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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 A. }! @2 s6 M6 v+ T8 Y0 x* PName = (WCHAR *) L"Poke";
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0 ~+ c/ O+ i3 m1 u& [ hr = m_pDisp->GetIDsOfNames (
0 N5 v! U$ S: B4 `' b) Z IID_NULL, // reserved
9 Y# q$ [, h& C+ {8 t0 m |2 X &Name, // Array of names to get IDs for
& q: S9 N, m# ^- B 1, // # of names in the array
Q: u# z9 Y5 g2 \ LOCALE_SYSTEM_DEFAULT, // System locale
4 C h. ~7 ]. T5 O, w# J- ? &pokeID); // Array of IDs to fill on output
6 ]/ A3 k l1 l, i
; G1 Q8 B- ^$ l# Z if (hr)
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MessageBox ("Get Poke Unsuccessful");* \- t6 }0 ~1 @8 T, D" p
return;
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/**************************传递数据给extend**************************************/
. Z/ S' d- T* \, m' d3 { pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);2 Z/ Y4 l" `2 o5 m: y. ~/ @: W
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valueStr = SysAllocString((WCHAR *) L"1232");
5 A: Z- ~ u; [/ Y* ] J- J5 ^" S VariantInit(&pokeVariant[0]);
6 R3 Z, P ~5 c- e c) n pokeVariant[0].vt = VT_BSTR;0 s% Z2 }6 J; p- b5 U+ k% U
pokeVariant[0].bstrVal = valueStr;
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- q6 u7 ^! `9 x q1 Z3 R" l$ m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- D* l9 z( n7 n
VariantInit(&pokeVariant[1]); & l( P2 X0 [+ v* K) u+ i+ X
pokeVariant[1].vt = VT_BSTR;
5 e3 X5 ~, Y( B! e: [3 G2 `. ` pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");3 Q8 u8 f R8 i3 a1 B B
VariantInit(&pokeVariant[2]);
' E. ~. i1 v, ` pokeVariant[2].vt = VT_BSTR;
3 x' Z, ?0 I# D' |2 q0 ~ pokeVariant[2].bstrVal = topicStr;8 m0 |( D& Y9 }( k4 B y
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// Set the DISPPARAMS structure that holds the variant.
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1 w# G& |4 B" k5 G6 y* E dp.rgvarg = pokeVariant;
; d, I0 f% K& u3 N0 a dp.cArgs = 3;- a5 ]. U5 X# w) h
dp.rgdispidNamedArgs = NULL;- @% s9 L0 U1 f! v
dp.cNamedArgs = 0;0 s! ?' N# }0 o$ O7 Y' x" y% B
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// Call IDispatch::Invoke()/ \4 T8 Y2 J) S
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hr = m_pDisp->Invoke(
* H% n3 j+ b- g pokeID,( ` v! ^9 X% K
IID_NULL,6 R8 E# @6 n8 a% \6 g
LOCALE_SYSTEM_DEFAULT,
% I" K: [ p T+ l5 k) G+ d6 i3 f DISPATCH_METHOD,
* q2 [7 X* p0 m# K( _( j' X5 l &dp, @3 b' z2 w, c- b3 U
NULL,4 n* u* W3 o8 `- H! g& P) }
&ei,/ O2 g: k1 a: t. t2 G8 x* }) t
&uiErr);( l8 i7 D* [8 p
" H) T) l( v4 y# s; P0 T SysFreeString(topicStr);
- o+ r, j' g4 L! `' u v1 ] SysFreeString(itemStr);1 n2 t7 ^, D6 }3 C4 C
SysFreeString(valueStr);9 t; F" B T( a9 C1 T8 j# X9 V" Q7 p
6 E/ b% Z/ I/ F& `, f 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???
# ^ l& |2 L( X# L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 b# d0 l6 _, ~" r
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2.这是request的程序$ P7 W W3 B) X
// Request a value from Extend* V0 p" o8 M8 o A1 k @7 C
//5 h! l+ Z% H0 B5 O- d% g
// Initialize the variant that will hold the BSTR. Set the variant's8 w4 t2 a1 w$ ?' y( _
// type flag to indicate the fact that this variant holds a BSTR. Place the
' T6 x& K+ R' @/ R5 N( k$ H// BSTR into the variant structure.; [4 y) i4 g, k9 u
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 \* `0 h0 k: e# _# \
VariantInit(&requestVariant[0]); # q# d5 C) Z: Z3 x. Y( i
requestVariant[0].vt = VT_BSTR;) q% s% z. W' | v3 g& g8 N x) X
requestVariant[0].bstrVal = itemStr;
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5 {6 a8 r& r7 Y" r; ` topicStr = SysAllocString((WCHAR *) L"system");; R) A! ~/ D: r- B, Q0 m9 w- t
VariantInit(&requestVariant[1]);
* w+ G- E8 S% n* { requestVariant[1].vt = VT_BSTR;
* z3 m+ A6 p% Z: d2 Z8 w requestVariant[1].bstrVal = topicStr;- F# ~/ S% `! a2 ?6 | p( `$ V0 @
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
$ K. ^. ]8 X1 @9 N dp2.cArgs = 2;
3 `' ~( h8 z1 F4 A# P dp2.rgdispidNamedArgs = NULL;
7 t3 V$ \0 \8 T* { dp2.cNamedArgs = 0;7 h1 }0 A, o5 u; V
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()) s7 `7 l1 S$ L" Y; Y/ _
4 B# g4 e. \: E) e% U( p hr = m_pDisp->Invoke(
( R$ J3 L/ i% V6 d+ W F8 H, U requestID,! n( J3 \2 t5 w" j: ~$ ^0 _
IID_NULL,; }# i5 _! K8 Z/ \* J* o
LOCALE_SYSTEM_DEFAULT,. n2 y ?1 H8 T6 _0 n1 `( ~- C7 u
DISPATCH_METHOD,
* i. s' z' Y4 v2 F0 a! y0 L' P P6 Y &dp2,
) r+ @$ P6 v* {, O &var,2 J! z1 F; T) s; p$ V# y2 G
&ei,) u* J/ M. J8 Z9 p0 J7 c
&uiErr);' n/ ]' q0 T0 V$ {- R+ K
2 I( ]1 U9 _! B6 j J SysFreeString(topicStr);5 f$ k, E8 p( b: u. j& F
SysFreeString(itemStr);+ l/ Z; C$ h- n
请问该程序是获得extend里面的哪个值?
0 \4 v1 h* R2 @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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