|
|
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 `3 X4 s' [& h% d3 l4 PName = (WCHAR *) L"Poke";
' B7 X) o6 |% y
% u: w' u! V; S+ F, e% O/ N hr = m_pDisp->GetIDsOfNames (
& `# {% L! C6 X/ J. J& l5 M+ l IID_NULL, // reserved' i, G' T9 ?0 r+ G
&Name, // Array of names to get IDs for
; L2 M8 L5 E% j, G) j 1, // # of names in the array1 x+ [2 Q" M8 U# s9 Y! d$ R
LOCALE_SYSTEM_DEFAULT, // System locale0 _ }) ~0 [% `: l8 q' N
&pokeID); // Array of IDs to fill on output5 p0 h8 G3 m/ M3 h C$ r
9 h v. S7 U9 @- {1 d7 b" Z' I0 T
if (hr)
6 G5 X8 [! l* c) [+ Q {
2 o# _, J* h. s: P. s1 \ I- K MessageBox ("Get Poke Unsuccessful");% f% I: p0 N; B# B' M
return;
( i8 D/ e4 f4 e4 I9 g }
8 Y. a" P& ^# o/ X! S, c V/ h1 z K
/**************************传递数据给extend**************************************/
. }0 }5 Y6 P$ f2 d+ k pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
; L" D, M, q0 }* T% o( n
& s- S) O( x! ^" d$ e, f+ Y valueStr = SysAllocString((WCHAR *) L"1232");2 K3 T& F$ e+ s6 t. P% E: f; r
VariantInit(&pokeVariant[0]); 8 z0 l8 v0 G# \: |' b3 ]! }
pokeVariant[0].vt = VT_BSTR;8 \ ~$ `3 ~, l: H( h' T
pokeVariant[0].bstrVal = valueStr;
6 u3 U1 Q# l; Y
! K/ O, X4 @$ e7 A$ N& Y7 F itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& w$ K' ]* ^4 n/ T9 V5 r VariantInit(&pokeVariant[1]);
( j) U2 w& S G* r H t b& @2 p pokeVariant[1].vt = VT_BSTR;
! a" m9 g. m- S5 T pokeVariant[1].bstrVal = itemStr;: u0 ]7 J+ ~7 a- y4 w% E
9 r3 C4 X9 y- T& s! d( T; l
topicStr = SysAllocString((WCHAR *) L"system");
2 E! b4 d, m8 w S$ }# v VariantInit(&pokeVariant[2]); : G/ B ~1 u/ j+ g. i6 t1 p' K6 W
pokeVariant[2].vt = VT_BSTR;9 }% ?( E: b: m, `# }/ ?: e
pokeVariant[2].bstrVal = topicStr;- q R9 d. V* \6 P( {$ p! O! S
% s5 M0 h: d( P4 u// Set the DISPPARAMS structure that holds the variant.1 U {4 ], ^( s9 u; a7 {
5 K& R i& p- U. F dp.rgvarg = pokeVariant;
* S# T/ Z' u5 y/ _ dp.cArgs = 3;' b4 r+ I1 A/ O, ]* |4 |4 S+ [
dp.rgdispidNamedArgs = NULL;+ |% U. r5 ~! v: Q/ ~
dp.cNamedArgs = 0;
% v# _; J0 C b* h$ y* X" z
4 G0 g( e; ^& n9 f// Call IDispatch::Invoke()
" t; |* G g9 y. g; d- j0 E3 e! ?$ }5 z1 s$ |. o* @; D
hr = m_pDisp->Invoke(
& m1 T. ]9 ]+ \6 H% G3 d. v pokeID,
- V4 p9 g! z/ U IID_NULL,
( ?' L: F4 M7 [- E- S LOCALE_SYSTEM_DEFAULT,8 o$ `' h. w( R I% Q3 P
DISPATCH_METHOD,, `$ L9 Q* h3 p, o
&dp,
! F9 i* V+ o0 Q NULL,
9 e9 D8 K* [4 k9 \1 P7 I- @ &ei,
, y. l* Z8 N% k/ @: `0 ] &uiErr);
( u! u F5 _& W1 E' @! A; }# E& P6 ]0 O5 A8 K
SysFreeString(topicStr);: L* `' {, ]. Z& m6 S' t' a
SysFreeString(itemStr);) X9 Z, x/ U2 U# I. e
SysFreeString(valueStr);8 ?6 f6 {9 ` L+ J" y$ \0 ~, v( M
6 z; d8 ~0 u& {4 B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???) k. G& P& D" q0 ?. Z6 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????' K9 \6 b& a5 F( [9 U* ?
* I6 [: w6 w( B9 U* s' q0 a8 E. e
6 P) K* P9 t6 k& P. b+ _7 S2.这是request的程序
5 e/ v5 Z2 S. F' p// Request a value from Extend
8 ]" d2 c( D1 U. ?% z+ f- u0 s//
9 V2 d1 p- M! F6 z// Initialize the variant that will hold the BSTR. Set the variant's
/ J. U0 _. j3 Y, }6 ~& w$ L) a// type flag to indicate the fact that this variant holds a BSTR. Place the! I p$ Q" a( F* ~# b7 F* _. B
// BSTR into the variant structure.8 R( l3 D( J3 z0 t& x
* E5 U. u" E4 N. t8 o
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
* g4 D$ ]! W4 P$ L+ m2 A B2 b% t7 ]- w' R+ F2 q
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' I; ?# H. k+ i
VariantInit(&requestVariant[0]); 9 m. b& T, s0 O
requestVariant[0].vt = VT_BSTR;" h+ n% T7 C4 J& X' o/ [% V
requestVariant[0].bstrVal = itemStr;
; ]. j% ^& ~1 e) r9 a e! v# @4 Y- z! w, }' t
topicStr = SysAllocString((WCHAR *) L"system"); Z! \2 N( v0 I" e) G" K# T. Y4 i2 c. V
VariantInit(&requestVariant[1]);
# p, G- |- i2 z requestVariant[1].vt = VT_BSTR;
2 S6 J) ~2 }" P/ [9 s requestVariant[1].bstrVal = topicStr;8 o# H: U0 A1 d: J! t4 N
" u; B: h) x. e# f
// Set the DISPPARAMS structure that holds the variant.
8 d* ?4 k! H( B
e2 a9 h: K9 \ dp2.rgvarg = requestVariant;% x, I* ^) Y' W8 |0 w
dp2.cArgs = 2;- R. `# p1 n0 ~9 d
dp2.rgdispidNamedArgs = NULL;7 N2 \# ^/ Q; B# ? }) b
dp2.cNamedArgs = 0;
" p6 [. D' @3 g G+ c1 D6 B7 C6 \; \- a+ z g' S+ t0 _
var.vt = VT_EMPTY;* w7 i7 Q! t' w2 O& K
: M1 Y- X: `; a" d" x8 `: L// Call IDispatch::Invoke()
5 \/ o8 H/ w" ~( U' ]$ k7 V; `9 E6 Y: s N. [, |; X! t
hr = m_pDisp->Invoke(
6 B# P- ~5 E* c requestID,. ?) ~9 Y; e" w, s* T% D
IID_NULL,
( B$ V! P6 w( I1 M LOCALE_SYSTEM_DEFAULT,( x8 F: j. j7 v( d1 t7 ^4 p
DISPATCH_METHOD,
; |" c2 w4 A# t; q# h9 f& l1 g &dp2,
) H$ Z& `- r) X- C; V' M &var,
' l6 ^( w* S& y' Z$ O$ |' g9 w &ei,& S* W+ P; r9 `; T' V) U
&uiErr);
: D: }) K5 x( k6 _! |* a
# X$ G& T8 b. |+ s- p- t4 {+ X SysFreeString(topicStr);
+ {8 H" S: \" f1 b% @+ J SysFreeString(itemStr);+ b3 }4 _3 W' H( J, x1 M$ I# Q5 B( i
请问该程序是获得extend里面的哪个值? C ]" @9 ~+ g' X5 H' `
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???? |
|