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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:0 f2 K9 ^. _6 S: b6 x @
Name = (WCHAR *) L"Poke";2 Y( M5 K' o! [
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hr = m_pDisp->GetIDsOfNames (4 m- z. A5 t, m( Z8 j* F. p4 Q
IID_NULL, // reserved& k: ^! L% q( Z" l5 o' f
&Name, // Array of names to get IDs for
% P1 k6 q( E% Q4 e0 \( O8 b8 w$ V 1, // # of names in the array9 O7 u) z! V; J+ G% R
LOCALE_SYSTEM_DEFAULT, // System locale
" y9 m& I4 Q9 I1 i/ A &pokeID); // Array of IDs to fill on output
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if (hr)) B& |) V6 e, b6 A6 q0 H; G% S/ `- q
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MessageBox ("Get Poke Unsuccessful");
$ w2 }; {0 d5 w2 w2 i0 F return;
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/**************************传递数据给extend**************************************/# {4 E5 L/ `- p$ b; W
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. Z( _: M7 W' o/ e& ~+ h- K
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valueStr = SysAllocString((WCHAR *) L"1232");
) Q: W+ m: y9 g+ }+ h VariantInit(&pokeVariant[0]); 2 X7 }9 ~/ s+ {1 v8 j, k$ A5 q
pokeVariant[0].vt = VT_BSTR;
- |0 t. H# F$ R pokeVariant[0].bstrVal = valueStr;
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- M# x9 y% p0 U% N8 R% b itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ Y, K( w0 {0 z* P9 i& R
VariantInit(&pokeVariant[1]); ; @) l P& N- {7 I- ^$ L
pokeVariant[1].vt = VT_BSTR;1 a& G; H/ R$ c4 O
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
5 _( n$ X( v2 ]7 m+ a k' R VariantInit(&pokeVariant[2]);
/ n. o5 K' P O$ |9 D' S pokeVariant[2].vt = VT_BSTR;
4 H3 N( i9 R1 [4 `0 N7 Z2 T6 d3 C pokeVariant[2].bstrVal = topicStr;' i% e+ s0 P o: B: V3 i$ m
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// Set the DISPPARAMS structure that holds the variant.3 K" N. x; l7 T+ E J, B2 H6 z
, q; a& S R) k7 d4 T: T0 N9 Z dp.rgvarg = pokeVariant;
4 ~1 ?+ e2 `/ i9 x dp.cArgs = 3;& d: P; F4 a; Q! l u
dp.rgdispidNamedArgs = NULL;. E: G$ M8 T7 U. a, p( l5 e+ B
dp.cNamedArgs = 0;
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% ?1 r% ~2 [' i( T: o$ I5 _// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
C; s8 L8 H% W/ {- X pokeID,
, k& O* z( y& \# A; e6 @ IID_NULL,6 R2 B" M6 e$ _
LOCALE_SYSTEM_DEFAULT,
6 |+ Q" u+ _4 P1 T DISPATCH_METHOD,! O6 B x* g- E: ]- b* w ]
&dp,
5 {1 m; t: V! I; ]3 Y% T NULL,4 \( Y4 v6 e8 e0 K
&ei,+ h8 M. O% `# m) D
&uiErr);6 D7 I3 O1 g) i5 w3 i6 r" \) A
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SysFreeString(topicStr);# v2 v6 G- I. R
SysFreeString(itemStr);
" [% e! x6 l V4 [ SysFreeString(valueStr);
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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???
, A+ `& Y& e* v, t5 j% 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
, ^& {- Q0 T7 g1 f: p// Request a value from Extend0 ?0 p" p+ y: n& v+ Y) O
//
+ a9 x2 L% T4 ^ R) W0 `' d// Initialize the variant that will hold the BSTR. Set the variant's- b Q- x6 {" O4 K
// type flag to indicate the fact that this variant holds a BSTR. Place the6 g, Z% P P! F1 ]4 m+ p" p3 J1 U
// BSTR into the variant structure.7 G3 g% l: k: o' B% E. S% I, D
* Q% Z5 f. X5 m7 n+ H7 P: q& w$ G requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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! p3 H- X; J8 m* c# L8 E3 Q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* v7 H e$ _, H
VariantInit(&requestVariant[0]); 0 }% o8 Q8 A. D7 O/ `) y# d- L
requestVariant[0].vt = VT_BSTR;
+ Z8 p0 Q0 c$ {5 C* r% U requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");$ ?* k9 o7 }8 g$ s" j' R: p
VariantInit(&requestVariant[1]);
. j+ P+ J/ d; M, t requestVariant[1].vt = VT_BSTR;
. r" L, x, y. G5 Y requestVariant[1].bstrVal = topicStr;$ ]8 `2 V' d& K, T; L7 b" @
) \( M8 y: G h0 u3 M// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
# O, R5 O. \/ g0 D. J- ^ dp2.cArgs = 2;! H9 b+ Y, b0 D: m' f
dp2.rgdispidNamedArgs = NULL;
% D" C/ E, r1 v% \+ g1 z dp2.cNamedArgs = 0;+ ^0 M1 h4 D/ ]# c$ }6 r
P" v" j' e% k, A4 ]1 |- c var.vt = VT_EMPTY;( Y; Q; `. |7 G) S5 w0 X. M/ k
, {" G6 E! w3 T- x Z% I2 T; e// Call IDispatch::Invoke()- m% v$ ?" s% v' q" K+ _) v
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hr = m_pDisp->Invoke(
( p; F2 u0 o& B$ `/ F! s9 T: D% A requestID,
2 g4 J h7 ~+ l) T$ b9 j% _ IID_NULL,9 B% v9 `- k1 Z+ U
LOCALE_SYSTEM_DEFAULT,/ a- F8 f4 v7 D6 x. a% u8 r, N
DISPATCH_METHOD,! _2 ]: ]+ h* G5 S7 |. r8 m w+ V
&dp2,
% q- @% Z) L- f- ] &var,3 M6 }9 [4 ^' ^) ]
&ei,
' m! H9 d+ M/ [6 N! [ &uiErr);4 A2 e3 R j( Y: M1 Y
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SysFreeString(topicStr);/ C7 G9 K; a& n0 n- k" L, L2 s
SysFreeString(itemStr);
3 N4 c6 F, Y4 c6 F请问该程序是获得extend里面的哪个值?' ~9 Z! o# d$ o- {0 l! q) ?9 o/ U! Y
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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