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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:
( m; e4 Z* g5 v+ ?Name = (WCHAR *) L"Poke";
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; x4 H% D/ u B5 @/ H/ n. j. k hr = m_pDisp->GetIDsOfNames (/ q" l% H4 }1 Z) j, x( \. v, a
IID_NULL, // reserved
+ f/ G H$ S+ v7 L! ~+ W &Name, // Array of names to get IDs for
# ~% ?& q+ h. r$ Z0 ^+ k% k& H 1, // # of names in the array! x5 ~, I5 z" a, @* U7 \0 @
LOCALE_SYSTEM_DEFAULT, // System locale
2 s* A- I" w# q6 T! n/ A &pokeID); // Array of IDs to fill on output
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* O' j- K0 d2 f2 U; K* [. K if (hr)
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MessageBox ("Get Poke Unsuccessful");0 w( g% y& t: K, e; V# }7 U
return;
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4 g# h1 B3 l' w& s* l/**************************传递数据给extend**************************************/% W. k. c& G8 j- k
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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7 k! r0 f% s$ d3 _1 ?( { valueStr = SysAllocString((WCHAR *) L"1232");
% ]/ k* q8 d4 W& N! {. U VariantInit(&pokeVariant[0]);
5 y1 e. N: \- M% A0 L pokeVariant[0].vt = VT_BSTR;
* Y5 W6 [: v/ {; J" ?, X pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% S% j! c) m; S/ L) N) J. b
VariantInit(&pokeVariant[1]); 7 q$ Q8 d8 z: X# |0 O4 {4 B2 K' f
pokeVariant[1].vt = VT_BSTR;: P4 ~" d/ [; a `& k# A
pokeVariant[1].bstrVal = itemStr;0 t; o* c1 O$ P# k
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topicStr = SysAllocString((WCHAR *) L"system");
: c, j$ j' h ^/ I. B9 H3 [ Q% B VariantInit(&pokeVariant[2]);
# D; T" h. H l pokeVariant[2].vt = VT_BSTR;" ]3 m7 Y1 F, e& H. z
pokeVariant[2].bstrVal = topicStr;
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6 a% D) Q0 h8 V6 w1 W// Set the DISPPARAMS structure that holds the variant.3 t7 f6 m+ |, `6 Y
, o0 _4 A+ h% H8 W4 F: o2 L; w dp.rgvarg = pokeVariant;
( D$ I# R; Y; }9 l: L2 h- i dp.cArgs = 3;
6 i: x) ^4 Q" f3 ~( n dp.rgdispidNamedArgs = NULL;
) o# O) Q2 @. v& F& O- Q% _" V dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
( K6 c ]4 L! ]6 _$ j2 ]- T W N pokeID,
2 S9 h% ?6 s% S1 y3 ]- w" x6 X IID_NULL,' S" e; s% S: |9 @% D
LOCALE_SYSTEM_DEFAULT,1 U: w3 m! A3 L2 \. v7 V
DISPATCH_METHOD,
6 u- e! Z2 ^5 e# J* Y2 u% | &dp,/ d# }; {5 b. r6 v
NULL,
7 r, h6 z- s- Z- g% E- S &ei,
8 u' o0 X8 G* s/ S# K &uiErr);
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SysFreeString(topicStr);
9 ?4 _* N+ f) _0 s. X* G SysFreeString(itemStr);: h6 k' o* e2 N3 c
SysFreeString(valueStr);- c0 d0 |% Z0 m1 I- `# _% h
E; L% D0 D+ I, g, L5 i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???
/ v( C: N/ A( P% [' z% D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????) d$ R0 I, F, P
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2.这是request的程序0 ?. m9 G6 ~' C2 v% F& J/ ]% T' Q1 o
// Request a value from Extend' ~: H/ |( `, V
//4 Y! R0 c* m% D( [
// Initialize the variant that will hold the BSTR. Set the variant's
6 }: ]" i) {" `6 t' h" V' U// type flag to indicate the fact that this variant holds a BSTR. Place the
5 S7 f: Q f9 T3 S {: Y5 L6 o// BSTR into the variant structure./ {. J) W5 q" H! \" `; K
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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& V: Q. u4 E8 i; W; z: d A itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 V; b) T( G; r+ b; f6 N3 {9 H VariantInit(&requestVariant[0]); 0 D. M& k" e8 M3 ^" g7 K1 O* K5 u' o, X
requestVariant[0].vt = VT_BSTR;* V* h0 g. g: N
requestVariant[0].bstrVal = itemStr;
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) h; P2 u. H, s: x" S! Z. ^, R! [ topicStr = SysAllocString((WCHAR *) L"system");& \3 B( @4 z2 N/ j. r
VariantInit(&requestVariant[1]);
0 [$ C8 i. R5 `2 k- W$ l, _ requestVariant[1].vt = VT_BSTR;8 ^, k0 w! q4 z$ X7 z! d* Z
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.% @7 Y% F# j4 E& n5 C' v3 J
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dp2.rgvarg = requestVariant;8 i1 O5 y, W2 _% ~7 U1 V" b' {+ S
dp2.cArgs = 2;3 J8 L% V; q: }2 U5 Q
dp2.rgdispidNamedArgs = NULL;, s# K3 a- ~) Z$ W7 R3 I
dp2.cNamedArgs = 0;2 I% N& v. @# n6 q! e& P" ?+ u3 G
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var.vt = VT_EMPTY;
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6 I1 x' A% H. k; e, ]" g// Call IDispatch::Invoke()
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* A G" j7 u. Z0 M: | hr = m_pDisp->Invoke($ l+ N% z; s& J; B" r" }7 L1 f
requestID,8 ?! J; d4 W# m; p) W- g5 q6 O
IID_NULL,* D: ?! O2 I* f. u/ J7 d7 t
LOCALE_SYSTEM_DEFAULT,
" M+ X! F( M+ r. b. F DISPATCH_METHOD,
$ I- v3 f5 W& L# T &dp2,
! @" D1 b0 e2 v' X( ^ &var,
. B' s: }5 T0 S4 V &ei,
' m. p9 p6 e6 x* B0 ~9 t &uiErr);
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SysFreeString(topicStr); K5 U8 b! U( v8 m- v% n5 g
SysFreeString(itemStr);
$ D4 A# Q+ B- }( O请问该程序是获得extend里面的哪个值?6 z6 I7 k& r0 P# B. M! g/ z
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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