 R8 h+ ?2 u- y. r# K$ ]& @3 Y
// Call IDispatch::Invoke()3 B9 ^1 q) |- p0 J% A
/ z7 l0 v3 C' v) ?/ N hr = m_pDisp->Invoke($ a; Y) f* }! l' s! V4 d* {$ m
pokeID,
2 S0 u* i. U o) D) A! A# t IID_NULL,
7 x9 F9 b& [3 R, d& z! T LOCALE_SYSTEM_DEFAULT,( i" O# w- f9 B2 f0 J! \8 R) y) W
DISPATCH_METHOD,
1 f+ T3 G4 Y, D- W &dp,
S6 g6 {+ g# y, g& ?6 d4 ]; U NULL,
q+ D, I" A/ r N, Y7 l) N &ei, B1 \3 x% Z( s' Q
&uiErr);
& I {+ r6 ^) n5 s+ U' J$ j K5 ~5 U! X& i# a* K0 c
SysFreeString(topicStr);
2 z3 C9 R1 S2 t4 Y. ]: ? SysFreeString(itemStr);
3 i! B- c8 |9 N SysFreeString(valueStr);7 {" w; S" I! ?' L4 W
. N1 R- f4 d2 `8 s- M( |$ E! {) d
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???
) [9 V* z, @7 b4 h( 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????% K- r" L. j9 p
' m+ P2 A, d# b! g7 k, l( A" Y; k& P9 z
2.这是request的程序4 r0 V& O5 e K' c" p8 u5 p/ M! n
// Request a value from Extend
- v4 S% q& r6 P! k//9 {, w. I. R9 C+ y/ E+ ?
// Initialize the variant that will hold the BSTR. Set the variant's) l9 C4 f1 s2 ~
// type flag to indicate the fact that this variant holds a BSTR. Place the
: S8 Q! \2 E/ g; R// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
+ P$ [9 z1 V9 r# T
5 T8 B; I3 l" j+ P itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 E) w+ G. p4 H# e' b: r* t# p
VariantInit(&requestVariant[0]); * Z/ U6 _& S% ?' L: p+ o
requestVariant[0].vt = VT_BSTR;0 u/ g* }2 e+ K
requestVariant[0].bstrVal = itemStr;' {1 r- f- R7 x1 q! h
" }" C& K, B+ R) `/ d/ n" c
topicStr = SysAllocString((WCHAR *) L"system");" D$ r3 c- o ^ K
VariantInit(&requestVariant[1]); 2 Y3 k" ^& u1 D/ N/ y$ r6 j$ x7 z: @# {
requestVariant[1].vt = VT_BSTR;
5 Z) @6 P' f) G6 X/ `$ f/ |8 l requestVariant[1].bstrVal = topicStr;% F" X0 M6 p2 Z+ c$ Q
5 Y7 W: V/ q. g' d. c
// Set the DISPPARAMS structure that holds the variant.
: j, g& ?7 C! Z& B
; f$ |. n. n; k1 m* _/ L( H dp2.rgvarg = requestVariant;
; z9 D! @* @& O dp2.cArgs = 2;
9 i) h1 `' X9 j dp2.rgdispidNamedArgs = NULL;
3 \7 I% c$ O# u: E( O$ s7 G+ c6 M dp2.cNamedArgs = 0;$ g+ r& l- L9 {6 c
2 o8 n! j9 ^6 h9 K
var.vt = VT_EMPTY;2 h" w2 t' c F+ ?' D% e w
5 f# U: a9 }! R; T2 y4 n w( B// Call IDispatch::Invoke() r; t7 U# s) Y7 z% K
( u; u1 U1 U6 b; O) w+ m! l hr = m_pDisp->Invoke(
* I: @4 A0 V5 s requestID,* e: C0 |$ z3 t) `
IID_NULL,
3 z2 H m2 N) U0 { LOCALE_SYSTEM_DEFAULT,
" x9 S. v! d7 [% i) v1 E& A0 K DISPATCH_METHOD,
" B" X2 g9 k0 F+ c( _ &dp2,0 M$ ~5 H; p- B0 `: x/ R) T
&var,$ B# |' L, b0 u) {& @( N4 b
&ei,
) I5 ^! q9 o% B% n* k' X &uiErr);. A% e |$ E( M' q
3 P, G$ |3 s; D6 ? SysFreeString(topicStr);" z/ L) I& J3 i! O/ L
SysFreeString(itemStr);. \- u! }2 b3 b9 w
请问该程序是获得extend里面的哪个值?$ X, @/ j% ?. ^4 q: D4 m
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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