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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:
4 {: \9 s t% WName = (WCHAR *) L"Poke";
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5 I3 A+ |" i' ?: v* X4 {0 c2 H- y hr = m_pDisp->GetIDsOfNames ( O4 i. N$ j* W& ^, K& a
IID_NULL, // reserved1 H3 o7 J' | V# G1 v! @
&Name, // Array of names to get IDs for
" i9 v D- X$ A6 F- y( Q 1, // # of names in the array
- `5 [( L( i' L( o4 L LOCALE_SYSTEM_DEFAULT, // System locale
/ C1 j3 R3 K/ x$ r( b: e3 m/ g &pokeID); // Array of IDs to fill on output/ p' y8 v" j9 g+ e0 F9 m
Z+ w* w- @$ Z+ l
if (hr)& @% o z/ F. c* _
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MessageBox ("Get Poke Unsuccessful");
1 ]; c j! C; R. ~% l return;( z+ A9 K. T0 m! Z3 Z" l
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: y' M- `8 b8 W) M' X/**************************传递数据给extend**************************************/
# Z) k8 @) z& A& R pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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, i5 U. S5 x: h% ~ P+ ^ valueStr = SysAllocString((WCHAR *) L"1232");$ _0 O M) t1 }
VariantInit(&pokeVariant[0]);
7 I/ c1 o# \8 o% Y8 h% c pokeVariant[0].vt = VT_BSTR;& |9 @/ P! L) y' @6 t: z3 S5 J
pokeVariant[0].bstrVal = valueStr;% y! N% I# h( M" m
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 l% Z& k5 F& f6 F
VariantInit(&pokeVariant[1]);
+ k) N- ]& F/ o9 b+ l pokeVariant[1].vt = VT_BSTR;+ \# C3 T, h5 X: [: v
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
& ~0 a' y4 }8 _ ]6 f6 k# O VariantInit(&pokeVariant[2]); 7 ]# j$ P8 K. i- ^2 D
pokeVariant[2].vt = VT_BSTR;7 ]' T& C! {5 c' t9 S) r# _: B
pokeVariant[2].bstrVal = topicStr;
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2 }+ Z& _0 q% v: V3 W" h7 F6 l// Set the DISPPARAMS structure that holds the variant.
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7 ]: a+ q: Q; i1 C. V+ W dp.rgvarg = pokeVariant;/ s* x, F' ?: ]2 ~; {, ^! ^
dp.cArgs = 3;, V& p8 F8 B7 T: s; w% `4 P
dp.rgdispidNamedArgs = NULL;' e7 {0 m# R. O7 {2 k
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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8 }0 v- _) x, w. X* t8 f; r& m hr = m_pDisp->Invoke(2 w# [7 z) E) u3 f8 i- Y
pokeID,) @3 b" s3 a# [0 e' v# P& I. u/ E
IID_NULL,! B' s+ h4 `4 }* I# d, U
LOCALE_SYSTEM_DEFAULT,& P; y$ w. x: U I" w& N/ v
DISPATCH_METHOD,
% J/ _7 f9 d3 @ &dp,6 I9 a2 ^# y! ]5 ~3 M; o
NULL,
+ e4 | K5 T# D% v. a6 K &ei,
$ [4 W7 }. v3 x& v' K, R &uiErr);( ^1 m4 |, W. l3 t, a4 S. e
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SysFreeString(topicStr);! h; K$ {; F0 y
SysFreeString(itemStr);
" R& H+ u9 p* Q" P' L/ c% h h SysFreeString(valueStr);: J/ L. I O5 K9 e
8 Q, D1 D* X" N) n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???
2 ~, \6 w1 C. a% j4 M' b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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; V: q% n9 z4 G! {) q& S' b! l. f, V2.这是request的程序9 a2 l( v: z# \8 I) [
// Request a value from Extend4 L) b e8 k2 R) C
//) l4 Q6 ^. p) V: O8 b f
// Initialize the variant that will hold the BSTR. Set the variant's
" d- R$ d. `# F. t5 p* ^9 K// type flag to indicate the fact that this variant holds a BSTR. Place the ]/ p) U8 A" m- ^6 c W# R7 b: b1 Z
// BSTR into the variant structure.! C: x# B, f* A3 o4 ~2 W
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);6 V) h4 ~! |- j" p: m1 C$ G: m3 i
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 k1 k. j8 E% X0 f
VariantInit(&requestVariant[0]); + F, |6 O2 c; u
requestVariant[0].vt = VT_BSTR;
0 m* ^* F1 v$ K! e. f/ H; J requestVariant[0].bstrVal = itemStr;
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) U. h! F- q9 N7 \: J. s topicStr = SysAllocString((WCHAR *) L"system");
`5 }! J2 B% F3 \# t VariantInit(&requestVariant[1]); ; ~% m, L+ D8 \2 }+ H: X
requestVariant[1].vt = VT_BSTR;' E! |' l! w( X# H% g
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
( ]- E: |& m9 f) i P+ [" r7 h* n dp2.cArgs = 2;
! u U4 f' M. S3 W1 ? O dp2.rgdispidNamedArgs = NULL;
( |7 Y& P2 a/ p+ E! i9 ]6 S3 [7 r dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY; r, |/ s! k9 {9 D1 C- v# r
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// Call IDispatch::Invoke()( `0 t7 M. u ?% q6 k
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hr = m_pDisp->Invoke(
) h& M3 ^, `; B. a7 q7 v requestID,% f7 P7 j2 y7 k- k% V; i
IID_NULL,7 s% j; g [1 E& O7 p+ W
LOCALE_SYSTEM_DEFAULT,/ v6 ]' P# }) U
DISPATCH_METHOD,
4 O: M: ]8 R, `" G0 h) _' R' \ &dp2,
5 I, M9 c7 `7 ?4 [+ j$ r$ a &var,( D3 l; D' X( t) }7 g
&ei,+ d- a( v3 H' a$ q* ~: d
&uiErr);$ P, b) Y9 l, j" {) i
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SysFreeString(topicStr);
: Z0 w, o7 g. u# J. e$ x6 y5 ~2 D) \( i SysFreeString(itemStr);
' |3 a: {+ N U请问该程序是获得extend里面的哪个值?- S9 ~2 f1 Z0 b% \
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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