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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 R2 @4 o1 f/ s4 EName = (WCHAR *) L"Poke";
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5 m6 Q- Y" R4 O* T4 I d9 D) ? hr = m_pDisp->GetIDsOfNames (
3 w$ g- q7 h+ U3 J7 E IID_NULL, // reserved* E. f! o' p9 j3 R2 j
&Name, // Array of names to get IDs for- k0 T1 o, E: A. N$ G
1, // # of names in the array: c; o/ W2 K2 ]* |
LOCALE_SYSTEM_DEFAULT, // System locale
5 O. M4 A. `/ N8 | &pokeID); // Array of IDs to fill on output
, `' D/ T4 y: u# ? ' M8 G8 w1 c+ l J' ^* a; l
if (hr)
- ^/ N$ w1 {6 C' E: N* d2 V {
: D# r; o9 @: @, ^ MessageBox ("Get Poke Unsuccessful");
, t: i, c# ^) @3 Z* ` return;
2 \# i/ r* `1 h( m }% D+ G2 _$ p1 Y, U
+ M9 p+ j( \3 h+ W/**************************传递数据给extend**************************************/
9 Z+ e8 t9 _( _; P- Y7 s pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: R' k& K& [: J
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valueStr = SysAllocString((WCHAR *) L"1232");
9 |+ R4 E- H) y( w7 O1 E2 O5 L VariantInit(&pokeVariant[0]); 9 O' w8 h# z/ m
pokeVariant[0].vt = VT_BSTR;7 m1 \2 q' c+ R1 o
pokeVariant[0].bstrVal = valueStr;/ b0 G# T* i1 n( c
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 k" L u$ |& D2 s
VariantInit(&pokeVariant[1]);
- F4 k' {9 t3 }! m7 i pokeVariant[1].vt = VT_BSTR;
* ]$ y- E$ {; h' O6 d pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");! f/ g8 l$ K. h" s& j8 i: {
VariantInit(&pokeVariant[2]);
6 w2 E- b0 j+ N& a8 I4 B pokeVariant[2].vt = VT_BSTR;
# C& ]% {# `, `1 @/ l5 g! g$ {. O pokeVariant[2].bstrVal = topicStr;9 y! h& M6 i+ l5 ^1 v
2 \' o5 p: N& v2 ^+ w. ?. L7 B// Set the DISPPARAMS structure that holds the variant.
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% {5 Z1 H0 i; g' W) ]7 L dp.rgvarg = pokeVariant;! m S/ A2 [7 c4 a6 T0 \0 a
dp.cArgs = 3;
1 m1 i6 o$ L, M3 Q+ v7 M9 S dp.rgdispidNamedArgs = NULL;* i: g9 S% C; K1 T( a
dp.cNamedArgs = 0;/ @' Q* E* v& U5 y$ r
' O8 R% J8 z$ u* f& E// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(! K4 }1 c6 Y8 e, i# Y' \4 ^
pokeID,* E/ G/ \0 t# w; k
IID_NULL,3 ^. D3 P, u- S# g/ W" I0 d6 x2 F
LOCALE_SYSTEM_DEFAULT,: {, t! X, |" I I4 u0 S
DISPATCH_METHOD,
$ T2 e' {+ z/ K2 P, l. L2 d &dp,
- l( W4 p1 e- L8 R* V' D# b, g NULL,
% ~ a+ ~% c6 |8 V2 G* c+ H &ei,+ K9 U0 x; L' Z/ l6 o$ _5 D# I4 C
&uiErr);1 C4 B: [2 B4 X
4 Q( c6 b/ C( ~# Z9 U SysFreeString(topicStr);
* U1 M% g2 P! ^8 r- c SysFreeString(itemStr);
' e. n* u9 _$ X SysFreeString(valueStr);* _" o8 v4 D3 Z- L8 d
1 s' f' o) Z$ G% n7 h
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??? h" ^3 V. S k' N& E/ @* i
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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) Y, d! S' n% l# p' m) J2.这是request的程序
' Z: R# H) U# V// Request a value from Extend6 N/ w }3 V/ h4 P
//; E) i9 w# \' |# X9 U$ [, ? t9 M$ `
// Initialize the variant that will hold the BSTR. Set the variant's
' ]1 F* O- a9 @" k// type flag to indicate the fact that this variant holds a BSTR. Place the
0 x" {/ z: [4 `: ` Z9 F! d h+ K// BSTR into the variant structure.
0 J& }2 b/ v2 x4 x
0 o" I7 A4 S m$ |3 C' B requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);; Z& r) W3 f7 f8 M4 s
# e( U2 `3 |7 M* w0 \$ }
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");& K- u$ _1 f3 K5 [- N5 O4 d
VariantInit(&requestVariant[0]); 1 A( m2 w8 V- Z( [; e( W4 j3 |/ O
requestVariant[0].vt = VT_BSTR;
6 N2 ], w. x2 Z) G+ [4 Q( D requestVariant[0].bstrVal = itemStr;
6 S" d7 |1 ]2 d: V/ G2 X0 w) A& Y* p# J( C9 {; n/ _
topicStr = SysAllocString((WCHAR *) L"system");1 p; u) M; l( e1 k5 }
VariantInit(&requestVariant[1]);
) E4 q+ B4 }/ X4 q requestVariant[1].vt = VT_BSTR;
1 k$ O% d- c1 K: s- L& X. C } requestVariant[1].bstrVal = topicStr;
0 N3 ^+ \) o e5 m
3 }3 {3 K4 R3 R3 ~* B// Set the DISPPARAMS structure that holds the variant.$ L# d% b s4 G3 T9 `; g5 z
8 U# `) u) f: c* a1 W4 w, C' Z8 X6 q dp2.rgvarg = requestVariant;
$ p* d1 y! j0 A dp2.cArgs = 2;
B- u' B& G1 z4 N# S, ? dp2.rgdispidNamedArgs = NULL;
( p/ i! D6 W2 S# L5 l5 l$ G dp2.cNamedArgs = 0;
' o: v1 G8 F' y
: U; P% W6 w; G9 j$ _; X var.vt = VT_EMPTY;
+ v3 A$ e @7 V( E8 |# n3 c& } u* S; x6 h3 j
// Call IDispatch::Invoke()
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- o* j2 r9 T( s1 Q! W; m3 R hr = m_pDisp->Invoke(
2 f- h, K) J8 h1 r( s6 E requestID,' q6 x7 M# b$ N5 e
IID_NULL,
- I' B6 R* h% t1 @* L& l LOCALE_SYSTEM_DEFAULT,
; ]6 m3 K* B ]! F h, j DISPATCH_METHOD,
& g: b0 @9 s" _ B! A/ y; h3 q4 I3 E7 P0 ^ &dp2,
/ v. j# O! L8 G( u' J6 @ &var,
3 ^, _9 o. X+ s- J &ei,! y& i8 ~$ G7 X
&uiErr);
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SysFreeString(topicStr);6 @# i+ @/ d, Y; S
SysFreeString(itemStr);
: m; T0 U5 P$ r$ j8 B6 K请问该程序是获得extend里面的哪个值?
4 p2 F+ U+ U" J0 H" I: e9 q! B8 j: c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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