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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:: \" j$ X% K4 a+ y5 S
Name = (WCHAR *) L"Poke";2 U! L4 v9 j6 V9 ]
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hr = m_pDisp->GetIDsOfNames (% [' v* s* `6 G! `: D
IID_NULL, // reserved+ ?- x- G1 b( \
&Name, // Array of names to get IDs for7 i) X* ~: @/ x8 J/ l& m6 |
1, // # of names in the array+ \7 j5 e: H" c0 S3 D5 \4 p
LOCALE_SYSTEM_DEFAULT, // System locale' l6 n5 H* O- d2 Z0 ]8 \
&pokeID); // Array of IDs to fill on output6 m( {8 r% M& U0 T) _& Y3 z( s, p. E
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if (hr)
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MessageBox ("Get Poke Unsuccessful");' M$ R' E- F* W2 G1 g9 x. C* [
return;
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/**************************传递数据给extend**************************************/ g. F. a3 N. t+ Q
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);, o, _- ^3 W: i. c
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valueStr = SysAllocString((WCHAR *) L"1232");8 Z# D3 n# i; E1 S; w! b
VariantInit(&pokeVariant[0]);
3 L: ^( s2 y) k# F2 D, o1 ~ pokeVariant[0].vt = VT_BSTR;* S" d0 J0 z4 @ [( z
pokeVariant[0].bstrVal = valueStr;0 r" l8 l$ ^9 A) H
/ ?- z2 M% A4 ^* W* A itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% f0 f. }# h0 W VariantInit(&pokeVariant[1]); & I+ H# Q% P2 E' E z1 x
pokeVariant[1].vt = VT_BSTR;0 I3 J0 O5 T% N$ a1 F+ o
pokeVariant[1].bstrVal = itemStr;+ C+ y8 U1 |$ [: j; p9 C
" D! y8 x3 s2 G topicStr = SysAllocString((WCHAR *) L"system");/ [% O# M! B6 J
VariantInit(&pokeVariant[2]);
8 n/ m* B* @; u- Y pokeVariant[2].vt = VT_BSTR;- v, N5 j# N7 l1 G7 z( } ]" ?2 |
pokeVariant[2].bstrVal = topicStr;$ P: Z1 O; L+ K5 k0 I
- Y' R8 d, V8 k3 d2 S// Set the DISPPARAMS structure that holds the variant.
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, s0 L/ c5 _1 n. [) J- { dp.rgvarg = pokeVariant;* \6 v/ D) D$ l6 J
dp.cArgs = 3;9 ^% _' o# `2 p7 G
dp.rgdispidNamedArgs = NULL;
7 Z+ X5 Q' j1 V6 | dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()- M6 K5 ?) ^9 \! G7 b: a
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hr = m_pDisp->Invoke( k9 |( J; T' {* Y, @+ j. D1 d
pokeID,% {6 k5 S3 I3 m, r' X$ p, S
IID_NULL,5 F7 a2 o& Y/ `
LOCALE_SYSTEM_DEFAULT,2 I2 o# o" F5 l, O# G; v
DISPATCH_METHOD,+ c4 s- ]9 `4 k5 V9 K
&dp,; i. D, j, T! N. p9 Q% [( v6 a: i
NULL,
! `9 M" {( @- t4 j' Q7 k &ei,
w) U5 c3 X8 _- [# B &uiErr);# b U, W: A5 N2 Y* t6 P+ Y
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SysFreeString(topicStr);* C, a4 d$ I- g7 H7 Q
SysFreeString(itemStr);/ w! d7 p5 U+ u$ F8 J
SysFreeString(valueStr);$ g5 S& q4 j& A2 x* G
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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???
# P& G: E9 l0 Y. N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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7 B; m' d* `5 a- P! ^4 `2.这是request的程序
- t1 V' ~6 V3 k9 q1 O% {6 w. {* @// Request a value from Extend% M/ h1 {. }- \ `
//
7 h( W) X2 Q O7 G; C0 b// Initialize the variant that will hold the BSTR. Set the variant's, p3 _9 w6 ^+ M. ^" a$ N3 w0 ?5 B
// type flag to indicate the fact that this variant holds a BSTR. Place the
# t. V: u0 O9 c. V# E9 v3 ]// BSTR into the variant structure.3 ?5 s: }) ?. u
3 v9 w( }" { D9 e6 O4 Y7 t requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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8 T' B+ @2 d: X7 }6 h itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' u; C9 O0 r5 ^7 x0 r7 L VariantInit(&requestVariant[0]); ' k* ^+ A9 q+ G: I, x
requestVariant[0].vt = VT_BSTR;# F5 Y4 A, G/ u9 v/ P
requestVariant[0].bstrVal = itemStr;
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- p, ?* J' Z/ ?8 O topicStr = SysAllocString((WCHAR *) L"system");0 ?$ S% E' e) G) n- o$ O( G1 F
VariantInit(&requestVariant[1]); . _3 A, w" E( ^7 I# c; }* a
requestVariant[1].vt = VT_BSTR;
2 G. k( u, z! p: c! n( \ requestVariant[1].bstrVal = topicStr;5 n9 I: x3 S6 Q* H* F. b3 c
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// Set the DISPPARAMS structure that holds the variant.
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! y$ W. z. U8 l7 S- ~ dp2.rgvarg = requestVariant;$ R, D9 g/ [. t' S4 E( g
dp2.cArgs = 2;
" W! ^) ^; D6 _ @3 q, h* ? dp2.rgdispidNamedArgs = NULL;/ }; _2 x- d3 S& E$ m% o+ S
dp2.cNamedArgs = 0;
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. }& }) E% o& `& M- T var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()8 \7 z* e1 i' d
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hr = m_pDisp->Invoke(
! K' |/ G3 |+ a0 i' e4 t0 ] requestID,
6 |# v. W! g! k* _+ ? IID_NULL,
' y% B* ^3 \' e3 E. ` LOCALE_SYSTEM_DEFAULT,& s* J3 [9 q- s: O" r. o# t+ p9 g
DISPATCH_METHOD,! K4 }6 J |+ P7 l; T2 X& g! c* Y6 m
&dp2,
3 w7 H6 j5 K) Z0 v+ T( z/ T &var,
$ z. W& r5 ^/ c. j( | ~ &ei,
( y4 [/ s2 P0 H; ~ &uiErr);
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) T) `- g; H1 l8 x0 o+ X: z SysFreeString(topicStr);( O/ i8 p% N% W0 G
SysFreeString(itemStr);
& \8 R, v- x- b* v* j# E9 U请问该程序是获得extend里面的哪个值?
* l& ~; y5 ]. K+ y0 }/ l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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