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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& p% ]' F4 S3 J" S! |0 oName = (WCHAR *) L"Poke";& z5 I$ \9 b5 D% V
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hr = m_pDisp->GetIDsOfNames (7 ^+ i( f* ?5 a! x
IID_NULL, // reserved1 o o0 c1 i* y+ G+ c, g" @+ N
&Name, // Array of names to get IDs for6 d2 Q+ W% ^' H2 @
1, // # of names in the array
1 Y0 |0 J6 c. } LOCALE_SYSTEM_DEFAULT, // System locale
1 u, W- T2 q0 P &pokeID); // Array of IDs to fill on output
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0 T/ u# w2 J+ ]4 |& B if (hr)
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MessageBox ("Get Poke Unsuccessful");
/ x* l! ^" w4 ?% u8 J return;0 U7 J) Q8 p6 p4 y& t
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/**************************传递数据给extend**************************************/, E) Z, P. ?* C
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
% x: E8 P' p) w4 n
% s! s/ A5 A5 B5 U( Y9 Z# T valueStr = SysAllocString((WCHAR *) L"1232");" S& a+ r8 S: b+ T! o( t
VariantInit(&pokeVariant[0]);
0 b, Q- o8 Q( p% l pokeVariant[0].vt = VT_BSTR;
0 f5 E1 C* D7 w pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; D4 _& P: h" ^. e3 Y6 a8 E VariantInit(&pokeVariant[1]);
- ]/ B; L$ H4 \ pokeVariant[1].vt = VT_BSTR;9 {2 z+ t$ ]- F* U
pokeVariant[1].bstrVal = itemStr;& Q* L) I$ B+ D+ x
7 G. l; T- _8 [ topicStr = SysAllocString((WCHAR *) L"system");; p1 ]- ^; }. c: D4 S) C
VariantInit(&pokeVariant[2]); : T& ~/ Z9 s1 `
pokeVariant[2].vt = VT_BSTR;
1 x Y4 S5 j' d- ? | pokeVariant[2].bstrVal = topicStr;! a' h: X/ v) `) L" C' K
9 X2 ?0 a0 {5 U% T W- K4 y7 N// Set the DISPPARAMS structure that holds the variant.% X/ i. x- P9 ~$ [% W
/ \! `8 K4 d3 O3 U+ p' L dp.rgvarg = pokeVariant;
, k* Z# o" v. y8 [" y0 N dp.cArgs = 3;
9 \+ l2 M8 n+ W% P3 ~, P" G dp.rgdispidNamedArgs = NULL;! e- } M# d1 @
dp.cNamedArgs = 0;( _, H6 U! Z' B# q1 Y
2 ` l9 `/ A1 H" v// Call IDispatch::Invoke()6 y ?) V- w: \$ K6 D6 x, p% Y
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hr = m_pDisp->Invoke(
4 U9 o, F4 g+ L' d pokeID,5 {. _# c4 A6 h1 j* B
IID_NULL,7 B9 V" k9 u! n5 X, O! L }
LOCALE_SYSTEM_DEFAULT,
) A) I. l3 K! }/ C/ U7 K DISPATCH_METHOD,
2 y, S/ `$ V% u! L. z3 k &dp,
1 F$ K- ?) t# h) l+ R5 e1 v NULL,
* g) ?! r) R2 c/ z9 R( v$ ]3 G &ei,
; R0 y2 `" r) h; H2 g. @) ? &uiErr);
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( A, E* A" Z* h h/ v SysFreeString(topicStr);
' |1 v. S) @# T SysFreeString(itemStr);3 A% P r% g: M/ ~3 X% t: ]
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???
7 S4 U/ a& Q7 O4 Z0 q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 o) W% k$ P/ k# P
// Request a value from Extend4 B0 K6 o+ f. o# o9 d$ }) |+ v
//
5 Q5 E# x0 b5 Z' x/ ]// Initialize the variant that will hold the BSTR. Set the variant's8 x* i8 j. R; u6 R% C; l" j; o% \
// type flag to indicate the fact that this variant holds a BSTR. Place the
& {% X3 V2 W4 f0 ]8 s// BSTR into the variant structure.
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8 g# k5 j5 k$ q( f requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
0 x9 @( b4 |+ i% \9 x " i! u [$ n7 V( Y5 Z2 D8 E: }
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. X" d& r( t1 m; ]. V VariantInit(&requestVariant[0]); 2 H% h' P: S' D
requestVariant[0].vt = VT_BSTR;
* e0 {# R) i5 ] e7 ] requestVariant[0].bstrVal = itemStr;
4 `9 \0 y Z: \+ P- a
3 i' r$ T) e$ @1 |8 |* a topicStr = SysAllocString((WCHAR *) L"system");
9 B/ n6 C" h- y VariantInit(&requestVariant[1]); 8 g3 Y1 l0 r5 ^) M0 I
requestVariant[1].vt = VT_BSTR;
: x5 Y1 S0 R& O5 H5 B/ i) ? requestVariant[1].bstrVal = topicStr;
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( v, |2 I3 o8 T" g5 K$ L, u- ?// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;5 [+ O% J1 e; I% C
dp2.cArgs = 2;+ N) ]+ C6 Q2 _. s
dp2.rgdispidNamedArgs = NULL;( a2 b* B1 e6 F5 F% k" v
dp2.cNamedArgs = 0;
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$ O: _+ C- ?# a; N var.vt = VT_EMPTY;
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* l! C" p$ P/ `0 y2 M// Call IDispatch::Invoke()& L: y g, ^ w( B" w
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hr = m_pDisp->Invoke(
9 H& `. P4 N3 i requestID,5 \* j" @: j+ M" W( R
IID_NULL,
) }: @- \% r/ G8 U" r LOCALE_SYSTEM_DEFAULT,
" |3 f" W4 }# R( \- l8 F* d DISPATCH_METHOD,
/ e( d7 H: q4 L5 }$ I! s4 C* h! X" ^ B &dp2,5 d8 u, j) ?5 z4 `9 D4 J! e7 d
&var,5 Z8 ~1 A& \7 U. {# M4 s! b7 O0 A
&ei,* w. e2 x* E2 K/ [+ M$ z4 ]
&uiErr);# e4 ]7 H M$ ]8 v( p
d- j4 r. G0 ~4 t" L n SysFreeString(topicStr);
/ O- F+ b! Y# o: K+ ^ SysFreeString(itemStr);
9 O, V% o' `3 O! K: U请问该程序是获得extend里面的哪个值?
3 [: B( g- s% ^+ ?! d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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