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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:
/ h" L, H5 H/ U( ]8 IName = (WCHAR *) L"Poke";# l5 j+ {4 ~5 x0 O. k7 K8 ?
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hr = m_pDisp->GetIDsOfNames (
* U" ?0 t0 _0 C$ G IID_NULL, // reserved
: p$ N u$ t N: l$ M &Name, // Array of names to get IDs for
3 ^; }( j V2 o' e6 u0 ] 1, // # of names in the array8 P+ ^! S) P+ J7 ?
LOCALE_SYSTEM_DEFAULT, // System locale
/ k( a: P( o! C |3 n2 G0 | g &pokeID); // Array of IDs to fill on output) ]6 p$ j: q, \
5 a* N) z6 p( z8 W0 d9 l) `: F if (hr)
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MessageBox ("Get Poke Unsuccessful");
) N1 m5 A* Z1 e( O* d* f return;
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. O/ n0 _ o% V% V0 K- j5 S/**************************传递数据给extend**************************************/8 q0 J3 d$ ]9 w" H- T
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 f0 [5 g) N8 L- c# ~1 J/ m2 H3 X
; b+ P- { h: G( w
valueStr = SysAllocString((WCHAR *) L"1232");+ |+ n8 `0 S* X1 i" x7 h- O5 q
VariantInit(&pokeVariant[0]); . B0 {# X$ U+ J) ]
pokeVariant[0].vt = VT_BSTR;
/ r0 l* P M2 I: ~) r pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 r, w* w( T' e- V" L VariantInit(&pokeVariant[1]); / S* d: F& r _
pokeVariant[1].vt = VT_BSTR;
$ I2 E, `. C# S" B8 f5 t% S pokeVariant[1].bstrVal = itemStr;9 A4 M- j; |" G. r7 S0 \
" L) Q( |7 A: x, {: v topicStr = SysAllocString((WCHAR *) L"system");" a! |7 N- [ m0 h* O6 W5 b/ a
VariantInit(&pokeVariant[2]);
" Q9 w4 ^* s; _" A pokeVariant[2].vt = VT_BSTR;
- F! d; M* F, D3 K pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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$ ]8 h8 O( F H* J dp.rgvarg = pokeVariant;
8 `8 N# }' k# c& F& A dp.cArgs = 3;! _: S' p/ }- o! H$ S* D, ^, d" g
dp.rgdispidNamedArgs = NULL;
. D7 `$ R+ ~; P8 B dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
; v, u1 b- v, @/ s& e( J( M8 q8 ?9 N pokeID,
' L% N) |: Q* u* K IID_NULL,. y+ ~! T$ x5 }6 c% C3 s5 d
LOCALE_SYSTEM_DEFAULT,8 K3 w( q. Q6 Y) e1 f& R
DISPATCH_METHOD,
6 o0 f: R7 d7 _: |. \3 d &dp,: `" Y+ g+ ]4 w4 [
NULL,( e7 l; q6 q% {
&ei,, [4 ?$ T! {$ w/ l- g" t- l% N- w
&uiErr);5 u) { L, g( d* \
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SysFreeString(topicStr);
, w% ^8 e; B/ _1 A- v, a8 h1 S SysFreeString(itemStr);
7 v& n5 J% M) P: ^/ K9 L6 S$ C* g SysFreeString(valueStr);
% |/ g& _# w0 V9 Z" S7 S# t* W' }+ S2 x, _) L: B
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???+ I7 t& {/ c2 R- P: t x& b2 `
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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+ f5 K4 e7 Y) \" h1 l; [& m
2.这是request的程序1 P5 [9 r' o% N0 |( M* g0 k
// Request a value from Extend9 Y* u0 s# m f
//2 M$ k0 u+ e+ G8 Q
// Initialize the variant that will hold the BSTR. Set the variant's
- }, z7 D) z4 K9 P2 \+ b// type flag to indicate the fact that this variant holds a BSTR. Place the J* X, r& t+ m* F a
// BSTR into the variant structure.
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4 J# G0 e: @4 _2 C requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);" a5 L2 q+ p# U" _! B$ b2 W
# `: K6 Q6 _) h, [' @/ _ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, ?: E2 I4 v: V
VariantInit(&requestVariant[0]);
. Z0 _# f; L) \9 N requestVariant[0].vt = VT_BSTR;
8 K- E& D* e/ } requestVariant[0].bstrVal = itemStr;
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: a5 R# `* Q/ p. J1 g5 J topicStr = SysAllocString((WCHAR *) L"system");4 K* {0 z9 L# r% a1 @) G
VariantInit(&requestVariant[1]); & v$ Q4 @/ E- W: T% a, w- B
requestVariant[1].vt = VT_BSTR;
; H% K- h( j9 V+ B6 q requestVariant[1].bstrVal = topicStr;1 h/ r4 e# j0 ]9 A- P" k4 }
7 C- t" T% s# I' ]// Set the DISPPARAMS structure that holds the variant.
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9 v+ P w5 F) J dp2.rgvarg = requestVariant;3 E% z) x2 |7 R8 X
dp2.cArgs = 2;& p" m- ^/ S' C
dp2.rgdispidNamedArgs = NULL;
6 C3 G: n6 Y* m! I* U dp2.cNamedArgs = 0;% U& _1 A$ L/ y, `' c0 x1 H) K
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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. ^+ O1 S9 r2 H' s) l hr = m_pDisp->Invoke(2 H0 w; Y- B7 T1 y* {2 E+ E
requestID,, O" V3 k/ z7 ?2 L
IID_NULL,
- q l# X$ N1 n7 ^ LOCALE_SYSTEM_DEFAULT,
* k$ [2 q# h$ ^$ H3 s4 r DISPATCH_METHOD,
" g- V/ ~4 w6 T. f" W# {, @ &dp2,+ B5 k9 n- j" f; _8 _; P7 J& [6 l
&var, p% F+ y% z0 W2 I) m9 o. S- X
&ei,
4 I+ \% \, S# t( H; M& P &uiErr);4 M0 c [" [3 _# l' ~/ q1 w! z1 g
8 h+ D8 D) K9 M2 N SysFreeString(topicStr);
5 X; s" h- {, N* N' p9 z/ z/ d: f) K- z. u SysFreeString(itemStr);. i1 Y+ O# ^/ ~5 g' \! g4 z
请问该程序是获得extend里面的哪个值?
$ Z- I# R8 B+ e) P6 W3 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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