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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:7 ]/ D+ H F2 k5 U1 R
Name = (WCHAR *) L"Poke";# [% q3 d) z+ B# E1 o v" \/ ?
" ^. P& D( Z, Y hr = m_pDisp->GetIDsOfNames (+ [* n" x" I5 G: Y/ ^
IID_NULL, // reserved
) g, l4 |+ T: C j" O &Name, // Array of names to get IDs for8 {* P4 d$ G o+ _
1, // # of names in the array
! J& C3 e% ]7 t8 Y. u0 `; d! f' E( @ LOCALE_SYSTEM_DEFAULT, // System locale
; n. b6 k# m" r n2 h &pokeID); // Array of IDs to fill on output
" q# I2 h+ U' n4 A8 S- e8 Q- Q
/ t" J" Q6 H. y! C" @# y( E8 J# L if (hr)
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MessageBox ("Get Poke Unsuccessful");
& D0 ]8 S- g" |2 f return;" Y' ]7 W, i! t
}
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7 \3 _0 m; r4 J) N5 Z/**************************传递数据给extend**************************************/
$ A5 m. A7 `1 W$ g. i& ~& G* n pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);- \" O+ n' y$ x
+ y* V9 B. s/ D3 W! A* N- |! d
valueStr = SysAllocString((WCHAR *) L"1232");
2 @8 A! A/ X) \. p( ` VariantInit(&pokeVariant[0]); & }. K) r; p9 q+ N0 W+ z# t" Z9 \
pokeVariant[0].vt = VT_BSTR;# O; G: a: V. ]3 n: z
pokeVariant[0].bstrVal = valueStr;8 V! d# w6 h$ _0 e, d
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 m" f+ _' l4 @2 x! X- ]- o
VariantInit(&pokeVariant[1]); 2 b& L. W% d. ]
pokeVariant[1].vt = VT_BSTR;
; J( P, N, o" c8 y pokeVariant[1].bstrVal = itemStr;
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. H; _4 r9 r) Q' z2 M" |/ t topicStr = SysAllocString((WCHAR *) L"system");7 V9 @: o9 \' B8 v, w
VariantInit(&pokeVariant[2]);
+ c- u/ P# h! q! Z$ [- u pokeVariant[2].vt = VT_BSTR;* W o E7 t+ D, _' l
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.) j# I. |( X; N0 `+ I8 u
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dp.rgvarg = pokeVariant;
; J: T6 k, a) L! @. H dp.cArgs = 3;/ \0 m4 r* l7 s) ], {% c) P4 y! ?
dp.rgdispidNamedArgs = NULL;
' } g0 O6 s* i+ ~* T8 x8 G dp.cNamedArgs = 0;$ J" q7 Z/ i0 p& o) {
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// Call IDispatch::Invoke()$ ?9 |1 y! E; b
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hr = m_pDisp->Invoke(' Z6 g0 B8 Q" A2 e- j7 `3 Z
pokeID,$ b- S% S* @% h; K
IID_NULL,' P& d6 t+ M. V$ K' H; x5 ^% K- d
LOCALE_SYSTEM_DEFAULT,: A$ L, N# F' h2 U6 X9 Z
DISPATCH_METHOD,
4 y0 d; v# ~" h$ ]0 U! x &dp,
6 V# j8 G9 u; R( ? NULL,
# j! v/ ?! k, ]# o3 x" w# f& D! F. n &ei,& @$ k: c* N! g6 r9 @
&uiErr);
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SysFreeString(topicStr);6 `8 d) f6 D# b" {
SysFreeString(itemStr);
) u- g7 J/ \5 M& D' t SysFreeString(valueStr);7 h! T& M0 g2 ~& K- n
$ R8 S0 b. U7 |. R; z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???
1 M2 _$ U# b$ t, H8 p$ M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????
2 F5 j" u9 ?$ x) v% }. ^7 q- g: u- r& X& U, q( c2 p! P: m
: F% @ b! P* \% s4 G- V2.这是request的程序
) Q+ ]2 O- ^! G* i. v& t3 |/ q7 @// Request a value from Extend) R) d7 G8 {0 Q+ q1 Q
//
' a7 I# |) C! J, X; n// Initialize the variant that will hold the BSTR. Set the variant's
5 z& G6 V- ]% J/ K// type flag to indicate the fact that this variant holds a BSTR. Place the
- f+ q# V- R# F; _$ j+ A// BSTR into the variant structure.8 }' f) R4 e' @ W* }/ ~
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. A2 Q( _* D! j/ u+ O# [3 x VariantInit(&requestVariant[0]);
% G) d @" s* P3 E) C h+ o requestVariant[0].vt = VT_BSTR;/ m( l4 k/ t2 m6 o3 @* U
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");' y6 h" H1 k1 q) |6 b2 ], ~( c; K
VariantInit(&requestVariant[1]); ; z6 a+ T: F3 R1 |' |2 i) |2 F
requestVariant[1].vt = VT_BSTR;
8 `# ]) A, d! ~ requestVariant[1].bstrVal = topicStr;
; l( G) z. n% h( S
3 i1 w9 v$ A+ M4 Z// Set the DISPPARAMS structure that holds the variant.3 j' V4 A( ?2 b6 O+ U: a- R
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dp2.rgvarg = requestVariant;
- M7 W4 S9 D8 X/ C* m7 @$ k dp2.cArgs = 2;
& f! z9 Z# B! J* V/ J2 b# N1 F dp2.rgdispidNamedArgs = NULL;
: K. R; S0 N; c dp2.cNamedArgs = 0;8 }: a. ]; Y" b, f j$ J9 i
( g" A& [# d3 O+ w2 g2 X5 k8 w7 E var.vt = VT_EMPTY;! f+ f, q, t) U4 g7 G/ m# u+ W. _
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(. _* a+ ~% @5 ?
requestID,2 \/ U% y! g3 S- v- Y/ P
IID_NULL,
6 a" y! ?- I, E' }9 R LOCALE_SYSTEM_DEFAULT,
/ V* {9 |7 l# m* m DISPATCH_METHOD, c% j+ r' n" A4 w9 f* Q7 z
&dp2,: O* i) }& {; V# S/ u
&var,
) z) I# p& g* U: _# A9 c' R &ei," n2 c7 T$ U" s2 V
&uiErr);5 a+ k4 b2 s, e1 |, l9 _
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SysFreeString(topicStr); J- n: F1 q, y D
SysFreeString(itemStr);3 v( e* W& l2 Y- j6 ?
请问该程序是获得extend里面的哪个值?0 f1 W/ Y0 Y z. F1 G' ~
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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