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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:6 B: `' {) v6 t0 W
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (/ Q3 e8 e" D5 Z. M
IID_NULL, // reserved
. N9 ?+ t/ Y- r &Name, // Array of names to get IDs for9 G' \- i* L: O& T8 }5 E' O
1, // # of names in the array
' {0 F9 H" X( m; C LOCALE_SYSTEM_DEFAULT, // System locale
; G0 j/ N3 Z. ?) E' c* f; k: B &pokeID); // Array of IDs to fill on output
+ C9 }) Z! V* m+ d' b# _ ( v: {/ V" ~5 f6 E
if (hr)5 t: \8 p e( z. l
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MessageBox ("Get Poke Unsuccessful");0 Q# C1 e% s% j2 e; k2 R) h
return;" X5 |* }7 _9 R4 @
}
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^% x% k- P% `- U6 ^/**************************传递数据给extend**************************************/, J; p4 G: H2 z h; c! m
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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( V( g6 \: V1 G4 }5 H% z valueStr = SysAllocString((WCHAR *) L"1232"); s9 j& a5 O, r* o% v: I
VariantInit(&pokeVariant[0]);
; B0 Y3 }! _, K8 B+ q& M pokeVariant[0].vt = VT_BSTR;, h5 ?1 e$ V! E5 {
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 M% U$ W) b7 S, o$ x0 \8 o( L
VariantInit(&pokeVariant[1]);
, F" H# S! K' v! c pokeVariant[1].vt = VT_BSTR;) m9 n: e. g' m9 J( T
pokeVariant[1].bstrVal = itemStr;
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8 |7 F6 J# \! D$ F7 Q4 G4 k topicStr = SysAllocString((WCHAR *) L"system");
! E3 F7 |# {" ~) l0 O) P0 [ VariantInit(&pokeVariant[2]);
9 R# W& w) Q5 t0 \% I pokeVariant[2].vt = VT_BSTR;
3 c! k5 J0 ?8 D6 }/ e+ t pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;* Z7 w3 B5 t6 w$ I- N
dp.cArgs = 3;
/ }+ \3 f+ g! l x. S dp.rgdispidNamedArgs = NULL;
1 G5 @, S: Q2 _ dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
) m2 H) N7 s$ [ pokeID,( S0 F9 w1 n3 M( M1 H* V$ U
IID_NULL,
& P# d+ g) C+ H3 D LOCALE_SYSTEM_DEFAULT,
3 u* L( q5 V @2 }- L$ }: | DISPATCH_METHOD,
+ D: C1 L E$ f h# L &dp,' U, R# F5 a; k% i. G3 d
NULL,4 ^% _+ D I7 U9 J. U
&ei,. @4 X! W+ d- e# X2 N. A
&uiErr);" @1 P2 a9 W; w. ^9 B+ ^3 _
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SysFreeString(topicStr);
( z {" s* J4 M SysFreeString(itemStr);
$ Y3 O% c1 n2 J! c! b/ P% w, t3 U SysFreeString(valueStr);: C) d; x P1 D6 M& N& ]
; }3 ?$ ]# b% N; `' V
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???
) M/ f8 w7 Q x! s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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0 @& ^9 ^* D+ ~7 A* k3 n4 J2 e2.这是request的程序4 P! `& I; N" Q; B* r
// Request a value from Extend \, z1 D/ C% L6 h. G2 N4 A
//
3 n$ H+ C8 X/ o8 d5 s// Initialize the variant that will hold the BSTR. Set the variant's
! Z* o m0 J3 u8 e9 n( \6 @// type flag to indicate the fact that this variant holds a BSTR. Place the
" q/ G* f% k; u9 h* U: i// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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- o1 N9 ?, W0 D7 i; i2 p itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ w A! r" B# r5 s* m7 C VariantInit(&requestVariant[0]); 9 x; B1 B/ W3 c. g0 `
requestVariant[0].vt = VT_BSTR;
0 K. {% q, [0 j9 E4 t" h requestVariant[0].bstrVal = itemStr;
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, @7 p7 T( B7 n topicStr = SysAllocString((WCHAR *) L"system");) F# X9 i9 F+ x( B1 Y. _. f; P
VariantInit(&requestVariant[1]);
- X& Y+ z/ ~% R, ]8 o3 W8 Z; E# f0 f requestVariant[1].vt = VT_BSTR;
0 e1 ]4 u( r; m) n1 Z8 [$ `0 @ requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.7 h+ t$ `* J9 I# q4 a9 T
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dp2.rgvarg = requestVariant;, {1 B: P; Z7 n7 ~: C1 _# w
dp2.cArgs = 2;" Y: U) U/ N8 s
dp2.rgdispidNamedArgs = NULL;
5 b: g) F- P4 T0 X7 n6 V: l dp2.cNamedArgs = 0;0 u8 Q- O3 W- V; e
8 _% f3 }9 Q6 q" c* L! P var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()1 z$ u9 a5 y3 j0 P& H
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hr = m_pDisp->Invoke() l' f, H' A- p
requestID,0 x# {- Q6 }6 B: Z( K
IID_NULL,* T9 b2 _5 J) V: B
LOCALE_SYSTEM_DEFAULT,
2 i1 p) R" }; e( U- g DISPATCH_METHOD,
7 _& l" w4 w/ \9 L; K c% e &dp2,
; G N6 Q- I) W, E, `5 [+ }' w &var,
& T+ _ Q" H/ k5 J9 A( B u &ei,
; e6 N9 F6 V& p1 Q &uiErr);
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SysFreeString(topicStr);
; ]( ~5 s& r- j7 @' Q) x( U SysFreeString(itemStr);
w7 R3 ~+ F& n6 ~% r& X6 d$ N$ R请问该程序是获得extend里面的哪个值?
; M. t% r# p* g6 u Z8 k4 [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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