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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:
8 d/ A: d! k% LName = (WCHAR *) L"Poke";
# i6 }- Z6 ]6 l! @; I7 Y4 p
; F# q6 ~0 d4 V% z& }/ U* S8 d hr = m_pDisp->GetIDsOfNames (' T% }/ g. U. u& f
IID_NULL, // reserved
2 v G' \0 z. J1 [# W" i+ j+ _ &Name, // Array of names to get IDs for/ E) D g! V7 O9 q! a
1, // # of names in the array
. J, Q3 c- X" |- Z) B7 A LOCALE_SYSTEM_DEFAULT, // System locale
! l. D a; k% a9 w &pokeID); // Array of IDs to fill on output
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if (hr)# s( {8 x# u& R! A7 t+ O
{3 h5 x) C8 O% D& j9 ?
MessageBox ("Get Poke Unsuccessful");( @8 j$ Q3 m7 S% C: P" m
return;
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4 `; e( z \0 e0 A" P/**************************传递数据给extend**************************************/
9 D. c/ b& l; Z( j" \6 N6 z( c pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");7 w# f4 \6 L: S7 j& C4 Y5 j# m9 z; n
VariantInit(&pokeVariant[0]);
$ s3 q: l- A2 E L [& I pokeVariant[0].vt = VT_BSTR;
# {% D+ k2 k B3 w pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 I3 I- q4 V3 \ VariantInit(&pokeVariant[1]); # k8 O4 r3 x9 _5 T" r$ m J
pokeVariant[1].vt = VT_BSTR;+ Y5 |5 r. Q- `0 v; d3 N7 Z
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");; G. k7 S' U$ ^; S- N1 d5 l
VariantInit(&pokeVariant[2]);
# p7 I1 Z6 p c% T& s pokeVariant[2].vt = VT_BSTR;
8 k x6 @" B: w+ r8 L5 x( u pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.1 b2 \' [ }" z) B% X/ _, H
: {) m: X3 I2 v/ J2 ` dp.rgvarg = pokeVariant;
$ ^2 y5 Z% d8 n1 \" t8 M dp.cArgs = 3; d7 A& P" P/ \! H9 D
dp.rgdispidNamedArgs = NULL;8 `$ I9 l3 b2 a
dp.cNamedArgs = 0;1 A" |/ u- } D
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// Call IDispatch::Invoke()
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! C+ D0 m E9 l) P- F. B% o# R hr = m_pDisp->Invoke(
" r& t0 J) {: U2 J9 R/ Z9 I$ b pokeID,
+ y+ M! P! @' U IID_NULL,
8 E# ]$ L9 b! @5 s" A/ n- m LOCALE_SYSTEM_DEFAULT,4 ?4 B( _6 e8 h4 U% `% x# h
DISPATCH_METHOD,4 ~$ ^4 m% h5 B0 A$ E
&dp,6 W1 \: Z& H& S
NULL,$ o: N$ ?9 S: b, K& H4 |, e
&ei,
4 \5 N w) C$ [ &uiErr);/ M( i' D7 j% @' Y+ K6 h# S$ p& u
2 U& v# U% s; ~$ [5 G) D( {
SysFreeString(topicStr);
9 k, K4 M" w+ I# V# X; K4 S) S* X SysFreeString(itemStr);
2 R! d# f- C. p SysFreeString(valueStr);
4 q0 p$ g0 E( H1 I$ L& r' Z1 J8 w7 h7 a: o4 _ H' ~
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???
H- i/ U3 Q& @' W2 o, n( C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????$ j' r! ^9 R/ C- u1 s' E! l
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2.这是request的程序
# y0 N. q( J5 s0 X6 [ T4 X% r; \// Request a value from Extend0 n, F& t' A+ ^3 M3 a/ _# X) f
//7 [/ f& ^6 [5 o% Z+ b0 o7 P, i5 {1 M
// Initialize the variant that will hold the BSTR. Set the variant's
- T' A$ m1 t2 A _// type flag to indicate the fact that this variant holds a BSTR. Place the, G5 N! `" N" x8 F
// BSTR into the variant structure.. v1 R! y8 O, n$ \ O
9 L* @6 d, E4 z ^, m# o requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
0 y; m6 k* [- u8 {3 B
: F( K7 X5 y% u P itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 T( |# h) F0 X2 V) B, K. r
VariantInit(&requestVariant[0]); 7 c8 }. |# k( P1 Y0 y0 C
requestVariant[0].vt = VT_BSTR;
, J* c9 m) }: @ requestVariant[0].bstrVal = itemStr;
+ y; P1 j3 {- m" v, L
9 P7 `8 j. p3 x4 e( U topicStr = SysAllocString((WCHAR *) L"system");
9 }7 z% M- R* ] VariantInit(&requestVariant[1]); & G4 _9 a L1 L H6 P, k' J
requestVariant[1].vt = VT_BSTR;
# {# K/ F4 h- s# r& Z) U) l8 e requestVariant[1].bstrVal = topicStr;
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X3 y5 o. u. t! b0 q4 g// Set the DISPPARAMS structure that holds the variant.3 F0 ~ ^: o& `) S+ ?
" E% v! |3 O6 t dp2.rgvarg = requestVariant;- e) F# a! z+ c% R
dp2.cArgs = 2;
, c3 }$ m) p; W; D" M+ s dp2.rgdispidNamedArgs = NULL;- c9 ` [: |5 Q% ^: s
dp2.cNamedArgs = 0;
/ n1 i4 e8 n! p% j \2 U! x
+ k: l$ c( w) l1 e var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
8 F$ s" t: k$ }
1 v. m0 R; \0 X* L* ? hr = m_pDisp->Invoke(: ~4 [, @1 e! z
requestID,7 w( p( o* Y% L x
IID_NULL,9 r- N+ o! E# \; ~7 _
LOCALE_SYSTEM_DEFAULT,
. n. u. H" x$ H DISPATCH_METHOD,
) R% w% g0 Q5 w% ?- k &dp2,- Z8 n- ^4 J# [+ p5 R
&var,1 z0 k9 N( H) k* z$ v
&ei,
& p7 w9 X+ @" a! r3 a &uiErr);
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SysFreeString(topicStr);
7 c7 F' p# |& H o! E: ^ SysFreeString(itemStr);0 P4 |% p c) F" ?
请问该程序是获得extend里面的哪个值?
2 A- O& Z8 u1 P2 `6 ?5 q7 r* W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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