|
|
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 \# t+ S! T7 BName = (WCHAR *) L"Poke";
9 g) r9 u: B& t4 V' j) M 4 ~; O! c: A+ J2 n7 O
hr = m_pDisp->GetIDsOfNames (
0 _* M" O. o8 j0 V, X IID_NULL, // reserved
" A% J: x8 @3 U! M: Z! a1 J &Name, // Array of names to get IDs for* h6 g. R9 Z* _8 }( q2 ~
1, // # of names in the array6 `4 h, J3 e. B. [: ?
LOCALE_SYSTEM_DEFAULT, // System locale
6 \' u2 b& A$ i' T2 B; P% d2 c &pokeID); // Array of IDs to fill on output! V6 E9 Q" h5 Q& ^' @# s
% ~7 k* N4 d8 r: H0 J if (hr)
: J8 ?, I8 o8 {7 i4 _8 T3 ^ {! j& T6 T4 |. W. J
MessageBox ("Get Poke Unsuccessful");1 K, q1 U4 Q* c% H
return;
9 ]' j! }' |) H }
/ V& J5 ^$ g* @8 j3 E
9 a7 w9 [4 ~2 P; ]- i/**************************传递数据给extend**************************************/
& R9 I+ N1 b; f pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
& _- m) m/ `) @. }5 C
% U5 Z0 x# K+ H( Z, W valueStr = SysAllocString((WCHAR *) L"1232");" @" B5 G) g4 B+ K5 a5 M
VariantInit(&pokeVariant[0]); , _$ I( x3 B* o2 y4 r6 V2 Q
pokeVariant[0].vt = VT_BSTR;+ d3 o7 Y s. _- N: E
pokeVariant[0].bstrVal = valueStr;
" q" G/ F* d; b
3 b$ [& C# ~3 \% { itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, O+ Y/ k) t2 n* N; j# Y
VariantInit(&pokeVariant[1]); & L- {& {6 c' s
pokeVariant[1].vt = VT_BSTR;: x1 B! U& x5 h* `* N) U; _
pokeVariant[1].bstrVal = itemStr;
1 c3 ~' w9 J3 c! f6 M+ K
+ e+ [- Y/ w- \# J. l7 q# X' u topicStr = SysAllocString((WCHAR *) L"system");) q0 C7 S% ]$ ?
VariantInit(&pokeVariant[2]); 4 m q7 e. d8 b4 o. q
pokeVariant[2].vt = VT_BSTR;
& X7 n. {, Z- K: } pokeVariant[2].bstrVal = topicStr;8 n) S5 B0 i8 _/ v: q
8 ~" v$ w+ d( g& Y* D// Set the DISPPARAMS structure that holds the variant. B- S l: N0 Y* ~! b: o% R! Z
9 i% J$ `6 E `1 }
dp.rgvarg = pokeVariant;
l- i) [. ]% g, X$ N/ E dp.cArgs = 3;
! S* Y# r1 c e1 D9 D0 L" c dp.rgdispidNamedArgs = NULL;
' r! k1 }* r: k. z6 `) C% W" ^" r dp.cNamedArgs = 0;& U( M1 c! r! W5 M% `
! V& [$ S; ?# k+ `% f
// Call IDispatch::Invoke()+ S7 @, w7 S& S
/ c' s- M9 S W
hr = m_pDisp->Invoke(
* e- `/ N: R. g/ o8 I pokeID,+ Q. O K/ V- }
IID_NULL,
- d! ^8 }( A2 T( q0 J LOCALE_SYSTEM_DEFAULT,; p! y4 ~9 q, b% H
DISPATCH_METHOD,. d# f' D& Q" U- z; G: G# s
&dp,$ Z' a* {8 v) C. b0 W7 x
NULL,7 ]* F' V6 v" p2 [0 n3 n r) [
&ei,4 H3 h; Z% ?( N4 l7 M( C
&uiErr);
Y. h& `/ ~8 M
; d" n7 N. d+ T8 | SysFreeString(topicStr);5 J; G7 e3 i8 D$ p b
SysFreeString(itemStr);+ E1 ]1 X4 d- A$ J7 `, ?/ K" f
SysFreeString(valueStr); S" H4 t# h7 k n8 B
" \/ j. E S7 w$ q9 A& e2 {9 u& `
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???
/ E. @ A; w1 O; O( m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???? c* Y0 U3 ^5 X7 k1 z [
, ~& ?; o: e# f. k9 i
% Z- h% w9 r: R; E& e
2.这是request的程序
% ~+ w8 [) ~" l3 F// Request a value from Extend0 A# P9 [8 c9 y: _, h
//
. j1 F# P! J1 W// Initialize the variant that will hold the BSTR. Set the variant's
2 m3 q" P u4 v/ w3 P- R// type flag to indicate the fact that this variant holds a BSTR. Place the
4 Q- S2 [. c* e) w- r1 u// BSTR into the variant structure.0 I6 Q9 [9 J- ~
$ Z' ~1 ]- I$ w5 K; q0 l, k
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
; ?: l4 U8 m2 j4 b& f4 ^ 9 ~. _1 d0 }$ y* u+ d
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" z# M& [" d% W9 k/ x" U
VariantInit(&requestVariant[0]); 6 G3 U! v" s$ t' u
requestVariant[0].vt = VT_BSTR;5 g) i; ?' Z3 [3 \, U$ Y
requestVariant[0].bstrVal = itemStr;6 E/ b$ a6 l- i8 v
8 w2 v1 c. ]/ G5 h* X5 G
topicStr = SysAllocString((WCHAR *) L"system");- W( @ q7 j1 h4 j5 Q. {
VariantInit(&requestVariant[1]); ' b5 ]2 s, l6 o4 K8 V0 ], O
requestVariant[1].vt = VT_BSTR;3 Z1 V. f8 u- J5 j) b
requestVariant[1].bstrVal = topicStr;
/ q0 G" r* w" J3 E: f% Q j* i O, G/ T5 `1 M1 K
// Set the DISPPARAMS structure that holds the variant.* S* Q1 L" M4 A4 I
! s+ l* a( o3 a# I# j) p8 n
dp2.rgvarg = requestVariant;% H% O* i1 F! Z) r8 R- b
dp2.cArgs = 2;2 M7 w) J7 b, y& E. h
dp2.rgdispidNamedArgs = NULL;
: U* @6 q2 Q5 P dp2.cNamedArgs = 0; J6 Q. j J/ T% n$ O: R
/ Z# C, ]- q+ S2 C) |. d4 W$ |& A
var.vt = VT_EMPTY;( @+ ~# Y' J& J" h1 b6 ~
8 } P K7 s9 G/ _. ~. T! p V// Call IDispatch::Invoke()
5 s0 T; C9 i/ L/ B7 G% c
7 s5 J$ {* U! i7 k' m) b hr = m_pDisp->Invoke(" h! z/ I6 P% W) g. Q5 D
requestID,0 b* X4 G" Q* R6 Z; N
IID_NULL,
- E) H+ ]( J# R3 \: y& ` LOCALE_SYSTEM_DEFAULT,
9 d. A( [! S9 e8 C P8 \% D DISPATCH_METHOD,* o& v0 P. @/ U) f/ [
&dp2,
- ^2 w8 }: ^$ u6 X, Y- Y& l; L &var,3 |1 J& c% H4 ~- k6 S
&ei,
3 N( h; L. G# |3 G8 e2 K; _ &uiErr);4 x6 T3 C. B# ]4 h& U2 i
+ ~- D2 g8 T5 c SysFreeString(topicStr);& Q$ W6 ?! J3 P, V
SysFreeString(itemStr);
5 ]6 D% d {2 Z请问该程序是获得extend里面的哪个值?3 l& j; ~% n* n4 n, G ]
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???? |
|