|
|
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:/ p* S l c8 A4 K9 K
Name = (WCHAR *) L"Poke";
8 U9 m" O+ Y% r
; a* p' o4 }( y hr = m_pDisp->GetIDsOfNames (: ]+ B% W0 p/ q, f5 i+ _" ?, n" F
IID_NULL, // reserved2 @; g7 W4 W$ Q( P" _+ Q
&Name, // Array of names to get IDs for4 @# F* V1 j, v) W0 v) h
1, // # of names in the array
9 i }0 v0 a! ] LOCALE_SYSTEM_DEFAULT, // System locale! f7 y/ d* ?& i h$ W
&pokeID); // Array of IDs to fill on output
3 |8 I" I' z& s, h9 b: U( C* n 7 K& w5 e6 E' h+ B
if (hr)
" z" n1 b8 V% f. v1 F& R {4 t' g/ m7 l: N( U
MessageBox ("Get Poke Unsuccessful");7 i4 G% c: m; {- f
return;
, R5 {. u: L7 @- e4 x }
0 V- x/ V* D$ I$ z2 R) E7 s! A+ k, W& `# @! f$ j1 s$ W
/**************************传递数据给extend**************************************/
0 r' Q1 c* ?) _ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
% P5 E1 w @5 J4 b
( }, ~6 Q# L( ?# ~8 F0 y valueStr = SysAllocString((WCHAR *) L"1232");
; B8 x) G: w) g' ]. K VariantInit(&pokeVariant[0]);
5 |6 q% D/ @; e9 S pokeVariant[0].vt = VT_BSTR;
1 J5 \7 J* D$ g7 l pokeVariant[0].bstrVal = valueStr;9 {: P5 Q) x) ]) Q9 |* N
1 k7 P+ D9 c2 N2 ?$ A
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ \8 F: n( U3 [, W9 q- {( H
VariantInit(&pokeVariant[1]);
/ t, `( p* r Y5 v. l$ A3 L pokeVariant[1].vt = VT_BSTR;/ Z ?2 N8 R* L& T- g, {/ k
pokeVariant[1].bstrVal = itemStr;, ^& W% A2 I% D$ `3 f( m
C% A. W9 m& e- @3 m$ g8 e0 V0 S @ topicStr = SysAllocString((WCHAR *) L"system");' c3 M# H9 I9 W$ X, ?; a, H( B
VariantInit(&pokeVariant[2]);
3 K0 \) t1 T) F d2 k- f/ j6 J pokeVariant[2].vt = VT_BSTR; n- D& }! z U G9 ^
pokeVariant[2].bstrVal = topicStr;; ]1 [9 x) C. e- x5 ~4 e0 q. \2 i
7 d6 }- a& J. p$ A( r( E0 F' ~* _' L// Set the DISPPARAMS structure that holds the variant.0 I3 x0 f4 Q" j9 \! g8 P) K
2 T; O1 C- v& @8 t2 x5 D( O dp.rgvarg = pokeVariant;7 h/ I/ L9 H4 s( g$ [+ Q- s
dp.cArgs = 3;
& _" j7 C; b/ V8 G/ u ^ dp.rgdispidNamedArgs = NULL;
7 ]2 F$ c* W% ^5 v4 D2 J; R dp.cNamedArgs = 0;
. ]+ u7 T- B# j
c0 x u, w; `// Call IDispatch::Invoke()2 I2 j2 i$ B7 A C4 y' \, N8 c
9 c$ P4 X" V% k hr = m_pDisp->Invoke(
! w% n3 g! }1 A- s8 O pokeID,
/ C: _8 Y" H$ v IID_NULL,. b `, u s% h8 R, T5 @1 F
LOCALE_SYSTEM_DEFAULT,
- F G; L- X6 z7 r* A5 | DISPATCH_METHOD,9 c' q2 N: A+ `2 \$ n
&dp,
& M" v. v" t8 M$ [: K% Z: w6 o; j NULL,
- z/ ^$ h5 R T' H w" U6 o &ei,
, f# ?. H5 Y" w( U( S3 y( \' U &uiErr);
+ j- F7 |3 I% _- K4 G- X' R# n) w: X R: Y3 c5 N- Y h
SysFreeString(topicStr);/ C. ?8 j% m, s: b) F
SysFreeString(itemStr);
) X4 G! k1 p9 [- Y7 V9 w4 Y SysFreeString(valueStr);
/ R f( U! f8 I8 {& B+ \( z/ j! P3 d" Z7 o" x1 z w
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???# S' G# W% ^" f, X' ? d
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????8 A) N) v- r) Z' O2 m" Y3 {
6 Q+ j7 L3 t& W' W, }2 V) D7 h( a# b& i' B! U$ S. L# z! V5 P5 R
2.这是request的程序
2 K! R* c, @+ r/ D; M$ G; U5 D; r// Request a value from Extend5 }6 {% W' k2 X- h& c/ y
//
2 V, I( X) Q9 X// Initialize the variant that will hold the BSTR. Set the variant's8 D+ G! }' S5 |% c. u, Q6 ?
// type flag to indicate the fact that this variant holds a BSTR. Place the9 w" Q+ u7 \3 A$ S
// BSTR into the variant structure.
4 o0 m% z9 d4 ?: o# C' @* n$ G9 Q" T$ |/ N
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);3 k- Y5 C; ~6 B% h3 \
* B" F6 B. i! K& h* ^( a4 l
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 P$ i+ Y1 U& F0 S. r, L
VariantInit(&requestVariant[0]); 8 j6 v8 }) D0 d7 }' Y( k
requestVariant[0].vt = VT_BSTR;/ G4 s2 o0 z; X( K+ t9 s
requestVariant[0].bstrVal = itemStr;2 Y2 m$ a( J! g: N! r1 \8 m3 S
# \# ^, F% x" y; M topicStr = SysAllocString((WCHAR *) L"system");5 T+ g# _ `: t1 y8 T' ^7 d
VariantInit(&requestVariant[1]);
: l+ ]6 X; _3 b8 J5 Z4 U. @ requestVariant[1].vt = VT_BSTR;
* A7 O% T9 H9 L; u8 S requestVariant[1].bstrVal = topicStr;
. m2 h/ F9 [- o2 J; M+ a# }1 ]/ |( N' y; S" }! |, f4 n- E
// Set the DISPPARAMS structure that holds the variant.: Z7 A% o; B: \' \' q1 G
# T' ^9 t+ u8 n. O dp2.rgvarg = requestVariant;
/ `9 v+ J+ @, p" \; ] R dp2.cArgs = 2;
% n1 ~& J2 Y2 V R+ i6 x dp2.rgdispidNamedArgs = NULL;
6 G `; p* J. _, Z" j( m+ t& [ dp2.cNamedArgs = 0;9 Z4 v+ y; o5 x& k
# n0 a- n0 k/ U var.vt = VT_EMPTY;
j* K9 C* W# ]% ^. i' K- [' _ B ^. X$ N4 q
// Call IDispatch::Invoke()$ k7 F* x4 B4 Z U, @2 L9 T, m
$ l8 q5 i& ?% e+ B hr = m_pDisp->Invoke(4 D: I+ v- m4 g) d; d, P
requestID,3 `% n$ S3 s' s- y6 Z
IID_NULL,6 s% n0 E& L* `% t
LOCALE_SYSTEM_DEFAULT,
- h7 _9 X# {6 G% I" P6 C4 o DISPATCH_METHOD,
& C2 f7 b0 z( y" j7 Q9 ^& E: R &dp2,* F) i: E% A) G3 N8 L8 E: I" Z
&var,+ e. F' c9 p ?1 `: A: r7 K
&ei,; @) L) f8 H6 U0 O5 B% I5 o; Q
&uiErr);5 H \1 z' u! ?+ F0 a
- O7 }4 ?9 x8 q8 Z# S3 l. @7 u1 b SysFreeString(topicStr);
' b2 Y4 E$ \8 \) S! f8 x SysFreeString(itemStr);
7 o. D1 [% x* H+ ~请问该程序是获得extend里面的哪个值?
# \' F1 }: P& n/ R R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???? |
|