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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 C9 x8 ]. L( U1 }6 lName = (WCHAR *) L"Poke";5 x. o4 z) n0 G/ M
6 R" ]( G; U. }/ `7 D hr = m_pDisp->GetIDsOfNames (
) \" p5 r" Z% w$ x7 v! [) L IID_NULL, // reserved$ [8 g6 S- A! q+ O/ q5 B, J
&Name, // Array of names to get IDs for- ^, _: B# a# s5 [: Q
1, // # of names in the array8 z Y( c* t( b* a
LOCALE_SYSTEM_DEFAULT, // System locale* r% X% V6 z+ X. @9 N9 f+ X
&pokeID); // Array of IDs to fill on output
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, {6 G" e3 G; t% f if (hr)6 k0 {; L* c7 o% k6 ]* d
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MessageBox ("Get Poke Unsuccessful");
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1 h! |' V- h1 G U. D/**************************传递数据给extend**************************************/
6 W( P$ p# d8 J pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");/ E2 E, F( R9 j
VariantInit(&pokeVariant[0]); 9 h; C/ m" T5 D4 \
pokeVariant[0].vt = VT_BSTR;
/ t& }! D) m/ L8 u+ Z0 _' s pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. n: W6 T) |0 N; }2 y9 c
VariantInit(&pokeVariant[1]); ' I y/ r0 A- c+ P
pokeVariant[1].vt = VT_BSTR;
4 N4 j- _3 G# o9 I s pokeVariant[1].bstrVal = itemStr; ^. C8 g1 H/ B+ _+ d- @3 {7 Z
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topicStr = SysAllocString((WCHAR *) L"system");$ X8 p" x* | ^ t( u
VariantInit(&pokeVariant[2]); 5 T8 q0 q; {+ w8 |( |$ E
pokeVariant[2].vt = VT_BSTR;; ?9 b* J0 a' V6 ~* e% [9 F
pokeVariant[2].bstrVal = topicStr;
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2 D9 P# J% c. e# J// Set the DISPPARAMS structure that holds the variant.& _# ?2 l( G+ q
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dp.rgvarg = pokeVariant;' V$ H2 H3 ^6 d/ x% k0 }
dp.cArgs = 3;4 L5 S% j, M: J& k
dp.rgdispidNamedArgs = NULL;9 g" b6 X6 q$ C* q& t5 S3 `. s5 x
dp.cNamedArgs = 0;) i" k' j- A9 ~- e, }: j
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// Call IDispatch::Invoke()8 q+ C4 K4 }5 I" J) L& w$ C
% x/ K& I. Z I7 T* g1 u hr = m_pDisp->Invoke(! y* S) B4 C @. U x h. d: o% c, m
pokeID,2 C* O$ Q, h7 C- T7 O
IID_NULL,
/ q! T. a; n& L8 z4 a4 B+ g+ H' y LOCALE_SYSTEM_DEFAULT,1 l0 ^; y) ^* X3 c* P2 J3 d
DISPATCH_METHOD,$ B+ v$ i4 k9 X. }3 L, P6 ~6 C/ |) ~
&dp,
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&ei,6 f0 n3 t6 w; ?* X# V5 ^5 C
&uiErr);' Z, B; L3 N" c
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SysFreeString(topicStr);; V- Q7 }4 r5 M9 q
SysFreeString(itemStr);7 C( b) @; U7 P( D* C1 N
SysFreeString(valueStr);
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* s* ?. H# c2 h* D' R! `; f2 z) t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???) E, i( Z* p: q- O- R4 i" d
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- S/ E8 L1 c# Q
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
8 l* r$ H# ~; X" C! d// type flag to indicate the fact that this variant holds a BSTR. Place the
% }8 R$ u" c0 o0 T/ d& [5 `// BSTR into the variant structure., V/ j- ~0 U# P) ~
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( c0 p ^5 `& [7 e3 j VariantInit(&requestVariant[0]); ' [3 E6 D9 [5 g5 q3 x2 @3 G; z v
requestVariant[0].vt = VT_BSTR;
/ ~' K5 s) W3 P3 ]; b8 ~ requestVariant[0].bstrVal = itemStr;
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0 r4 B" C3 ?, d; j topicStr = SysAllocString((WCHAR *) L"system");& h9 [4 q! v) a5 x: X
VariantInit(&requestVariant[1]);
* `' T) R9 K2 L( k, A: {0 f requestVariant[1].vt = VT_BSTR;
: x! Y; V) S0 n& p) {5 n* T# K5 G: X requestVariant[1].bstrVal = topicStr;9 q# o/ l3 \2 k2 g
, [# g! p/ H) `// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;# }2 p' j+ o* O; O5 n
dp2.cArgs = 2;
0 R8 j" v+ ~+ G% u- Q5 p0 B dp2.rgdispidNamedArgs = NULL;- S o) o1 g1 ~, _# i5 n
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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0 o5 `8 q, t, q( _ hr = m_pDisp->Invoke(0 X! a+ Q8 y! m9 }
requestID,8 c) u! |8 j e6 t0 P5 I4 E
IID_NULL, I, E9 o2 t1 i; ~
LOCALE_SYSTEM_DEFAULT,
: ]/ w p) Y; p$ w DISPATCH_METHOD,
& ~3 I8 M/ t5 K+ P* @8 K &dp2,; g8 F& F" O! o4 s% t9 L9 X
&var,
1 A1 g- {7 s5 {! B) ^! _) d/ O) S &ei,. V5 M& F1 \3 d$ X2 w9 o1 A
&uiErr);) v( ]( Q9 R! {6 K* G \1 m9 e
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SysFreeString(topicStr);+ H5 b( o0 Z) g6 L6 @: J7 p& Y
SysFreeString(itemStr);
3 T, J2 N- ]/ }请问该程序是获得extend里面的哪个值?( G' P! w: G) U5 W0 h) O( P
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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