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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:( R% l3 r+ v5 g0 r! X9 ?# J; E- K
Name = (WCHAR *) L"Poke";0 [9 W) a; m+ D5 C
" d4 q2 O# I' B/ s; ~, W3 w hr = m_pDisp->GetIDsOfNames (
. t0 x3 _- y+ X IID_NULL, // reserved
: W9 Y+ n ^" ~5 B. d3 p& x% ^7 ~ &Name, // Array of names to get IDs for2 z0 d9 y0 Z+ U- c! E9 @# {
1, // # of names in the array+ N6 n" u5 M G# y* ?
LOCALE_SYSTEM_DEFAULT, // System locale1 Z6 }% I+ B: m. g# x& G
&pokeID); // Array of IDs to fill on output
8 |) R* j% [5 R( g 1 B/ _9 E5 h+ e: d" ]; m
if (hr)
4 ^7 d& c1 w. ?/ W1 Y {
! H3 @/ x: A, c& _2 x& g2 n MessageBox ("Get Poke Unsuccessful");
1 z" u* e( `; h* p return;
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/**************************传递数据给extend**************************************/' E0 {' ?, t3 F
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);" E5 e. K! ?# S1 E7 g' m
5 J3 J' j. d) x2 s: E
valueStr = SysAllocString((WCHAR *) L"1232");9 A: w" @0 W4 ~
VariantInit(&pokeVariant[0]);
" C- R/ z6 C( _* J+ G pokeVariant[0].vt = VT_BSTR;% g$ q; ?- [3 O7 Y6 O. P
pokeVariant[0].bstrVal = valueStr;
& O J5 o4 ^. t8 V( J1 {0 O
/ V" g, _) ?' R3 T: M1 | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 V. o& i1 f; [) u2 S6 e VariantInit(&pokeVariant[1]);
& z& }, l. H9 m. u1 k pokeVariant[1].vt = VT_BSTR;; I) t$ n# G F+ F B0 {2 m% M
pokeVariant[1].bstrVal = itemStr;0 Y2 y4 r3 I6 D/ _( P T
" E( B" Y' X' y
topicStr = SysAllocString((WCHAR *) L"system");
A+ D D: M% c4 D9 _$ f VariantInit(&pokeVariant[2]); ( }+ Y4 j6 m! `$ U- O w6 g
pokeVariant[2].vt = VT_BSTR;
! d& P6 x/ j' k( r A2 K pokeVariant[2].bstrVal = topicStr;
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# N( s7 U# l, v2 c// Set the DISPPARAMS structure that holds the variant.7 W7 J3 [; u& v: |
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dp.rgvarg = pokeVariant;
7 M1 Q+ H0 e" l2 U/ }8 c dp.cArgs = 3;7 Q) G8 j- m! X; a" C( X' c3 X9 E
dp.rgdispidNamedArgs = NULL;' \ ?3 x7 o% I0 Y, K, y
dp.cNamedArgs = 0;8 N7 {5 R1 K# M, ?& H# B2 g+ s
5 _- K0 a; I% Z7 P+ N2 {( x
// Call IDispatch::Invoke()( h' C. h* s6 F5 ` y5 Z9 ?5 S; {; y
3 q5 A" d* ^* m6 t9 o6 I hr = m_pDisp->Invoke(
# N: J5 E; J7 D0 x2 B pokeID,
3 o4 {, H2 z, v- }8 c n IID_NULL,8 [0 H: j/ g; y4 V+ L j
LOCALE_SYSTEM_DEFAULT,* E: Y- ]) Y6 I0 _5 U
DISPATCH_METHOD,
8 J3 g6 a7 B% p; @8 s- s/ `& r$ m &dp,
# }3 _4 l+ H8 j+ U% Q NULL,! J1 f6 k" `# q }" L! {
&ei,
$ F! t4 j: W# F8 w1 ]0 L1 q. q &uiErr);& Q3 a5 W/ m9 F. C" g8 c
8 X2 `' y# d( R( t; c7 G
SysFreeString(topicStr);
) |, f/ X+ {8 k! }0 ?' { SysFreeString(itemStr);
! _, w+ J3 l8 y! }8 z( l! v SysFreeString(valueStr);
9 q, A3 A2 w' V# Z, W9 F/ } y1 Y! ]$ Y+ X# n
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???
- @+ d$ ]$ z5 s" o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????% @; ^6 X) [- G) n
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2.这是request的程序
7 z& H: g( }# I0 V( F# F// Request a value from Extend
& D, i8 k2 Q+ X; v. `' T# Q//
% Y3 n( }; K4 {7 K0 y, J// Initialize the variant that will hold the BSTR. Set the variant's
O) B! {* ^2 s4 R' w9 S$ s// type flag to indicate the fact that this variant holds a BSTR. Place the
" g3 {# F7 \$ _// BSTR into the variant structure.
9 z" a; Y6 A" Q
1 r% ?! ^& T- _- H7 ~" X! H requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
* S) _$ b1 a* j* t , } L8 A3 G4 |7 e; e z: e" m
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 ~* e* P& |' n* e; [3 x% C9 C VariantInit(&requestVariant[0]); $ _9 y! r* E! P7 K O F2 C
requestVariant[0].vt = VT_BSTR;+ g' s! W+ a' u; d' j
requestVariant[0].bstrVal = itemStr;, u/ c1 X: x8 N, @/ d2 z
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topicStr = SysAllocString((WCHAR *) L"system");9 s$ h+ z8 g: y' i& O# k6 U6 ]% u
VariantInit(&requestVariant[1]); % l8 g( \- C! F4 i
requestVariant[1].vt = VT_BSTR;
9 K1 u8 w, Q# I* ^; ~% j4 r' | requestVariant[1].bstrVal = topicStr;: H0 e; ~. Z+ d
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;3 L9 h* }6 {/ V
dp2.cArgs = 2;. d7 i7 X+ o D' o( I; r
dp2.rgdispidNamedArgs = NULL;
7 N2 H$ I& `9 ~( B dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
3 @$ ]2 ^8 V/ N
1 B1 r6 \+ r% ? a, g, a0 W& C: h// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
# l( q6 M3 l% X' x' b requestID,5 ~* K6 I0 X; M3 I( I1 m' U9 e
IID_NULL,8 t- B4 E$ ^, i5 r
LOCALE_SYSTEM_DEFAULT,
( {7 j; ?. h5 G DISPATCH_METHOD,5 r8 Z2 ]1 v" m9 Q3 v2 t
&dp2,
! N3 C) Q9 J1 L) n, e @ &var, z) C3 \' g! ]6 i, p) }
&ei,
. h0 |6 Y- v, l9 X! I+ M$ s- k. B &uiErr);
; z7 u) V: ~3 d# A) @# `4 ?% |$ h: Q0 B% ^9 f
SysFreeString(topicStr);5 q# m7 L$ B* z* [
SysFreeString(itemStr);
/ p4 j5 l$ ^& j0 b$ L请问该程序是获得extend里面的哪个值?1 x f0 c Y, ]0 R. Z2 B
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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