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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 b7 W: V: I/ q ?/ mName = (WCHAR *) L"Poke";( d* i9 C0 S9 r3 l4 e# [0 v
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hr = m_pDisp->GetIDsOfNames (
( y+ ^0 R7 F5 O; D8 m# d) j" O0 v IID_NULL, // reserved5 A7 `1 I3 i5 I1 Y7 G
&Name, // Array of names to get IDs for
0 \7 x! m" _% k/ f 1, // # of names in the array& K6 X3 }/ p H
LOCALE_SYSTEM_DEFAULT, // System locale k3 J5 F: N. P$ p
&pokeID); // Array of IDs to fill on output
! g( j. J0 b1 {( W& A. t
+ B+ z; Y/ `) q' u8 x if (hr)
" s V F& L) u9 b {
8 X. A( R. C i8 I3 y MessageBox ("Get Poke Unsuccessful");
2 Z' c5 m4 y* U) H return;
* X2 J. E2 i9 {" z7 d+ B# Y8 g* p }7 `( z7 ^. H' k- L( t+ a
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/**************************传递数据给extend**************************************/6 L/ p0 ]# ]6 z( \4 Q6 z U* g
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
" O N" @6 ?6 L$ t + m8 h. Y6 }( D. U
valueStr = SysAllocString((WCHAR *) L"1232");" ]9 \( u' D& @" A/ S- r# r# O; _
VariantInit(&pokeVariant[0]); ; K% _4 p% W) S, `/ W. O$ J& m
pokeVariant[0].vt = VT_BSTR;" L7 e2 h q8 ]2 \& |
pokeVariant[0].bstrVal = valueStr;
% i6 D# _& j* T( G1 q
2 ^% }% w+ m5 X4 r itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 J! s" u. P" g# T: k3 e N' ]
VariantInit(&pokeVariant[1]);
0 e7 W+ i) t, [& K) {7 g* T) v pokeVariant[1].vt = VT_BSTR;
1 H5 a }7 D" D7 h5 H3 b& l pokeVariant[1].bstrVal = itemStr;
+ s- U" W6 P! Z5 U) ^1 G# ?6 }
topicStr = SysAllocString((WCHAR *) L"system");
" A1 _- s' V. I( `, S VariantInit(&pokeVariant[2]); ' |2 M0 W( G0 ~+ c+ _/ F2 i
pokeVariant[2].vt = VT_BSTR;
O2 ~' z0 b% ~6 U1 W: ]* S) n pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
! s l* _5 F( v
4 C- m7 \3 X: R% K! A, s dp.rgvarg = pokeVariant;
3 q- j8 q2 E6 c4 ?( C dp.cArgs = 3;
$ ]( W: Y% P+ w+ z" e5 U9 h* q dp.rgdispidNamedArgs = NULL;
T' H# B" D2 j6 U2 F+ t dp.cNamedArgs = 0;
" ^: s3 m, Z( q) W/ d) J9 f3 B: S- b7 k8 V
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(; n$ d$ j# x5 S5 `* D3 M! q) c
pokeID,
, Y+ Q7 ] z$ t! x6 n; {+ \ IID_NULL,+ q, L, u, F- \ j0 r, M" g& a
LOCALE_SYSTEM_DEFAULT,3 H" E8 e- K4 l
DISPATCH_METHOD,
* z; @/ G9 v4 N( I: ~- ]+ |0 B &dp,
$ X: Z) e6 \- o) i% O, g2 |. r' i NULL,3 O& D: k& e5 f
&ei,! O/ O" ?1 c4 j
&uiErr);
$ M& q* O1 j* G9 j5 A5 c
( d2 J, [$ q4 c/ z SysFreeString(topicStr);
D& B9 W, y1 P4 \2 M SysFreeString(itemStr);0 L/ ^+ I) D, W+ Q8 X
SysFreeString(valueStr);
' o ?( m1 r% a) f4 Z# Y2 n3 y+ M( m1 b, t* O& O" ]% u0 @
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???
- l) ]6 f! W( i# ^, v) 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????% L4 b" s& {2 @4 D/ }2 Z" j; F, p; K
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2.这是request的程序% r8 m) b# B9 v0 N
// Request a value from Extend
8 a, W. z" G4 S' K/ ]: x3 T//. a0 Z' d, S! x+ {3 d6 L
// Initialize the variant that will hold the BSTR. Set the variant's
: O# a: Z3 _$ k# F8 C// type flag to indicate the fact that this variant holds a BSTR. Place the
+ W8 Y, X y) d7 J7 U, W N# {/ t// BSTR into the variant structure.9 X P l' B3 H6 ^
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
3 r6 A1 V- |# z' x$ {
1 i |. E5 o+ j% Z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& B& u+ O: b& j; y9 r VariantInit(&requestVariant[0]); ) V& q$ b; |8 C; R" H5 a/ j
requestVariant[0].vt = VT_BSTR;
5 H j5 I$ q( }# C requestVariant[0].bstrVal = itemStr;. K* O/ ^! {" G4 x# d
0 b/ j: G2 Q/ k- b topicStr = SysAllocString((WCHAR *) L"system");# K* t; _4 y/ V/ ^
VariantInit(&requestVariant[1]); J+ ^4 s" Z- S' f
requestVariant[1].vt = VT_BSTR;4 ?9 N% o* H( R0 \! t1 Q. C
requestVariant[1].bstrVal = topicStr;* E* m" u4 r6 ?* v
, f8 B7 j5 a, L0 w( h
// Set the DISPPARAMS structure that holds the variant.1 v- P) W; F7 b/ u
: b% s2 k* I' Z
dp2.rgvarg = requestVariant; q) n7 U6 L4 e# g- B2 t
dp2.cArgs = 2;
# }- {6 w# Y8 Y' c, u dp2.rgdispidNamedArgs = NULL;! _3 m0 k9 w) k3 ~8 w: @
dp2.cNamedArgs = 0;" [, N% f6 \% C
$ h! g6 g8 p1 u# t9 E+ e var.vt = VT_EMPTY;) d8 O; E9 y: x& `9 D
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// Call IDispatch::Invoke()( B6 D' t! S1 s1 x0 ~9 E0 ~
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hr = m_pDisp->Invoke() y& ?' d- U; x6 h7 _$ _
requestID,
! }" F8 p" E5 T' a* v6 m4 T IID_NULL,
& O* _& ~5 f* I0 w" ^ LOCALE_SYSTEM_DEFAULT,
A, F6 M) j1 u' v5 j0 _- ^ DISPATCH_METHOD,
4 h# c7 O0 ]# [: a &dp2,
% a/ s& o& B/ _ &var,
6 I5 _+ T3 S/ q$ r; C/ j &ei,
/ s# ~" j. d; ~. I &uiErr);8 o; v+ X* B: H* j# v: Z
8 b3 C' _& o$ p# Q e SysFreeString(topicStr);6 i L8 r+ z1 `' _# p. U; o
SysFreeString(itemStr);" X5 T) ]; C- ]) Y' v0 G& O. q# @8 i7 G
请问该程序是获得extend里面的哪个值?
9 ~% H3 C: e+ s& C4 r/ g8 ?% u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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