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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 |! M3 t! i5 v% V8 r3 |: \( y
Name = (WCHAR *) L"Poke";! ~, F0 K! \# `# ~/ {+ |
6 Y1 B0 e B" M% Y3 j hr = m_pDisp->GetIDsOfNames (7 Y9 m3 B8 F. C: o* K5 Q
IID_NULL, // reserved
% @% N/ V+ z% w) }* ~ &Name, // Array of names to get IDs for
; m+ @5 S J1 p& W/ u: ~6 I9 { 1, // # of names in the array
) D, T8 q2 C1 h- V$ v _# T LOCALE_SYSTEM_DEFAULT, // System locale6 l# b* I& A5 g- d; {$ x5 I
&pokeID); // Array of IDs to fill on output K& H; o& z e8 F" x8 o* [7 Z
3 _, n9 R& W2 S u" g8 P if (hr)( s9 }4 z4 l& Y; m2 p
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MessageBox ("Get Poke Unsuccessful");; k: K- B; M) a# d
return;
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5 t# m1 k8 x1 B x/**************************传递数据给extend**************************************/$ g F. q' e/ j6 D4 h, q5 \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 J4 l2 O* F' B {% l t
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valueStr = SysAllocString((WCHAR *) L"1232");
% p [, }0 J0 v) Y7 \6 B3 H7 n/ j VariantInit(&pokeVariant[0]);
# }; U; \# o; b pokeVariant[0].vt = VT_BSTR;
0 k/ V' W* `: ^/ Q8 j1 t3 Q pokeVariant[0].bstrVal = valueStr;- }1 W( p" W; c3 F
# b: ?( T6 U5 W7 C' E" e itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( H) A% i) Y! z
VariantInit(&pokeVariant[1]); , f' k4 E8 g. e; e$ F
pokeVariant[1].vt = VT_BSTR;
- j; s' ]! T7 n! q# B. O pokeVariant[1].bstrVal = itemStr;( b# r' m6 Y0 |/ }
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topicStr = SysAllocString((WCHAR *) L"system");
j9 Y, [& m ?7 z6 s) M VariantInit(&pokeVariant[2]);
, v" v: s: H4 ?! a pokeVariant[2].vt = VT_BSTR;
8 w& g, W ?% L* A1 f( ?( c pokeVariant[2].bstrVal = topicStr;$ j4 B8 M/ e& i4 L6 M+ J. o- s
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// Set the DISPPARAMS structure that holds the variant.
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, b, z7 Q6 l0 s dp.rgvarg = pokeVariant;3 b: X9 N( V& b: c- [7 ~
dp.cArgs = 3;
) q6 }; i* f& }) \" o, G dp.rgdispidNamedArgs = NULL;- \( O/ M! l/ Q n# }
dp.cNamedArgs = 0;8 m8 a. M2 d9 P/ Q3 }
$ q3 ^( D; S% M- X1 u' |# m& B6 w// Call IDispatch::Invoke() F n: E! v& t' T
+ R; Q1 Z1 c/ @& G/ {
hr = m_pDisp->Invoke(
% @) y- G8 {& E; H+ X pokeID,5 S- p- _' h) }
IID_NULL," F) Q1 T, y' R! B3 m& {
LOCALE_SYSTEM_DEFAULT," `% U& q% L$ j& m9 i; ^/ d# w4 m
DISPATCH_METHOD,* n7 S0 [/ p, p% i* K5 a7 o; I3 v
&dp,8 n, M# V0 ]- f4 C
NULL," V" a/ s6 U, H; w) h
&ei,3 Y. f6 B' x: L/ a) [; C
&uiErr);
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! Z9 ` P8 u# [# o; N0 t3 ] SysFreeString(topicStr);" g1 C+ K+ [: u: B: p9 ?
SysFreeString(itemStr);" G2 N9 G" z3 E! _6 \
SysFreeString(valueStr);
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9 q s+ A* C Q* y, V: b6 e" x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???* y/ t1 f# A0 F
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) F; q( v' S B! Q! r, C0 P
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
: G4 S3 O" L( @. G# |' \4 b// type flag to indicate the fact that this variant holds a BSTR. Place the D4 a- O1 F6 D' y
// BSTR into the variant structure.
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& A+ B3 U" P9 M! y5 K6 g: ?# d requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);9 A2 Z8 O/ _0 Y% r1 u
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- V# H. D/ z/ K, k6 \ {
VariantInit(&requestVariant[0]); $ A" r" v; j; Q/ Z$ a
requestVariant[0].vt = VT_BSTR;0 S6 Q0 d- d1 S0 c, }, h
requestVariant[0].bstrVal = itemStr;
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* U( ?6 K0 ?; {) K: o# U topicStr = SysAllocString((WCHAR *) L"system");
4 K* }! `6 [# L, j VariantInit(&requestVariant[1]);
4 w# I; d% p! ?; Y; c- b requestVariant[1].vt = VT_BSTR;: X' E5 V; ~0 G# x
requestVariant[1].bstrVal = topicStr;
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' W8 [9 b7 M! t// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
, `/ i" ?% Z- d, v dp2.cArgs = 2;
# [( u n ?! o+ U! o; w5 u+ e5 J dp2.rgdispidNamedArgs = NULL;
8 [6 g1 x; j8 o/ @' H dp2.cNamedArgs = 0;& S% w m) Z; t2 E' t
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var.vt = VT_EMPTY;6 [# e& g1 n; N' ?/ v+ ^. E
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// Call IDispatch::Invoke()
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: P1 N$ K/ g R( F/ U hr = m_pDisp->Invoke(. e- Y. M8 t3 \8 V! E
requestID,
7 ~$ G) V$ i4 v IID_NULL,
# ]$ M- t1 `7 i4 _% N LOCALE_SYSTEM_DEFAULT,) p, c0 w3 _- o# a0 w# [) h! ]
DISPATCH_METHOD,- s+ q# w2 i2 W ^4 P+ ]% |
&dp2,, I4 D. d+ I# n/ \+ Q! ^
&var,
$ r" C6 ~, T% A7 z# m &ei,' Z& h3 H+ O9 C4 Y
&uiErr);
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; B$ s" J2 F9 D, X# W; U1 w( C' V SysFreeString(topicStr);
" a1 O& k" W% _ _9 F: l SysFreeString(itemStr);
3 S, D- d+ W5 e" y2 ^请问该程序是获得extend里面的哪个值?
# S, U* y- P; z3 x5 k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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