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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:
! D5 F& [9 y) ?0 ]' lName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
( W* a7 `4 I% M- E" {2 C! w3 j IID_NULL, // reserved8 M% f: ]' {( ~6 ]9 F
&Name, // Array of names to get IDs for
- F: n, R @0 `1 K# x4 _ 1, // # of names in the array
- Z3 T% g1 S9 K+ O LOCALE_SYSTEM_DEFAULT, // System locale' T7 U8 _7 D8 P; K6 L
&pokeID); // Array of IDs to fill on output, ]! E0 B; C6 T6 D. R+ s5 a
+ n- j z. Y' M' t: x0 V$ g+ N- f if (hr)
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MessageBox ("Get Poke Unsuccessful");
7 }$ x& M. V# Y& H. T9 h, B5 y return;
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/**************************传递数据给extend**************************************/
6 V$ O, M3 S. a% L9 z$ Q; a1 a pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
8 O5 Q0 M3 i1 C4 G$ y
4 r9 O9 q( D% A! `7 P+ [3 z4 K valueStr = SysAllocString((WCHAR *) L"1232");/ x: H+ p* b- ~4 _4 E# x& V. M; C
VariantInit(&pokeVariant[0]);
' V: H2 A) W, q$ i8 B) S pokeVariant[0].vt = VT_BSTR;
1 }! L& U/ T8 u1 N' T pokeVariant[0].bstrVal = valueStr;
8 N+ s9 }$ z" J! Z ]
% ~& W! r/ o8 X0 L& d- h3 J3 R h itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 S- g. n- d( D
VariantInit(&pokeVariant[1]);
$ l/ A$ K3 `0 A$ [8 s pokeVariant[1].vt = VT_BSTR;
: ^9 O/ h9 R4 Q) T. i pokeVariant[1].bstrVal = itemStr;9 j0 V9 ?( J' `& }7 u/ p5 i6 R
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topicStr = SysAllocString((WCHAR *) L"system");
, k" Q# S. ^% d2 f* l6 _$ v VariantInit(&pokeVariant[2]); ' Y7 x# i8 a! j) Q1 T9 g! T; A
pokeVariant[2].vt = VT_BSTR;
8 L4 q' l9 t, Z- y/ w pokeVariant[2].bstrVal = topicStr;
( M' m" _$ K( P8 r" a( ?! N( F' O0 n4 o
// Set the DISPPARAMS structure that holds the variant.' W% m5 N+ F# H6 e H
; M j3 ?, D$ S" p9 J dp.rgvarg = pokeVariant;0 D k# J. E* O2 k% y2 k4 V7 m. G
dp.cArgs = 3;$ v- Q* _' R& j5 R
dp.rgdispidNamedArgs = NULL;
4 c& m* {2 u; B0 F: m1 X dp.cNamedArgs = 0;
* g9 I; B# a9 B9 C: ~0 A; [% o; W6 N5 i% F$ Q T* N# Y+ C
// Call IDispatch::Invoke()% D! g* U( i- ~- I# t n0 e; G
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hr = m_pDisp->Invoke(
% x( e0 r. X% l) ^% y' [# g pokeID,
1 G/ X/ s7 ~7 a- f IID_NULL,
. M# E3 ?+ [, u9 F LOCALE_SYSTEM_DEFAULT,; C' ^% I3 H: k, Z5 G
DISPATCH_METHOD,! U C4 ^, K/ a9 r; h/ ? c
&dp,; i+ O2 c& W' _: A" f; }
NULL," ?/ w$ \% @. F- [4 H5 i
&ei,' N2 S% j1 B# ]& f7 v
&uiErr);2 j) r4 B& D+ G- q
& z& c" j; ? f2 y F2 t; k- _2 @) A
SysFreeString(topicStr);
+ f6 O7 ]+ L' T, p" d; L9 c+ H* ] SysFreeString(itemStr);
8 F, C" Q5 n& c' I9 ?/ f SysFreeString(valueStr);; j# z I9 o9 c- S1 Y
$ t1 @+ U5 c1 q8 E# V* L' @0 T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???- e/ }& }. a- ?, E, t! l8 k
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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2.这是request的程序6 U; w( u) `% O
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
/ Q# ^8 [: j; k7 _" e* V// type flag to indicate the fact that this variant holds a BSTR. Place the
7 s- H6 k8 w" l) c5 X// BSTR into the variant structure.
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1 N! t8 z3 a! p. {& X7 J requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
+ x/ v) X( I9 {- a/ J
) k r& r- H# t& O# |/ F itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ Z5 O5 _, C) T) W0 J; P& ]5 K
VariantInit(&requestVariant[0]);
- S8 W9 u7 h, l0 O' T' ?$ j# W: [8 Q2 C/ [ requestVariant[0].vt = VT_BSTR;
; A: X" i7 h4 d& o7 M. K# M1 @: V requestVariant[0].bstrVal = itemStr;: ~+ b; x# m+ g! d8 M% `* C! c
6 m2 q- ?/ q0 J( r
topicStr = SysAllocString((WCHAR *) L"system");7 ]# v( `! o( u( @( V1 s
VariantInit(&requestVariant[1]); 5 h2 u: `5 }' n6 F/ p+ t# H
requestVariant[1].vt = VT_BSTR;
" h& F* D1 y7 R% w2 I6 i$ y requestVariant[1].bstrVal = topicStr;
: w2 K5 z& g3 t( i2 R0 p0 v, Q9 o* z) p2 v! w- j2 V
// Set the DISPPARAMS structure that holds the variant.( ]4 v0 J9 w5 t2 ^4 `3 o/ e0 N, D
5 [$ f& e% k# S7 K' {( d8 v# f9 @ dp2.rgvarg = requestVariant;! n; i7 \/ W) f. K/ F4 k' P3 J
dp2.cArgs = 2;% A5 m4 G! g3 H" g& G3 r9 A
dp2.rgdispidNamedArgs = NULL;
/ i- h8 h' v |. X- W! v/ Q1 ?" t dp2.cNamedArgs = 0;
' j Q3 R# C; p8 ]
1 u" K8 Q$ f6 c6 P! ] var.vt = VT_EMPTY;9 `$ T. W/ n8 u: p
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// Call IDispatch::Invoke()) P# P$ x* g5 a
. H A: J3 e1 L6 {2 q hr = m_pDisp->Invoke(
6 c4 N$ i' {& @1 L requestID,4 E& _1 t5 r8 y; a4 G7 {: X
IID_NULL,
9 k! b0 C4 b& W/ h" l. W# _8 t LOCALE_SYSTEM_DEFAULT,+ n1 [' \/ }1 F- e8 Q* [2 m7 N
DISPATCH_METHOD,! G: Y8 ?8 r" e& o& u; ?
&dp2,, C6 B/ W4 P; A
&var,
2 q1 X) o$ P& a: ]& E1 J1 p) Q &ei,
4 P3 S" t; V6 h &uiErr);, E0 o& S; {" B9 j5 }
% M, H9 J+ P5 _ SysFreeString(topicStr);
- R# G" h& X+ { SysFreeString(itemStr);
, s8 W! y# A7 L: H; b+ p0 E9 _请问该程序是获得extend里面的哪个值?3 g. o7 I: H$ U" M
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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