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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 E! P# G+ [9 \# p4 zName = (WCHAR *) L"Poke";. a; p+ i8 p' t
/ a7 v: h+ ^6 h! O hr = m_pDisp->GetIDsOfNames (
) ` [( \) ?. e IID_NULL, // reserved& T" X8 t$ G! ^6 @
&Name, // Array of names to get IDs for
, e' b* _4 ]4 W8 i& d8 |. q' t 1, // # of names in the array
3 j; C. J1 N0 f! J7 t" Q/ J LOCALE_SYSTEM_DEFAULT, // System locale# M9 M* v% `. x1 l
&pokeID); // Array of IDs to fill on output
1 L+ l/ c5 w8 b8 ]8 u/ z) j
% W* d" A' [& o$ D7 _. `( A1 a if (hr)
# I' b; t( \0 b7 H {
2 q" v* C3 K: V8 k' U( d2 @ MessageBox ("Get Poke Unsuccessful");
6 }8 U% o4 Y9 ^5 ~, \ return;3 q4 R+ i; n2 p6 [# r
}' P* t$ g8 O# g) z
8 d- A& X- }; v4 J$ [5 }
/**************************传递数据给extend**************************************/
4 B" L6 ]0 b6 ^/ C& e$ Y pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
& h L( c& w. x B( ~+ s
7 L4 }3 z. [* C D5 ?) l" y' ` valueStr = SysAllocString((WCHAR *) L"1232");1 f) o! @2 Q5 A# G+ M! i
VariantInit(&pokeVariant[0]);
2 O9 T7 a; V e) e& j pokeVariant[0].vt = VT_BSTR;
7 I G9 M+ V7 c: K pokeVariant[0].bstrVal = valueStr;
+ ?# Z- N5 d, h+ E3 w3 d$ d$ ^0 L5 h5 O2 Y! E+ X+ [
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 x* T$ v6 I; Q! c8 `
VariantInit(&pokeVariant[1]);
! I* U4 q. m( A0 r pokeVariant[1].vt = VT_BSTR;2 b+ x4 h9 u0 i
pokeVariant[1].bstrVal = itemStr;- @* B. @2 e+ E( }$ P! t4 T
+ ?2 ^) Q S1 V3 |, B
topicStr = SysAllocString((WCHAR *) L"system");
" z+ P. N6 N3 {9 v/ y5 l3 X5 W7 @ VariantInit(&pokeVariant[2]);
" Q% V# o- G# A! K* { pokeVariant[2].vt = VT_BSTR;$ N) f. h: u0 l5 m
pokeVariant[2].bstrVal = topicStr;& P D0 Z. W: k* M
9 z4 e7 `& a0 g* V- `5 \ E& T5 D* q
// Set the DISPPARAMS structure that holds the variant.
' ^" a) F" q: N- E7 y8 e$ C, F" B# F# K) X" s+ R7 S/ i8 t6 e5 t1 V! R
dp.rgvarg = pokeVariant;
- q c5 u# @! Y8 A0 Q" i1 a4 W6 | dp.cArgs = 3;/ S! z! Z( v) b0 O( u; e2 k
dp.rgdispidNamedArgs = NULL;6 g& [5 _: h% c0 q; P2 |3 r1 }
dp.cNamedArgs = 0;+ {" k. ~5 E5 _( w% {
& O `0 {1 T3 y/ U
// Call IDispatch::Invoke()/ T" O. p+ a( r" T$ M
- B) p3 S; A* D, V
hr = m_pDisp->Invoke(( c9 H) ] ^' |* I0 L
pokeID,$ D y; r1 A* I- \5 O) `
IID_NULL,3 t) R! L6 `6 ?( g% H" y9 @0 [
LOCALE_SYSTEM_DEFAULT,2 m M* c8 x! `2 ^# Z9 d; T4 l8 h
DISPATCH_METHOD,
# B* i o" ?( ^, c- p; ?+ t% P1 K &dp,
- i' j$ T' L" ?' U NULL," W! \. a; M% T5 G7 a' n' y
&ei,
/ d) t0 b$ n6 _8 T, k$ W* r &uiErr);% X0 a/ C! G) S1 U: c* R
! B4 {2 x' P5 `6 ^) j: m$ ~
SysFreeString(topicStr);0 D4 N& d; |' O6 ^7 Y
SysFreeString(itemStr);0 V+ j- b6 A, B
SysFreeString(valueStr);& X) [# M6 H! K( Q
$ o( C% p% e6 }! 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？？？
1 Y* i1 p8 T. u2 a- _' H1 x" M9 Y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？？？？
. a% \9 v2 k5 f4 z* ~# |' T6 {. G: e+ s2 X( S$ Z- x+ R% k8 ?+ x
. z6 z I* E4 B% B/ v- v9 b4 r; |+ ]: b8 U2.这是request的程序8 s8 P# u# C3 i& P/ s
// Request a value from Extend
( ^* Y! J R: [3 T+ @//, b. u, u: T7 b' H
// Initialize the variant that will hold the BSTR. Set the variant's J8 S& G- h. H! V+ w6 L
// type flag to indicate the fact that this variant holds a BSTR. Place the
# u$ ?5 J! A; G4 F. K2 V% y5 _// BSTR into the variant structure.
. q5 ?. w, b/ K1 W( d2 I7 P7 O' ^! u% ~+ j8 x, p$ S6 {" {
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);4 P8 h: S. D$ |* m+ ?: M/ V
7 x& K8 m. |1 B8 _& v1 n
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 e' X5 c# R3 p' o VariantInit(&requestVariant[0]);
: n" h" @3 D( H }; g requestVariant[0].vt = VT_BSTR;5 u+ G5 R8 |7 G+ N" U
requestVariant[0].bstrVal = itemStr;& L: s) [+ b2 W; ^5 k( Z ^ D* q
/ u- Q( m' o7 W, t* n. h* R
topicStr = SysAllocString((WCHAR *) L"system");/ y; l7 j- l! a7 h' k& `
VariantInit(&requestVariant[1]);
* R$ p1 g9 ~% c+ Q requestVariant[1].vt = VT_BSTR;/ }) n3 A6 r, F) o- E
requestVariant[1].bstrVal = topicStr;
) a) _8 L1 p6 T5 F4 a9 h( V, z7 [/ u7 h$ T
// Set the DISPPARAMS structure that holds the variant.
* p3 D8 p5 I" \. \8 U% B- f) T2 c3 J) J. x7 v$ R' V
dp2.rgvarg = requestVariant;
& L1 y5 j' @* H' w+ k& ~ dp2.cArgs = 2;2 L# ~* T9 \6 I; [2 N% j5 ~7 v
dp2.rgdispidNamedArgs = NULL;
% ]2 A. C. T( G/ E$ b. P dp2.cNamedArgs = 0; S" m( y) t4 _1 Q, e
% w) j5 j) O( {7 u0 H# v var.vt = VT_EMPTY;
8 T# l3 P7 X* F$ T
5 }- B# Q# M. j6 [$ `// Call IDispatch::Invoke()
3 w' R( h, U9 [7 h( q( y7 t3 e; `0 v2 }8 e
hr = m_pDisp->Invoke() ~" F ]/ K+ m# t4 M5 X
requestID,
! L3 m1 D! q+ u+ S IID_NULL,6 B1 H6 E5 j, O
LOCALE_SYSTEM_DEFAULT,, p! b4 U/ `$ z r, [
DISPATCH_METHOD,
9 I1 I6 j, W% }' X, S5 E &dp2,2 l% R% V4 j) Q5 V/ E
&var,
3 i. c1 O2 h, L( ?+ h2 X) K. T &ei,
# {) X$ h% u t a& @ &uiErr);1 R1 }7 h$ D% P/ O" B
7 T% [$ y1 r* A9 ?+ u) T$ `4 I# R SysFreeString(topicStr);
# i. g0 P" n( f2 t. k* a SysFreeString(itemStr);
5 K0 H/ N; [# S9 O请问该程序是获得extend里面的哪个值？9 S' v) ^4 W% U0 o6 {* ^
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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发表于 2008-11-25 19:37:03
