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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:
5 a' L8 d" L3 Y7 PName = (WCHAR *) L"Poke";
% e0 X0 m2 y5 A p6 w- {
5 \8 M; I1 J7 n! V( Z hr = m_pDisp->GetIDsOfNames (
& ~6 C* }; B# [8 m, W% E IID_NULL, // reserved- q6 s4 M4 J8 v6 P2 }0 p \
&Name, // Array of names to get IDs for) C; a$ C. g5 l: q) ?* d
1, // # of names in the array
3 w. r; T: J1 r& i% Z- o) E LOCALE_SYSTEM_DEFAULT, // System locale
. u8 n0 ^# I% Y$ a* z &pokeID); // Array of IDs to fill on output7 z& y0 M, o! _, Y7 m
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if (hr)
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MessageBox ("Get Poke Unsuccessful");) R. l3 n- Z9 Y# a0 ~, S) V# f$ \; r
return;, i% f$ `4 U, ^) `' b6 J. F
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/**************************传递数据给extend**************************************/
: Y. G$ M/ z3 F' o pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
+ ]3 g! H/ m+ K VariantInit(&pokeVariant[0]); 6 G! {( X( P' Y$ v2 S
pokeVariant[0].vt = VT_BSTR;! T0 \3 B. S( ?3 Y9 W) \/ s
pokeVariant[0].bstrVal = valueStr;
, n% p+ M0 c* k0 s
; G" F" Y' k: |( |0 N M* _ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) E: {! t) X! T8 w2 y5 b# { VariantInit(&pokeVariant[1]); # L8 E$ Y3 T1 N6 h
pokeVariant[1].vt = VT_BSTR;
* G: H4 y& j% e/ O- T& V pokeVariant[1].bstrVal = itemStr;7 w: J+ V: F3 {6 \* J" ^3 r
9 P- O7 _& Y R topicStr = SysAllocString((WCHAR *) L"system");/ g4 m2 M( j S6 m8 V. ]
VariantInit(&pokeVariant[2]);
: k0 j+ {, f7 j% ^" I* H6 B2 L pokeVariant[2].vt = VT_BSTR;5 \: C& N n; v2 M8 Y# Q( g
pokeVariant[2].bstrVal = topicStr;3 j7 b, d; d. _) Q0 p: P# v
% H7 A3 j [7 h$ B* K0 D// Set the DISPPARAMS structure that holds the variant.: d2 k# u& {+ r2 }
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dp.rgvarg = pokeVariant;
# R( y5 p& B3 v1 v; I+ h o8 B dp.cArgs = 3;: q" I' O& o, N; y
dp.rgdispidNamedArgs = NULL;
$ y: E3 d* {# d* x- g6 m dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()0 D) m/ h8 U" |: Y/ C* d/ u( p
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hr = m_pDisp->Invoke(
3 R: x0 D8 j' p2 C; O( }6 ?5 m pokeID,
' v/ k! S# E; @ IID_NULL,- H6 j! j/ z3 K) o, Z
LOCALE_SYSTEM_DEFAULT,
. ]: u5 A9 a: u+ r T# T DISPATCH_METHOD,
' O z/ f6 I; @! U2 D, V5 y/ y &dp,
! S8 _ |6 \! [3 [ NULL,
" d$ I$ a2 a' L; t+ g! T2 ~2 N &ei,
3 H" C5 p; p$ N+ r6 [3 e4 w* \ &uiErr);3 F# F, L3 ?, Z
$ [# n/ G# t& [# [# ~) K8 W6 ?
SysFreeString(topicStr);
; C* ~1 i0 O# ? SysFreeString(itemStr);) E: w& }) X9 k9 X0 h: d. Z c
SysFreeString(valueStr);
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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 ?) D& E3 c$ C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????* L8 c* D5 |( x
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2.这是request的程序
[: N8 x8 }( H5 h" `6 u' Q// Request a value from Extend# _( b( F1 p! y6 n0 N( Q
//* u- D' _0 I* U* R
// Initialize the variant that will hold the BSTR. Set the variant's1 W6 @; ?+ j. c- h2 {
// type flag to indicate the fact that this variant holds a BSTR. Place the$ W3 f& {) T G" H6 K
// BSTR into the variant structure.
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- M$ e3 L5 {+ r" Y( } requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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& \! v7 K; O& B6 L! C& U" N itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 W9 X$ ~9 c9 ~0 O" k, }' a# e
VariantInit(&requestVariant[0]); 3 v- o) P: A1 U( Y" S5 Q+ r
requestVariant[0].vt = VT_BSTR;
) E3 |8 E0 D- T: X' j2 ]& }* c requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
1 \, S) v8 `9 {0 @$ x$ ^1 z VariantInit(&requestVariant[1]);
( h) W, M S( d9 j% G" O1 z+ ~ requestVariant[1].vt = VT_BSTR;
6 P) c" w" T2 }& a requestVariant[1].bstrVal = topicStr;
" b! T: \5 R" p, s0 d
$ x: h8 ]1 P3 ~4 m// Set the DISPPARAMS structure that holds the variant.
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8 R: P+ r) \. k- O. H4 _* h M dp2.rgvarg = requestVariant;7 S9 J6 N6 w/ i9 Q
dp2.cArgs = 2;
0 @' b( a- x! Q, T' c K( w( B/ x dp2.rgdispidNamedArgs = NULL;
7 W0 T) O8 v3 S: m7 x, \ dp2.cNamedArgs = 0;/ Q: J6 N: t I& C
; r5 z' K$ a' K7 [3 d b( I var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()* }" @4 ~! O# U7 s1 G7 V
$ \0 _0 T* X* X hr = m_pDisp->Invoke(
' {) g: @8 N7 Z4 S' v5 P/ G requestID,
" y) _" X' X1 q. M# b } IID_NULL,
" Z `8 s+ ~- n- T. Q8 P7 G$ t: V LOCALE_SYSTEM_DEFAULT,
+ M! _3 U3 k5 G& a% a% V$ H- p DISPATCH_METHOD,
& z' R) G4 |, p. v8 K: k* K0 o &dp2,( [# v e6 h0 y5 J6 m% M5 l
&var,
' i" C2 m' y1 Z% q1 g &ei,
- L. `; X( `) ]9 Y" k- H# h &uiErr);. F5 ?# ^1 A% y* L
3 x6 B" I( ^0 _( G: f SysFreeString(topicStr);
B; a) o2 S. Q V0 O' m- D SysFreeString(itemStr);
/ z& ]; A# z; ~+ |7 h) {. G5 h请问该程序是获得extend里面的哪个值?! r% J4 X' O& N* Y- z; k! 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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