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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:
) o; M {0 C; ]Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (9 n& F K* X5 h2 o: d( Z
IID_NULL, // reserved
0 p/ k9 Q' y6 d6 V &Name, // Array of names to get IDs for
+ {6 v- m+ p; k4 a# _4 U4 ~ 1, // # of names in the array) J. R, P9 P7 G5 J" ~0 f% A
LOCALE_SYSTEM_DEFAULT, // System locale
1 K- G% h3 q/ a8 `$ u/ F& h9 u &pokeID); // Array of IDs to fill on output- D/ P5 x3 f( e" a
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if (hr)
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MessageBox ("Get Poke Unsuccessful");/ D! j' x! \+ G& i
return;
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- s/ h, i$ ?0 \+ ?/**************************传递数据给extend**************************************/: i0 M( v! Y7 Z& E, X0 a7 H
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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: g U& b2 P4 T9 x* k1 H' F valueStr = SysAllocString((WCHAR *) L"1232");5 ~; n: R- F. z9 d n
VariantInit(&pokeVariant[0]);
4 |& p# U/ r3 e2 y pokeVariant[0].vt = VT_BSTR;
" f( w3 L. a( E pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, |/ i8 a+ \) h: c0 t VariantInit(&pokeVariant[1]);
$ w! \7 e7 `' f, x I/ ^; s" G pokeVariant[1].vt = VT_BSTR;
$ f" p( I/ d$ o- H& ] pokeVariant[1].bstrVal = itemStr;
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4 t* X) L6 w; d" X) n" U! n, ^ topicStr = SysAllocString((WCHAR *) L"system");+ e7 z4 @, ^. Q$ D! r
VariantInit(&pokeVariant[2]); 4 V+ s4 i4 F) T: x' l" g
pokeVariant[2].vt = VT_BSTR;
* v8 l9 a. X6 x1 e/ k% V Q6 Y" c pokeVariant[2].bstrVal = topicStr;" S8 O" s G2 b/ w2 l. I" P
) {6 {' w& B: ~. Q( p// Set the DISPPARAMS structure that holds the variant.& y7 \5 C9 W0 L ^: @& g
, \' K' u, u* a. T4 K4 q dp.rgvarg = pokeVariant;% {, i# u, ~( H7 K. P9 X
dp.cArgs = 3;7 j1 V+ T' S! b/ y2 L+ }
dp.rgdispidNamedArgs = NULL;7 l2 d9 t: q' w' j6 l' e
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()" h/ a6 _4 w' }9 Q: e2 I
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hr = m_pDisp->Invoke(' X1 L. N; T5 i2 {" q2 X ]& @
pokeID,
1 E* u4 s2 |0 k$ \8 \7 b IID_NULL,# d4 q; H9 R# S
LOCALE_SYSTEM_DEFAULT,
5 w% r Y5 X6 W0 h) ^$ Z DISPATCH_METHOD,
, \+ D3 Y7 Z% o0 p; O6 L &dp,% b. i5 G5 V# O6 q; K
NULL,
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&uiErr);; m% p1 y- q% h3 |
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SysFreeString(topicStr);
: K2 K/ X5 t0 Q1 E/ I! T SysFreeString(itemStr);
8 q( ?, d, L/ q _+ T SysFreeString(valueStr);
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! V, J$ y: B) i( e2 q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???: d* ~2 d, h8 W7 l) U
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????# i* l: ]" }3 t' R+ s& q: K
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2.这是request的程序
6 q( a: J5 m0 U/ x( [// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
5 O& }0 Q1 _; _) Q6 |4 b// type flag to indicate the fact that this variant holds a BSTR. Place the
; Z6 C) Q. ^. L; L; M// BSTR into the variant structure.
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$ k0 R& b1 Y, ]& B requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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# ?' f( p" o2 x. K; R# g5 Y' i itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" y7 v% Z' R+ L( J B
VariantInit(&requestVariant[0]);
7 ^! c6 K, N& p, n( _2 l* s requestVariant[0].vt = VT_BSTR;
0 q- S ^# U2 `" d" [) A9 P requestVariant[0].bstrVal = itemStr;+ n( V- j R/ K u; ?% C7 |
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topicStr = SysAllocString((WCHAR *) L"system");
4 {+ u8 d/ u3 x; ]5 o8 j VariantInit(&requestVariant[1]);
6 ?* D# ~! S, } requestVariant[1].vt = VT_BSTR;2 o+ _+ R* W" q* V4 V% b3 W6 l6 W
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.1 z' P) |1 f) K- O, W: [3 d
5 b( h, s ~$ S5 B) o) v dp2.rgvarg = requestVariant;9 M' r- {% V% q! w" R
dp2.cArgs = 2;
' h3 Q+ W: Y" \ dp2.rgdispidNamedArgs = NULL;& X$ p9 Q' S5 j5 o
dp2.cNamedArgs = 0;0 g: x6 l# C, L' w) C+ D
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()) M* P6 z6 v* x |. _" }7 Q: W* K/ e
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hr = m_pDisp->Invoke(+ n5 C7 t* |! g2 _3 _" y' R0 b" Q
requestID,. k: P7 r6 o+ x4 C
IID_NULL,
2 p U- G$ N9 A" c& t LOCALE_SYSTEM_DEFAULT,/ `# W! C; F3 V" n' Y5 K' R
DISPATCH_METHOD,
^2 z* a7 \' g: S# T9 v &dp2,* O" M- M$ n& ]4 ?7 v8 D/ u) u9 e
&var,2 D; p0 Y) V/ X+ V3 P' r
&ei,
) d( h1 [4 r5 A& E4 m0 ~$ ` &uiErr);
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SysFreeString(topicStr);3 m) ?9 A) I. s0 g u
SysFreeString(itemStr);
$ r, V, |; X1 c$ J& l请问该程序是获得extend里面的哪个值?! i J9 N2 v m1 a1 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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