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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:, Q5 |% b( T+ `! B8 n
Name = (WCHAR *) L"Poke";, W/ {9 m8 m3 e4 |# P: {3 B
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hr = m_pDisp->GetIDsOfNames (
4 q9 F3 c- }! s+ t! N IID_NULL, // reserved
3 T2 V- N4 L' E2 }8 U &Name, // Array of names to get IDs for
4 Q4 i7 d! l, |& Q# H 1, // # of names in the array, q. L% W3 f2 [& g5 v: ^2 f
LOCALE_SYSTEM_DEFAULT, // System locale' ]) ]' L# \6 z+ h; t% P
&pokeID); // Array of IDs to fill on output! ?8 Y- |% j/ K h
& Y" A% ~" w' Q' D/ U b8 Y9 ~1 Q if (hr)
/ u* ~% F% M) v- @+ J {
7 r' ?8 |! U( D MessageBox ("Get Poke Unsuccessful");" g: ^2 @1 r$ g+ O( q( b
return;
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/**************************传递数据给extend**************************************/
0 Q, r: q/ C" T5 @ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
& D5 V3 @) P1 @ 9 ?, z3 ~6 A7 { X( |
valueStr = SysAllocString((WCHAR *) L"1232");5 t; r. c& B+ U
VariantInit(&pokeVariant[0]); 0 t' V$ r* x8 A$ Y; Z
pokeVariant[0].vt = VT_BSTR;* F$ e& l B( Y. P0 V
pokeVariant[0].bstrVal = valueStr;: m. f9 O7 q" ?- s
+ ]2 s1 y" N1 F6 L H! a. s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( Z! x% e. |) u+ w, J4 z0 P VariantInit(&pokeVariant[1]); 5 X* m3 ^% q) _
pokeVariant[1].vt = VT_BSTR;
) W8 n7 p, h$ b+ A pokeVariant[1].bstrVal = itemStr;6 a! {+ V5 W' }) C$ A
) ^7 K& j+ R h+ g! I {% u/ Z topicStr = SysAllocString((WCHAR *) L"system");& t& g/ W/ B7 D3 _3 c
VariantInit(&pokeVariant[2]); 7 R% R/ O% B# B, ]" a
pokeVariant[2].vt = VT_BSTR;
p5 x5 ~4 p0 u1 W# X% H) q pokeVariant[2].bstrVal = topicStr;
/ {- @/ a9 Q. L# N- V, H: c+ y, Q
4 W9 v# p! D! o1 T1 @// Set the DISPPARAMS structure that holds the variant.
/ ]! n3 a% t+ A a6 \& \
. p5 C9 R- i: \% Z/ u- `% I( R dp.rgvarg = pokeVariant;
/ T9 N1 b! L/ ~. d dp.cArgs = 3;5 O9 @+ C( f1 J& @; [
dp.rgdispidNamedArgs = NULL;3 D _) T" z: f! s: O" o3 _: q) ^
dp.cNamedArgs = 0;
2 L+ V# O, s0 g9 P; R
3 s7 G# m+ T7 x// Call IDispatch::Invoke()" t9 T! U, U5 G% @% Z8 w3 A* _
* H! }1 v' R$ {2 j; y hr = m_pDisp->Invoke(
- T1 x# I& b8 d4 U, r pokeID,
. ^ e9 r! W$ f7 |" O IID_NULL,, b k" `3 Y1 R m* R8 U% k
LOCALE_SYSTEM_DEFAULT,+ T. C" M4 l4 e0 `( C, ~2 d
DISPATCH_METHOD,2 ?$ }! l6 U: m! X: ?: x# p
&dp,
0 ~7 r6 j% w6 r; @ NULL,, F+ } d' a# I" W
&ei,+ q7 w4 r0 ]: A9 C( S9 W
&uiErr);/ n1 r$ F8 Y" x3 W' s
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SysFreeString(topicStr);6 T4 K/ R- Q. [/ ]
SysFreeString(itemStr);
+ F) f% U3 L$ q SysFreeString(valueStr);" y: u7 t# Q# E7 {0 o3 R
- R8 V. {) X7 y* 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???3 j4 a( l9 K) W4 x7 v
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????8 \6 t! R5 Z y' m' e3 {3 m
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* p/ j, ^+ ]: A3 S w6 k0 k j0 n) t2.这是request的程序
0 ?$ h' d/ x |" M& y# |+ ~: x" J// Request a value from Extend
" j; ^" q$ w3 @9 L8 x7 r6 H//, Z+ X: d9 g5 ]: B% h
// Initialize the variant that will hold the BSTR. Set the variant's
$ N0 u5 O3 z0 P: X4 u) z; b* x& R// type flag to indicate the fact that this variant holds a BSTR. Place the9 A; } w M, v$ q2 m1 Y$ k1 Y1 _, c
// BSTR into the variant structure.
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; b% y: x2 P: u+ A" f4 s requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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$ B, w/ |1 u0 N+ l/ c% w0 X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 m4 A# u9 D& N& ~3 k6 @( W
VariantInit(&requestVariant[0]); ) l' H2 u6 Q2 x' k* _# U8 m6 S2 b# U3 J
requestVariant[0].vt = VT_BSTR;( s6 ]. ?. F& i+ e' z( w
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
: {9 r- Y, a! u7 @ VariantInit(&requestVariant[1]);
v+ z+ O: v3 n8 w( M5 b' {+ O" h requestVariant[1].vt = VT_BSTR;
% t m( |! K9 Y requestVariant[1].bstrVal = topicStr;
6 ]+ }' L& I2 l& [) t' ?
% t' u* }$ N: k( d# y1 j// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
# L g* s7 z3 N- d+ [# f& a- W dp2.cArgs = 2;
c+ n. c+ B+ ?: t. i l dp2.rgdispidNamedArgs = NULL;7 L# o: E4 O& P( T
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;8 K# P6 S- N8 d
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// Call IDispatch::Invoke()1 ]: p+ ?- Y d1 ~8 O7 N
- E1 H# F, ?0 n% l( l! G. c1 ? hr = m_pDisp->Invoke(4 I, |4 C: K. z w' L$ Z: f, t
requestID,
; P, _6 E! O, f) a9 A4 D7 Q IID_NULL,
1 K; K8 [; B X* J LOCALE_SYSTEM_DEFAULT,
9 V) I6 T* ?% I2 G" k DISPATCH_METHOD,
2 J' y8 o& v) \8 I &dp2,2 m# ~7 w2 l& h% ^0 x# A
&var,
: T6 L: x4 n- ~0 W( ?# D H2 Y: k5 Q) I &ei,
) e7 i. h3 h8 o5 E$ s/ w &uiErr);
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5 i" P& x: K5 M V( S SysFreeString(topicStr);9 [0 H& ?' {" t, V8 D& R
SysFreeString(itemStr);6 k. S+ x! ^# Y$ o. z
请问该程序是获得extend里面的哪个值?! Y5 O$ l* R' o" t" s2 Y. D
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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