|
|
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:
9 D; |3 o+ s+ A3 e5 N! D& z* eName = (WCHAR *) L"Poke";' o) k7 A! m; q& D! }4 @
6 c$ K' y2 i/ L
hr = m_pDisp->GetIDsOfNames (
) W0 X4 c/ k2 d" b3 o* U; f: f M IID_NULL, // reserved6 h5 j( e' {. ^1 k* V; l7 R9 F+ a
&Name, // Array of names to get IDs for x2 i6 e- ~6 j9 t! ?+ X$ h1 f0 B
1, // # of names in the array/ b! R7 U6 |+ d: o+ ]1 {
LOCALE_SYSTEM_DEFAULT, // System locale
) ]+ }) Y4 r( x5 @+ F3 S" | &pokeID); // Array of IDs to fill on output0 i- O3 i2 V, k- n, B' Y% X
! L k' W- {, r- c, q
if (hr)
; e' G: w# V+ O& L4 \% N {- F5 J3 s0 Q% f. J: ]8 x% w
MessageBox ("Get Poke Unsuccessful");
1 Q x$ e3 b# o7 e2 \. @ return;
7 ~, n, @" ]% r: L( x* D, a! w }; M( ?9 D# w5 o1 S6 `
, ]$ X5 C$ B& I: ^" L9 e8 u
/**************************传递数据给extend**************************************/
( O# |) Z/ p# g( y+ U4 L pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
% o# [& \" K) |6 x( B; U& R
9 e4 G8 V2 c) y! e: A" o valueStr = SysAllocString((WCHAR *) L"1232");
' j7 Z) N& l) ] VariantInit(&pokeVariant[0]); 1 t! }( i( z. l$ T
pokeVariant[0].vt = VT_BSTR;
1 F* J0 T M9 `, a P$ }' A' A pokeVariant[0].bstrVal = valueStr;
$ u2 _' v1 u& k
, a! v( W9 w `! s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
U% E2 b7 C! W6 _. I, ^0 v VariantInit(&pokeVariant[1]);
: \5 a5 K+ r' F# j0 L pokeVariant[1].vt = VT_BSTR;
2 U6 v7 ?/ X% c1 ] pokeVariant[1].bstrVal = itemStr;
% r* ~% d- Q- m8 {& m
* r8 x: X8 D" h. r3 m) v" p topicStr = SysAllocString((WCHAR *) L"system");
% G/ `& d% @; V; n$ r# s1 m VariantInit(&pokeVariant[2]); 8 Z& l! P8 L" B" `8 u+ d
pokeVariant[2].vt = VT_BSTR;3 Z5 A0 Z6 K/ y5 i. n. H4 ~
pokeVariant[2].bstrVal = topicStr;$ `8 m1 Y) e3 M4 q/ o V+ G
+ H1 C" ~6 h" W7 \+ k6 g @
// Set the DISPPARAMS structure that holds the variant.
6 K5 [: Z+ V6 Q: S1 ~0 I6 z+ v6 W5 S
: A* y0 r1 a+ J$ S4 _5 z/ S: b& ? dp.rgvarg = pokeVariant;! ]* z' N9 {: c/ ~) B5 r" d
dp.cArgs = 3;
% V W6 n# r9 T. F# C dp.rgdispidNamedArgs = NULL;
* z! }( m1 J: K/ q' t9 c. a; x dp.cNamedArgs = 0;: _, u6 V, q( Y0 \; q ^: N% I
" u0 y1 T% K/ N$ x1 n. M// Call IDispatch::Invoke()4 D2 G7 k/ c3 U% c3 D. F
6 t' W1 `* M8 W3 _5 f9 X hr = m_pDisp->Invoke(
8 [) H- y. k( |" E5 |3 N/ { pokeID,
+ U4 L9 i8 `6 e8 V* e IID_NULL,
/ E' r' U+ D- Y3 q" ` LOCALE_SYSTEM_DEFAULT,6 b+ q5 ]: p0 i9 ~, h
DISPATCH_METHOD,+ k) S- m: u9 [! v
&dp,
$ Q4 i6 G. A* g NULL,1 T: _& T# B% m- K
&ei,4 s0 Q# p0 F5 E8 E, F
&uiErr);
. z/ [$ b2 }7 c% }% `, l5 A4 M
( p5 k( U" B4 p2 i+ \ SysFreeString(topicStr);# q, Z Z, D+ H5 w( G9 g
SysFreeString(itemStr);
0 |9 L5 f- h7 n2 k SysFreeString(valueStr);4 n2 j: O/ v1 B; v6 R: ]4 _5 K
2 ?( x F N8 W' K3 Z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???# Q" R! Z- o" V0 e# {
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????% D$ E; B! W/ G2 V% Q( c6 B k( ]1 w
7 p; `! r/ k2 r" \" R) G
+ n" h4 G, |4 l! n; E6 G# ^8 Y2 h2.这是request的程序
5 b X% A1 M! p) P// Request a value from Extend7 D5 U/ {( k" S) I+ q9 I6 Z
//
5 b0 \* t0 v; Q9 e8 t# R3 K0 ?// Initialize the variant that will hold the BSTR. Set the variant's+ ~' S+ g! `8 u
// type flag to indicate the fact that this variant holds a BSTR. Place the
( r5 I# Q3 v: }6 \+ c( f' e// BSTR into the variant structure.! F$ q' e/ p! F$ w8 }" e, R
' L% q+ b8 J& F2 J7 W
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
6 y1 f: T9 Z( \6 D+ B% l- h
& f. R$ x |7 X, v+ [* E' J itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 Y6 P9 d% s, n) z% C I2 o4 N VariantInit(&requestVariant[0]); , g) H1 W. z" ^- F E6 Z
requestVariant[0].vt = VT_BSTR;2 E0 s) W) a4 @5 R, E
requestVariant[0].bstrVal = itemStr;
( y" w, f& @: l
/ C9 x& M+ B3 q( o9 ^5 _ G; h topicStr = SysAllocString((WCHAR *) L"system");
1 D5 N. [! v# R# Y VariantInit(&requestVariant[1]);
9 {4 b; c; A5 j+ Z" p. i requestVariant[1].vt = VT_BSTR;. ^: t3 B1 A" F P6 H: ?3 N& d
requestVariant[1].bstrVal = topicStr;
' w1 Z4 D0 ^# |
$ P7 |& G9 }7 n8 D3 F/ y// Set the DISPPARAMS structure that holds the variant.% i5 X6 s0 I5 N. N7 z* r6 Q5 ^3 `: F
2 s0 n2 {& R1 j0 ~) S% M% u' k7 U
dp2.rgvarg = requestVariant;. r; ^& |8 J& L, s" |5 N
dp2.cArgs = 2;
5 o/ d }$ Q3 `. L dp2.rgdispidNamedArgs = NULL;
% h$ m! l, [, Z dp2.cNamedArgs = 0;
% t) {* k2 o4 n7 S3 C4 j
& p. N5 O! B- O' n var.vt = VT_EMPTY;/ z6 \' L; b* v% `# _' y8 B
* j" F7 H2 h9 A' w( C/ r// Call IDispatch::Invoke()4 d" ~( S7 B& p' L1 P/ G# A
- }) n3 N4 D# K hr = m_pDisp->Invoke(
+ I: }; K' `; V0 S+ R requestID,
$ P# r& O* H' q' `: K IID_NULL,
2 G) P7 H! F9 Q* b LOCALE_SYSTEM_DEFAULT,5 T2 s5 e) h* E( J! G+ c: E# g
DISPATCH_METHOD,. Y$ V& x) D7 a
&dp2,/ W! h J& E; W. l
&var,
, a5 x0 t* Z- c1 D& \( d) `; i" B &ei,
( B% z$ i& {8 J( t &uiErr);6 H0 r% `7 j9 a) {
( W) }* W1 Z$ c& ^
SysFreeString(topicStr);+ i- U3 t# C! X$ |, W0 X4 A
SysFreeString(itemStr); ^2 A- }" h, I+ u- |
请问该程序是获得extend里面的哪个值?- f# k. d$ S* E
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???? |
|