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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:) N" M: e# s5 D/ S
Name = (WCHAR *) L"Poke"; J% o$ c& l2 d$ i+ w- L
, n- ]& l& F+ ~2 Z% H hr = m_pDisp->GetIDsOfNames (
" E2 `+ t$ K( ^: M1 p+ ` IID_NULL, // reserved
: S7 P7 r5 z+ n' i &Name, // Array of names to get IDs for
1 {- X& O9 i3 O$ O5 K 1, // # of names in the array
; x" t6 O- Z6 ~& | LOCALE_SYSTEM_DEFAULT, // System locale
1 @4 ~% E; B1 U5 m! u &pokeID); // Array of IDs to fill on output
! F% r. B2 d* ]: } $ v1 {3 X3 x1 B
if (hr)
$ n* c2 Y( F+ @6 c8 D* a- P0 } {7 H1 Z% X3 I% P! `, \3 ?" U% S1 Y
MessageBox ("Get Poke Unsuccessful");: W8 L6 Q0 x& g- w7 ^
return;
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/**************************传递数据给extend**************************************/: S' L' V% i9 L" X$ V
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);, |( B5 {& H' ~- v" ~9 ^
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valueStr = SysAllocString((WCHAR *) L"1232");- k1 n8 l- \) D1 C# f' w
VariantInit(&pokeVariant[0]);
, c3 R( O& }, j% z2 ^% C% _3 `6 z pokeVariant[0].vt = VT_BSTR;# t: ?, O2 D8 o) U6 d
pokeVariant[0].bstrVal = valueStr;% \0 C( A3 O& t1 A6 B8 t
( Y* i6 y8 I7 z: k D( d
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ g, P1 K3 u/ y3 l) s- J( n. ]* ^ VariantInit(&pokeVariant[1]);
0 ]4 @! h+ V: s pokeVariant[1].vt = VT_BSTR;/ F B8 r* k% W8 m+ |0 M/ I
pokeVariant[1].bstrVal = itemStr;/ m& e% ?; j5 F9 H
8 e" I* n4 K v
topicStr = SysAllocString((WCHAR *) L"system");' \3 L' w5 N2 z7 }
VariantInit(&pokeVariant[2]); & ]: x q0 q+ o; U2 t
pokeVariant[2].vt = VT_BSTR;
7 G5 L$ _ D% O: M+ C& k- p pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.: ~+ n+ S3 h) f/ Z- `
; H! I3 r5 ^' f" A ?+ {
dp.rgvarg = pokeVariant;
; v6 u8 z* w, J dp.cArgs = 3;7 ^* G L s% r Q3 ^- c
dp.rgdispidNamedArgs = NULL;1 p& S% h5 ^3 |' m
dp.cNamedArgs = 0;
/ |! [+ F2 M, A, N* `4 u y% g R4 n, v* M/ a1 a3 C# Q( Y
// Call IDispatch::Invoke()5 K/ s# p: d- E' }
, w; s; n4 A5 |/ k hr = m_pDisp->Invoke(
r) k9 d9 U$ m pokeID,
' L1 c; g" |6 Y5 W IID_NULL,
) ]8 L3 {- z: z4 g) h* u LOCALE_SYSTEM_DEFAULT, u/ F/ P& C' _
DISPATCH_METHOD,
/ l1 L7 U. h$ V; O! E6 ` &dp,
$ C1 @4 t" E! C. d, [ NULL,& V' w" O3 A0 D0 ~
&ei,
% M: F v* ~6 P' ~ &uiErr);
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SysFreeString(topicStr);
# _7 `; U" L* t- t SysFreeString(itemStr);
$ s" c& o9 r+ m- r5 S SysFreeString(valueStr);
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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???
. z4 v( a+ x. }2 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????
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( M; k8 n( v; R" b W7 b9 u" }2.这是request的程序% d) s5 b) B7 v
// Request a value from Extend
) D( ], a' I' b//
. ?) _3 W. R/ `! T ^7 G// Initialize the variant that will hold the BSTR. Set the variant's
7 P4 z% x8 r, L& E; [6 \$ I6 o4 }// type flag to indicate the fact that this variant holds a BSTR. Place the; }0 ]- c, M$ B6 |; O1 e7 e
// BSTR into the variant structure./ b* ~8 D7 F; v$ f+ C0 C M- I
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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" j( a2 ?' ? r8 V' T) t+ ~8 ~( z6 U itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. l3 O! u9 z$ T2 q9 E" c$ b* d VariantInit(&requestVariant[0]);
* w; B: s d1 V8 b requestVariant[0].vt = VT_BSTR;
) l5 g/ {3 ?$ X7 O$ n7 v8 ^ requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");9 F. Q$ s6 C4 ]. {
VariantInit(&requestVariant[1]); 8 U: Y( }5 o8 q# q0 \. o
requestVariant[1].vt = VT_BSTR;
( U* g7 N. q2 b3 E, C requestVariant[1].bstrVal = topicStr;, q: j3 O: q$ @' l6 M. X. ?* f4 t) Z
0 @) z- \3 |1 {8 b, l! k% W1 d1 ?// Set the DISPPARAMS structure that holds the variant.. r8 T7 y& \9 ~0 C4 C4 |
' y" W/ B6 U) }4 f: g0 P dp2.rgvarg = requestVariant;
9 i: b* |% O" E dp2.cArgs = 2;7 n4 C& E7 I" I" w. z( _- ?
dp2.rgdispidNamedArgs = NULL;6 P* G% m5 W8 `7 ~
dp2.cNamedArgs = 0;
% x0 L& [- R1 T+ o+ y' h! j, {
- R- K* N5 L8 f! v D var.vt = VT_EMPTY;# x8 U$ ~8 O ]: f1 p r t/ L% K
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// Call IDispatch::Invoke()% ?, B$ E6 k7 _+ {+ V( f
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hr = m_pDisp->Invoke(8 E& x* h5 f) R. A! U$ ^7 q
requestID,
; p# h; F3 ^8 ? IID_NULL,
% Z% r6 S( h3 C: X- @ LOCALE_SYSTEM_DEFAULT,$ Q' J6 h. M5 b
DISPATCH_METHOD,. c8 ~, i9 w$ f/ N1 v4 e2 S0 k$ }
&dp2,8 a' R+ ]6 ?' V# [8 W
&var,
" v. O+ \6 R/ O0 c4 ]5 r &ei,
' ]6 q9 c3 M7 m' C0 Z% {6 V* z0 n &uiErr);
) n/ m; y p; \5 s& d
7 D1 F; `2 R1 t. A2 [6 p3 z$ j SysFreeString(topicStr);
" o' ~+ r0 Z/ S SysFreeString(itemStr);1 I9 A. w/ F( f
请问该程序是获得extend里面的哪个值?) p" [$ w- I! m6 W4 z
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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