|
|
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:
' Q+ @0 Y U+ t- H& BName = (WCHAR *) L"Poke";/ x. S* }( |' P
5 E" |) l9 ~/ F' w8 N
hr = m_pDisp->GetIDsOfNames () [0 b2 |5 V4 i( h6 A: f
IID_NULL, // reserved Y9 k% u! f$ U4 {+ u% [6 F
&Name, // Array of names to get IDs for) r" P) E% `( {) l' A) s6 \
1, // # of names in the array9 P3 O% J9 y% R
LOCALE_SYSTEM_DEFAULT, // System locale
% }+ Y/ |, e3 |1 K6 \ J" u9 y &pokeID); // Array of IDs to fill on output
$ z/ W- q7 f4 Y" w; j ' R1 V4 y* J5 } z7 L
if (hr)
% m' q5 \) P- S {" j" w. `) U6 f! U) k( e: ~
MessageBox ("Get Poke Unsuccessful");4 }+ M# D0 x* o0 w5 j
return;
; ]" C! N) [0 I4 u0 q }1 |/ ~9 _' e/ f; i$ _7 R
( J9 K$ J8 m* u/**************************传递数据给extend**************************************/% S% d0 O& ]1 v1 ]7 A6 B G7 C
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);; N6 q: d- Z k
8 u) Q/ B' l/ Z, n valueStr = SysAllocString((WCHAR *) L"1232");
+ n2 z5 K1 y+ w5 v8 l8 r6 l VariantInit(&pokeVariant[0]); . {- Z* k% F) @& t, d
pokeVariant[0].vt = VT_BSTR;
" U G X; o1 {& X pokeVariant[0].bstrVal = valueStr;
! }. q" ~. V# E! x7 `
( F2 I$ D0 v P itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! l Y2 B4 h8 U5 i* I
VariantInit(&pokeVariant[1]); # A% E& Q, i$ {' l3 h
pokeVariant[1].vt = VT_BSTR;
7 B. r9 C2 ~6 ]: ]; H. b7 O" N pokeVariant[1].bstrVal = itemStr;: T; I# j/ |' k* j. [* u) ?! y
3 ]. y& `4 l, ~2 p topicStr = SysAllocString((WCHAR *) L"system");
0 G. N6 T Q& n0 X/ x2 M3 r VariantInit(&pokeVariant[2]);
; `" H1 }; ?+ X! ?8 R pokeVariant[2].vt = VT_BSTR;
/ ]7 M) x- s) C% B5 z: ]/ f- N pokeVariant[2].bstrVal = topicStr;3 O" @% T) F+ ?3 m; I9 W# v
$ d' c. \; u" Z3 c( G1 i
// Set the DISPPARAMS structure that holds the variant.
8 V5 l5 J# H% f& k0 x/ r
: p. Q, X/ `, P+ Z+ c& C dp.rgvarg = pokeVariant;8 l% n7 K! O" S) |
dp.cArgs = 3;( }3 m( |* \$ b3 ~
dp.rgdispidNamedArgs = NULL;
J6 u" J8 R% n& w+ N" H4 T# v& ?: ` dp.cNamedArgs = 0;
- E {* l% d. Y! K
! u8 x% l! r& s7 `0 [// Call IDispatch::Invoke()' o) R/ ?; S) X' y7 J
: x% n0 g& K" K/ N" [
hr = m_pDisp->Invoke(
7 A; b, i, [0 L pokeID,' O, ]# r1 x, v7 ^6 B
IID_NULL,' b- F7 V# _5 b. A, p2 e& c, z
LOCALE_SYSTEM_DEFAULT,; c- W) Z) k; h7 p2 {
DISPATCH_METHOD,
7 g- a1 Z7 H( B &dp,4 l8 l- z6 v4 y+ I% i3 i0 j( _
NULL,
4 {! Z- o Z+ Q2 F &ei,( o. x* R" r: A% D, k! @4 K
&uiErr);
: ^ U; Y2 ]' W5 @9 _* \8 h* j! f" }
SysFreeString(topicStr);1 I& i3 W1 K: j9 {- z/ O
SysFreeString(itemStr);/ F- }+ R+ w) C* L$ W5 A
SysFreeString(valueStr);: F, x) N8 r, Z% y% e7 |8 i- h
2 y% L+ N% m# h, z* y! S1 i* b7 T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 K) c: L) ~5 K% j
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????
- x: a! E! M0 f1 L; f: f" e
4 i3 F7 L0 |$ O- \* ~6 e" v5 w5 s) g: F) H2 L9 Z
2.这是request的程序
5 H1 j8 o7 E/ S+ U) G/ Q* C// Request a value from Extend
0 X! b) Q, G. @. M: O+ d* {1 ^//4 O2 m! D9 r' ]
// Initialize the variant that will hold the BSTR. Set the variant's! Y. G! d. ~: \( x" `
// type flag to indicate the fact that this variant holds a BSTR. Place the1 V5 h( x/ D; j8 Z ]' o
// BSTR into the variant structure.
; a. Z4 V3 S9 S- D
4 A L& Y0 B" o- C/ G4 | requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
1 R% E* }# E, j" k. r $ A# x, A& P3 N% F
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& @$ j7 H# G" X( I4 r VariantInit(&requestVariant[0]); / a: e U& i! p8 U7 C
requestVariant[0].vt = VT_BSTR;- w2 l+ T$ U! J& k5 U
requestVariant[0].bstrVal = itemStr;
- G, h7 b* U) B9 D1 S& r5 \4 Z9 H y [/ l! c% g
topicStr = SysAllocString((WCHAR *) L"system");6 Y+ K3 ~ [' B0 O7 P" Y
VariantInit(&requestVariant[1]); 2 G% `" T$ ^0 _3 \# J1 v
requestVariant[1].vt = VT_BSTR;; t/ p* q, N0 f/ P2 ` }: v4 f
requestVariant[1].bstrVal = topicStr;/ W/ M9 a1 d; L
! H" O. ^3 k5 Z// Set the DISPPARAMS structure that holds the variant.9 v/ r3 X q- H
/ _: B) L6 f+ M7 ^/ J
dp2.rgvarg = requestVariant;5 M, |/ U0 G1 }
dp2.cArgs = 2;; q1 I: V$ |: T4 ^
dp2.rgdispidNamedArgs = NULL;
; i4 }& j2 n- W9 g/ o; Y dp2.cNamedArgs = 0;7 P% ~/ R. `2 U) W9 [+ E
( k; }8 V# d0 R* G6 t2 H
var.vt = VT_EMPTY;. h; L6 _( }$ m
4 x5 K1 l2 E ?: e: B// Call IDispatch::Invoke()
4 k. ~8 ?$ K* l7 n1 H; K. C
* k5 y( _6 K4 j4 J hr = m_pDisp->Invoke(
% ]& ^( |3 K. P requestID,
9 Y. V8 h4 h1 h" S8 j- r/ i IID_NULL,4 a, o0 o7 I; c
LOCALE_SYSTEM_DEFAULT,
' x3 G- F+ I Q0 w) _* m DISPATCH_METHOD,
+ c0 }+ X% y$ } &dp2,) ~* J( ]5 f3 _& J" I5 y# b% T; x: v
&var,3 G4 n( k5 e1 [! W4 E
&ei,: x5 @3 d7 r0 E) H
&uiErr);/ [! s3 L! Z$ U* y; j- |
7 E3 r- S4 H% _( [ x* L
SysFreeString(topicStr);
4 C' G5 w' D0 {" x* Z* M SysFreeString(itemStr);
3 }' |+ Y8 p+ x, d+ `- W请问该程序是获得extend里面的哪个值?
6 U( X& g7 y. Z) ]7 E5 J) |4 i. B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???? |
|