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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:
: y8 t5 e7 P& e6 gName = (WCHAR *) L"Poke";+ q0 ~$ v2 j( ?: h7 ?( i* A# F
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hr = m_pDisp->GetIDsOfNames (" X# ]4 f( V3 C9 }4 n
IID_NULL, // reserved
6 z8 k3 A; W! l: [( t/ |7 t( Q &Name, // Array of names to get IDs for i$ ]3 q/ ~6 S2 F6 {2 m9 P
1, // # of names in the array5 ]/ N( \: W( x2 k' m
LOCALE_SYSTEM_DEFAULT, // System locale
( M' m- ]" ~- I) [9 {5 E &pokeID); // Array of IDs to fill on output0 S* h9 z2 ?, P' q" w
! H& t: M, l/ f8 G% E6 [ if (hr)
. u& s2 {+ ~: h" c( K4 ~& s {
" U9 J/ y. D) l! k$ ?* n; F MessageBox ("Get Poke Unsuccessful");+ j) Z2 E# F( d- i5 f
return;
) q, {$ u5 c1 D) x; a0 T% _ }" r( V/ Z$ [% i7 t, X
6 ~' F) u5 U# D& t$ b' a/**************************传递数据给extend**************************************/
$ F; `/ k3 n7 T; O pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");$ W- i$ D$ X' W6 S8 p, z
VariantInit(&pokeVariant[0]);
- W+ V2 j( Y, x4 s pokeVariant[0].vt = VT_BSTR;; g" \0 v) k% [1 E4 z7 |
pokeVariant[0].bstrVal = valueStr;/ ?! o9 R+ [1 F" L* c2 c4 }
0 D$ I7 G# i7 R* g4 Z- i& l' t itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 h/ z1 l( W: A8 R, H
VariantInit(&pokeVariant[1]); 8 ]0 Q" P, c7 w/ H5 @0 o
pokeVariant[1].vt = VT_BSTR;
8 N* G3 k& Y) B3 ?: _; t pokeVariant[1].bstrVal = itemStr; ~/ R; g+ i& e# l% Y
, D/ r9 k. c% o2 u2 Q topicStr = SysAllocString((WCHAR *) L"system");
* e* |: ]8 B" W1 W6 @2 q VariantInit(&pokeVariant[2]); - k7 r* ^8 X. o; i$ X, m
pokeVariant[2].vt = VT_BSTR;
5 W" q" _ B, B2 `! J( d S: @ pokeVariant[2].bstrVal = topicStr;
( |4 F7 l7 h9 \( `. H. M
3 G& j) V3 o+ h" m; R5 K// Set the DISPPARAMS structure that holds the variant.5 m3 m: I4 U0 R7 Y# Y0 b: o) k: Z
3 q. {9 {2 j& n, \ dp.rgvarg = pokeVariant;4 W6 `2 q: \5 a) r
dp.cArgs = 3;
; d E; v5 g- Z" b6 B O) ^ dp.rgdispidNamedArgs = NULL;
+ i/ R! ], ]" h9 W+ [; f" @: m dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
5 r6 l# l* `# H pokeID,
% M# K& Y8 L( l( S- v: R% l4 N IID_NULL,
6 \8 U9 T$ q% e8 ?$ h5 j LOCALE_SYSTEM_DEFAULT,4 f' }6 D3 [' b# y* H
DISPATCH_METHOD, y2 S$ B! e- n; Q6 h6 P
&dp,; K9 Z9 m5 t8 B* o6 o
NULL,
; Y: ]" C4 }- @. q; n) Y &ei,
; v2 z) ]% v e4 ^( }. b' O &uiErr);
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SysFreeString(topicStr);
& I* Z- n* @( f! Y SysFreeString(itemStr);( \( `. F( ^7 r3 G
SysFreeString(valueStr);) |) }/ |5 b& y2 p! l
, l$ ?, B/ p& x- F( o! p5 ]. P3 M0 h
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???
8 j4 A. v$ |+ \! `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????
( `8 y1 Y S2 I9 }7 q2 F3 \
- p, E! w" V( V& V- p" v% m+ O2 M
2.这是request的程序
6 @( m& I" _2 T, r; a// Request a value from Extend
# ]: s1 x* _. y: Q//
2 x4 h( q; q8 @+ c// Initialize the variant that will hold the BSTR. Set the variant's
. G. Q$ ^ y' f. l$ k E+ T// type flag to indicate the fact that this variant holds a BSTR. Place the
7 p1 Z: g; `2 G8 f9 |// BSTR into the variant structure.
6 ?' r i3 L6 q" D8 ~! T# c
" q* b) R4 H/ Z5 A8 ~* x6 I requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
2 a. n' p# q9 _& i
! N7 v8 {; O; | H' z& A! i$ N. K itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 \' p- ] j! {7 i6 a. T VariantInit(&requestVariant[0]);
# }" X4 Z$ c, D7 ?" k requestVariant[0].vt = VT_BSTR;
- ?* K* D- {) s5 d requestVariant[0].bstrVal = itemStr;( h2 M9 f- A2 a/ H' a( e
$ [1 H, L. a% X" `' E" M
topicStr = SysAllocString((WCHAR *) L"system");
; l$ s. |0 @) b' z( K3 s& z VariantInit(&requestVariant[1]); 2 D& h$ R( q/ N7 b5 s: M1 |3 \
requestVariant[1].vt = VT_BSTR;
* E+ I6 J H y8 m requestVariant[1].bstrVal = topicStr;1 J- C B8 q7 e9 u! F- b
2 I" I! R- ~" d; c) a6 O
// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;1 J0 _) A& Q6 T6 M" D+ @
dp2.cArgs = 2;
1 u9 ]1 C U$ `0 _1 O) } dp2.rgdispidNamedArgs = NULL;$ r! h3 _' z' D C
dp2.cNamedArgs = 0;
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" j- R0 L) v6 P8 B* @' f var.vt = VT_EMPTY;( L% I/ b: l6 W
* q3 Y* `1 N; T" C// Call IDispatch::Invoke()6 m- J+ h, m: `1 ^# r
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hr = m_pDisp->Invoke(
( V. l6 R+ x5 m. u requestID,0 {2 |6 o7 k+ h d
IID_NULL,
3 i' s1 e7 E+ n' [4 d$ L LOCALE_SYSTEM_DEFAULT,6 \& V8 v+ d t0 \
DISPATCH_METHOD,
4 ]5 R8 u# v/ \4 ^+ L7 Z1 H &dp2,
# B: w" t- s$ ~9 K; }: O" Z &var,
: |7 K5 _" V3 i0 C, k# B &ei,
7 j; ^' D% N7 x& b &uiErr);! n- K! n0 h# k( L/ H% D
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SysFreeString(topicStr);% Y$ d* l0 W& x& h6 U3 U+ x, h
SysFreeString(itemStr);; a. V A0 r1 q! ^
请问该程序是获得extend里面的哪个值?! p8 K9 d; U( J: F
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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