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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:
1 V9 s" m) x. _, E+ i$ oName = (WCHAR *) L"Poke";4 _$ \& r' c1 _
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hr = m_pDisp->GetIDsOfNames (7 j2 u: J( [" T" g$ O7 F
IID_NULL, // reserved, T6 h z* N1 i7 G* C# i
&Name, // Array of names to get IDs for
7 N2 h& c- f0 y 1, // # of names in the array v- L' C2 i- P. K' C; D
LOCALE_SYSTEM_DEFAULT, // System locale
1 G6 n7 L( y1 |5 w3 e/ s2 e &pokeID); // Array of IDs to fill on output
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if (hr)
5 N2 b; G% _2 T6 T7 e6 g$ U {0 A5 ?# u, s( h+ x$ \+ {, m8 {
MessageBox ("Get Poke Unsuccessful");
1 E6 U0 X z: g return;% ~* V, w; x3 j' l9 ^# B9 q B a
}
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/**************************传递数据给extend**************************************/ k: a+ p; H: L# Q& ?% t1 ]9 V
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");( G3 g4 O4 j3 r, v* d
VariantInit(&pokeVariant[0]);
7 B8 z# J4 p! P# \ pokeVariant[0].vt = VT_BSTR;
( s4 p7 V- e9 g/ Y pokeVariant[0].bstrVal = valueStr;
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/ J! [& ], L. [* C* ]3 L itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, }/ r1 c! Y- x9 a' Y$ h2 f$ f- m3 d/ N VariantInit(&pokeVariant[1]); $ t% I( z# V* p9 i, \3 c- `9 O
pokeVariant[1].vt = VT_BSTR;
0 k- W0 t2 y4 _9 g m3 g9 \ pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");* v6 ?7 ?( Q7 r3 T' E$ J
VariantInit(&pokeVariant[2]); . Y( ^8 j. h# |9 p; b+ y O
pokeVariant[2].vt = VT_BSTR;$ Z3 \7 d5 H Z6 C, |! J6 L# g' S
pokeVariant[2].bstrVal = topicStr;
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( u: ]' ?8 h4 l4 r" t// Set the DISPPARAMS structure that holds the variant./ J/ _* W- N9 W" B* g# I
* S' c9 y. ~: g4 X dp.rgvarg = pokeVariant;0 M' t2 {9 ~( e T+ X2 H5 m
dp.cArgs = 3;/ |% c, c+ D& l) B
dp.rgdispidNamedArgs = NULL;
" W; K) W$ y) }+ L. C dp.cNamedArgs = 0;- a6 t; [) z; I0 v
6 z! R5 D3 U# U ]6 V l3 l; @// Call IDispatch::Invoke()9 ?8 I M* s/ {! |. v
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hr = m_pDisp->Invoke(/ `* ]2 z& r6 G
pokeID,' A, t9 ~. h1 ?! l) u0 P9 b
IID_NULL,
0 Z2 ^, y, |7 y2 j2 J) p LOCALE_SYSTEM_DEFAULT,- N6 A E# Y5 H$ X1 F% l6 ~
DISPATCH_METHOD,
, H7 W, e7 \3 ]: y &dp,
, x4 V: R. {6 r$ _: Y4 a NULL,/ y3 D, E% g! `4 q: N
&ei,
0 w+ |! p& i, `2 r' S1 u* L" y &uiErr);
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SysFreeString(topicStr);
$ F) y1 Z8 v; D6 g SysFreeString(itemStr);
2 V) B3 m0 B1 _! v& h9 c& N9 Q SysFreeString(valueStr);
/ w1 e9 i1 O# `( R$ l. \& N
5 g6 D: C- Q& G! a5 x' K3 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???
! p& y( K7 l% Q; ^ u- v7 K6 ^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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1 Q* Z7 a. M. K; w! A/ U% r5 H8 R& P/ f1 {2 b6 H" d7 y
2.这是request的程序 k- X0 s) Z0 s: i1 M2 O
// Request a value from Extend
* s$ j( |* ~# C( o5 `( D//
8 J- t# N7 _- w# L9 X( O// Initialize the variant that will hold the BSTR. Set the variant's- w! p& n3 g: I- b& A4 T4 b
// type flag to indicate the fact that this variant holds a BSTR. Place the
! F0 f/ N, \7 U' o. n2 _+ Y1 P% ~4 J// BSTR into the variant structure.
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( p' q8 |( |8 {( g5 e5 ~ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);9 }# c, M2 R- f1 |$ L* E, r
6 J1 p: E7 V6 z9 c itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! Q4 n; C/ K9 ^1 F% G, ] VariantInit(&requestVariant[0]);
1 x( t, Y! K' K, ]. G requestVariant[0].vt = VT_BSTR;1 b3 H/ Q7 Z1 f5 f- a4 x
requestVariant[0].bstrVal = itemStr;( F' x7 S: y6 g- Q& x- w# y2 y
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topicStr = SysAllocString((WCHAR *) L"system");
) l3 m( [+ X* e! \) P( U VariantInit(&requestVariant[1]); 3 c7 H# R. N* n& J, H# W2 v, f
requestVariant[1].vt = VT_BSTR;0 ~- l [# e, w0 j; r( ?
requestVariant[1].bstrVal = topicStr;+ v! K u5 A, ^9 |, [
( g' S6 ?" S) w: `& O, \// Set the DISPPARAMS structure that holds the variant.7 T; i1 w7 _6 q" y2 k
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dp2.rgvarg = requestVariant;$ Y5 S: y) C1 w# O
dp2.cArgs = 2;
; q* l& F) W' Y+ M y dp2.rgdispidNamedArgs = NULL;
* V2 e! G) L: Y0 Y$ @7 Q9 O ^- m dp2.cNamedArgs = 0;
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2 b3 x) B3 J! M( Z* c: k var.vt = VT_EMPTY;' \0 X- D8 R, _: Q
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// Call IDispatch::Invoke()1 j1 x/ b' d' w& `5 w6 t! @
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hr = m_pDisp->Invoke(
. y1 w1 j2 S( D- t9 \1 ^5 N P0 | requestID,* m* A: J2 ^- B3 t
IID_NULL,
, y0 O1 j; f- V' T0 X' T LOCALE_SYSTEM_DEFAULT,; G/ o z" ]2 O- J* k
DISPATCH_METHOD,
1 _* @2 g& [1 c( c5 x/ k &dp2,
d( |2 X4 ^( t/ V2 J/ r &var,
% H, j; A: P5 S9 z &ei,
6 `$ }. ?9 S6 f" H) {: X- L# \, R! j &uiErr);6 i6 G( p$ T" L1 W1 v
% k- c$ c1 M0 n' V
SysFreeString(topicStr); M7 P1 ?# Q- j# P1 {7 L5 S( d
SysFreeString(itemStr);
4 O* N+ P4 s1 d9 O/ `请问该程序是获得extend里面的哪个值?
$ e* v( i) @/ k8 O9 X9 I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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