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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:3 ]3 X- F& ~. Z3 n! ~ s
Name = (WCHAR *) L"Poke";, ^7 R) X& R7 i. Q2 q6 i2 j1 a
T# n6 j! a7 M! P) I; v+ o+ L2 B hr = m_pDisp->GetIDsOfNames (
4 j$ h, W2 }0 ? IID_NULL, // reserved
, R3 E( C6 N3 U) N& |9 l4 I6 o &Name, // Array of names to get IDs for
: ^: j6 t8 Z. G/ K: W0 c 1, // # of names in the array
8 I* c x; u5 F6 W0 }8 a2 _- m LOCALE_SYSTEM_DEFAULT, // System locale8 p) V' x" {6 ^2 S- a0 N
&pokeID); // Array of IDs to fill on output
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if (hr)/ e; R/ x: f4 Q) m
{. \" i) l/ }( T* G% R, n
MessageBox ("Get Poke Unsuccessful");2 p( Z! R+ @# V+ \! f6 Q. B& m
return;5 `" T' D2 l. h' d
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, s- l+ C, P1 R. K1 p3 \7 v6 @* E/**************************传递数据给extend**************************************/
0 a. y9 l8 u, i+ h pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);% u* K0 z6 L3 b0 U0 ~0 p4 P
) c" U8 I1 J# p" k valueStr = SysAllocString((WCHAR *) L"1232");( p# Q" ?! ]$ n% j: q# ]
VariantInit(&pokeVariant[0]);
! R8 U1 d) q M" ?7 r9 m pokeVariant[0].vt = VT_BSTR;8 Q; m. j9 Y. J( s) N
pokeVariant[0].bstrVal = valueStr;
! @$ [. P' O. q% A9 c5 U
% K/ R# Y+ d# ? n8 L" t, _ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 ~* u! K+ f, U VariantInit(&pokeVariant[1]); 2 T; q2 }5 Z9 K- ~1 a! O9 R6 X
pokeVariant[1].vt = VT_BSTR;+ E3 r* m2 X M0 s6 g F
pokeVariant[1].bstrVal = itemStr;; j, ^4 A* R2 U* f$ I
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topicStr = SysAllocString((WCHAR *) L"system");" z7 e5 |" u# D# W% _
VariantInit(&pokeVariant[2]); 4 r( e# ~- e( T4 w& s
pokeVariant[2].vt = VT_BSTR;4 n' Q* f9 q0 `/ c( M, D
pokeVariant[2].bstrVal = topicStr;9 Y0 J4 E) A# _; u- h/ C/ c" j, Z
* v' l, k p" m% r0 l// Set the DISPPARAMS structure that holds the variant.) s/ _% f* @$ E* O9 O, @$ \- \
9 l5 M9 n+ w% W: d' d dp.rgvarg = pokeVariant;
' z9 q% e1 b/ W, o- w dp.cArgs = 3;
' K! }7 e9 B$ Y8 d' v dp.rgdispidNamedArgs = NULL; k4 h2 U7 m4 s, o/ c/ ]; n7 N. n
dp.cNamedArgs = 0;& L3 U" Y2 h2 B* \% K- p% n; V3 @! y: l
4 A& G5 B! U: h5 e' y9 q6 t6 ~1 l: k// Call IDispatch::Invoke()
* O% Q) H, e2 Q% T. k6 Q( x4 k+ R: K
hr = m_pDisp->Invoke(+ O0 {2 e3 F1 P4 }2 }
pokeID,
1 N3 d @) W& {8 H0 ^; ? IID_NULL,( s0 j4 e0 q2 @6 ?& [
LOCALE_SYSTEM_DEFAULT,6 T' e! m+ B# {& z [: p4 @
DISPATCH_METHOD,
7 ` b9 ^% H% f6 |& k& u &dp,, ~4 y- j* Q Z+ {' T& u9 {
NULL,- b: T* R1 Z& \9 |6 N0 B
&ei,0 Q2 {9 T- y ^
&uiErr);
" E$ `5 { k3 u4 M5 _$ K
. g& L, U$ B2 s+ g SysFreeString(topicStr);
& [5 Y/ H( u- V; {- h6 {2 | SysFreeString(itemStr);
; ]8 d w" ` Q" d SysFreeString(valueStr);* Y( V; R j5 m$ ^0 \- `+ R2 U5 O
; q$ c! f6 \1 Q: ?* i, v
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???
: C1 f( e, o" V5 h: `/ e) n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????
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2.这是request的程序
/ P1 J) x7 K J' }! F6 ^. H// Request a value from Extend* P! J f s0 x% U$ v
//
& x) ?$ i; ^- Q; y. X: v0 x// Initialize the variant that will hold the BSTR. Set the variant's, i; Y6 L# j- q/ M
// type flag to indicate the fact that this variant holds a BSTR. Place the E& j8 {0 P$ |
// BSTR into the variant structure.3 n0 l( z( j4 R4 y+ M3 [" n6 w4 T
; n0 [$ g3 h) z- w3 Y requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
' u4 l1 N6 n/ d) O, O- I
! u9 R D7 I- o0 l8 D& @ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; Z8 ]' i1 F$ _- L6 i1 O# a6 W5 K VariantInit(&requestVariant[0]); / x# p' V+ ~' }/ @, V
requestVariant[0].vt = VT_BSTR;- Z! ], z( U/ X1 {" n b4 `
requestVariant[0].bstrVal = itemStr;$ \4 C" ^" j+ ?# u# m
2 p; I7 u7 `2 M& ~7 v6 c4 w topicStr = SysAllocString((WCHAR *) L"system");! K0 p! {; y7 o) e+ h. ^$ E
VariantInit(&requestVariant[1]); 0 i4 E5 Y7 ~0 F* L* R% u
requestVariant[1].vt = VT_BSTR;
+ ~4 A; @! ^! q requestVariant[1].bstrVal = topicStr;
* W8 m; C* T! |" w c
1 ^/ R8 z" r& E- B// Set the DISPPARAMS structure that holds the variant.* l$ m% \2 }2 q- }( E
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dp2.rgvarg = requestVariant;
/ f7 O+ Q- j5 W+ z( H: p dp2.cArgs = 2;6 }0 Z( \9 p! m+ o9 Z& a. D+ s
dp2.rgdispidNamedArgs = NULL;9 ~& A8 f7 b# D7 v/ C4 C
dp2.cNamedArgs = 0;
" c! v4 c- N6 T$ b- v0 `: c6 n$ h5 \
3 Y$ f4 v P5 Y6 R6 ]( Y var.vt = VT_EMPTY;& D) V( G, N4 S# u, l% [) y0 P
/ W- e6 p, i* `7 p5 f5 K' E' }2 Q
// Call IDispatch::Invoke()
8 ^& w8 m# E7 U
0 {$ M$ A% t1 J: p hr = m_pDisp->Invoke(. t: N. J7 B, {$ w0 x* }7 S3 E
requestID,( Q- a( C# H$ W) k
IID_NULL,
- o# g }2 d( J9 a LOCALE_SYSTEM_DEFAULT,. j& R) R) P$ {( B: d( F2 d8 I) ~. `
DISPATCH_METHOD,
2 B F7 l6 ^8 C; T" M &dp2,- B j! t7 E0 Z" `7 l5 r4 `
&var,
9 ~2 q9 |" h+ L4 g, I0 c &ei,
$ q5 {8 _6 U( n7 H1 Y* U &uiErr);; l; S3 g- J: x4 X- D
* E+ S y5 h7 q8 D
SysFreeString(topicStr);8 c8 V( H+ S/ Z6 e" ~( H: W; ^
SysFreeString(itemStr);
8 d. \# U8 k9 |4 _3 U: l! V2 i请问该程序是获得extend里面的哪个值?
: {+ {5 N0 h/ c C0 Z* s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???? |
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