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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:
9 Z. ?: |/ P9 P! {, U( n; G% mName = (WCHAR *) L"Poke";8 C8 ?$ a' N8 {: X
1 I) y) a; h: T$ m! C' [ hr = m_pDisp->GetIDsOfNames (
7 _. o& I9 _0 l4 I, F2 W& ?$ | IID_NULL, // reserved
5 ~ P" D! J% n* c1 J &Name, // Array of names to get IDs for/ t2 o' R& C& @
1, // # of names in the array
Z+ v) [6 m& e; \) {/ n) l. U6 e LOCALE_SYSTEM_DEFAULT, // System locale( ~, [ r7 l1 ]; T4 X1 I P* f
&pokeID); // Array of IDs to fill on output( z* f; \/ @9 u/ I
5 X8 g6 h. m5 x1 \6 W if (hr)# S H+ Y( P; h9 ?" t
{
, E0 k) B8 O y+ |# {+ R7 g6 ^+ ] MessageBox ("Get Poke Unsuccessful");! M0 g' Y; y4 T" q; K
return;# C/ B$ f2 L# z/ J; L
}
0 p+ A; @0 Q c0 O$ V, {2 [& w! H$ M
/**************************传递数据给extend**************************************/6 B, i6 l3 }8 y5 `
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 h Q) e4 p8 G8 O
5 t) s" F# t! f& `! f0 e
valueStr = SysAllocString((WCHAR *) L"1232");3 @! n/ e3 P+ @5 ]
VariantInit(&pokeVariant[0]);
+ |4 R* D1 L7 v6 R5 l1 w3 j) E pokeVariant[0].vt = VT_BSTR;
" D0 o: h% {7 [0 l+ n pokeVariant[0].bstrVal = valueStr;/ [& @2 d" r* ]; \ ]* p5 t
" L X( r2 S* W2 ~. K itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
^ r( C0 H) `5 G VariantInit(&pokeVariant[1]);
Q6 {* J+ C* w pokeVariant[1].vt = VT_BSTR;3 v$ j* S: e6 S
pokeVariant[1].bstrVal = itemStr;0 ?* x7 L5 D9 b9 O0 |) a) i* d9 ^" V
1 L, f$ J3 l! d, }2 x* Q, d topicStr = SysAllocString((WCHAR *) L"system");% M$ z8 w2 [1 G+ }
VariantInit(&pokeVariant[2]); $ X, x( l$ r( A0 M# L) R
pokeVariant[2].vt = VT_BSTR;/ J1 s8 L( ~7 m3 O. o/ R" S0 c9 ]
pokeVariant[2].bstrVal = topicStr;. I( m2 a: x( g5 B5 m6 t" Z# {7 P- M
* h9 U3 B8 `+ F( ?" {
// Set the DISPPARAMS structure that holds the variant., P: J' j2 q, m3 B+ ~; Z& c/ Y
! l5 v5 E0 }3 O
dp.rgvarg = pokeVariant;' h1 Y* C9 ]% A
dp.cArgs = 3;
5 C( p& q/ ~ D dp.rgdispidNamedArgs = NULL;! [% t# J* f& o# I% G
dp.cNamedArgs = 0;
1 B) W+ q- z7 Q- V
! ^* U$ V' F; M6 k) \. H8 s* w// Call IDispatch::Invoke()
2 @ H1 n2 z! q% u; J2 H. f3 q/ p4 j! P& k4 | n: c2 {
hr = m_pDisp->Invoke(
# x1 E- u* l: c5 j- q; I* d, c pokeID,3 {$ H+ u4 [6 j! D
IID_NULL,! ] G* ^! [3 S/ h1 f% Z
LOCALE_SYSTEM_DEFAULT,( L) ], t) s: O* H2 H1 E
DISPATCH_METHOD,
1 y4 @7 d4 c0 O1 i4 L0 ~ &dp,
; Z6 L; ]0 m. l NULL,
% P- k. {, }1 v: | &ei,: B3 P# r* H( o) W& r% d
&uiErr);
+ m0 e- D2 [$ @" Y- ~5 }
( a0 n2 N3 Q# v5 k" t' c4 { SysFreeString(topicStr);; }6 M: x5 N! t$ E8 ]$ X
SysFreeString(itemStr);2 W, |5 e* R/ H
SysFreeString(valueStr);- V9 T3 U |7 M- a: }/ y
4 ?& s# k4 P4 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???
, G$ T: Q0 I( z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- x9 P* E9 J
3 ]3 N# f1 o+ t# @ N
. D5 g' T9 Q; c! B6 w4 L6 |4 x7 u2.这是request的程序
8 j( y; U3 x; d5 X" E) @// Request a value from Extend
; m; v. I5 u* N& x//
/ I* _& [: A( Q) Z; N [// Initialize the variant that will hold the BSTR. Set the variant's! x& {# ^* X. H; Z
// type flag to indicate the fact that this variant holds a BSTR. Place the
" V% b- U' N! T! l0 X" ~// BSTR into the variant structure.0 |9 O3 [, O8 K7 p v3 {
/ j$ t2 n) f& _) Q# R1 Q
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
7 W+ B6 f. B" Q* A& O2 T9 q% S
: u' c3 k" R# d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 L( F$ ]+ A' O. A
VariantInit(&requestVariant[0]); ) C! r5 q5 X5 U( t" P) o' D
requestVariant[0].vt = VT_BSTR;
6 z8 a" V% C) T5 T$ K, K: P0 A requestVariant[0].bstrVal = itemStr;
6 x4 A8 r9 t% B. [) }; e& \
* b. B9 r" O) @3 N' h$ N$ s' o topicStr = SysAllocString((WCHAR *) L"system");. v% W0 e* D& L" i% W
VariantInit(&requestVariant[1]);
1 G! W6 O/ T$ _$ s requestVariant[1].vt = VT_BSTR;4 g1 z7 V. Q) l( O1 i- @
requestVariant[1].bstrVal = topicStr;
3 E& J6 D- `# _( z6 `4 |: T6 m" U4 J0 u. e) w' N2 @$ k/ A' h, E8 z) {
// Set the DISPPARAMS structure that holds the variant., b$ c3 b, ~6 I. `; d% }6 r: p9 {9 H
* X" i7 `" T1 ?' G4 G dp2.rgvarg = requestVariant;4 t) d! x; U9 E4 ^" ~
dp2.cArgs = 2;
; k! O% H. z5 H7 |& O+ E; B2 V dp2.rgdispidNamedArgs = NULL;
( r2 S* N! L: y' `. k0 { dp2.cNamedArgs = 0;
7 a- M0 |3 {0 Y
3 {- M" z6 u: ~/ ?9 s: Z* V var.vt = VT_EMPTY;
( {) _% `9 J1 j/ M% x" _ e! G/ I# m, w5 X8 u' _3 Z" a
// Call IDispatch::Invoke()
) f+ P) T6 V* M' m3 w4 `6 v& Y) k/ q* O2 m$ L9 d4 e; K
hr = m_pDisp->Invoke() [7 x0 T- r& Z8 F+ o
requestID,; ]7 e8 F. n$ F A* W- T
IID_NULL,
6 Q* {5 }, ~# `/ k8 p LOCALE_SYSTEM_DEFAULT,
6 H# l r. }3 {' l& O1 f DISPATCH_METHOD,
8 r" d% m5 v( ^ &dp2,
( x R: y6 Y( w& g2 G &var,
* U8 q& ^5 K& ^0 ~6 D &ei,
7 R5 L P* b8 H' _' i+ _ &uiErr);
: |$ j. W4 U5 p7 [9 L% ~% L1 F* U- Z6 O3 X% l6 _5 E- b0 ?7 `
SysFreeString(topicStr);, T0 Q" U# t- ?' ~
SysFreeString(itemStr);
5 \0 v6 [# f+ {) X! w$ }请问该程序是获得extend里面的哪个值?2 w" q" s5 n. n+ v4 g. F
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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