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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:
% S0 Y. d: o7 W6 k4 s9 e; P' DName = (WCHAR *) L"Poke";8 Z: |$ J8 J9 @1 ]- Y; x+ z8 x
" z+ R5 K/ e4 p hr = m_pDisp->GetIDsOfNames (+ v3 R/ P# R7 \0 C" z- Y
IID_NULL, // reserved% ^5 }* R5 l# d* Z. Q
&Name, // Array of names to get IDs for6 y9 c( r( a+ E* S0 a
1, // # of names in the array1 T3 o5 A8 w* \9 j/ ]
LOCALE_SYSTEM_DEFAULT, // System locale; v9 ~# L- a, m! f
&pokeID); // Array of IDs to fill on output# Y5 Y- }+ r8 U* T! a" r' ~ A
& D1 G3 c; D, \" T1 k1 J
if (hr)1 v |' d- ^2 k
{
m3 p( f, [+ O, C MessageBox ("Get Poke Unsuccessful");
! {5 R/ K$ m. _% }4 Q; M return;0 W$ _6 Z# V4 D6 {
}
/ p7 W5 Q7 {8 g, K7 @
% B# \6 G: N$ S" ?( l* A* V/**************************传递数据给extend**************************************/
5 j) j$ u% f: o7 {7 F0 c pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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7 Q4 t8 E: b7 C+ |6 q7 x; K valueStr = SysAllocString((WCHAR *) L"1232");
" d: Z4 _+ C$ @; C VariantInit(&pokeVariant[0]);
4 r& F( D6 B3 w& W* a8 D8 h$ T" P, c pokeVariant[0].vt = VT_BSTR;
' g9 e/ _: F2 A# T' f pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ p& E& D$ S8 `- ]4 ~7 u: H H0 p VariantInit(&pokeVariant[1]);
0 e) N. f& O9 b+ Z, D pokeVariant[1].vt = VT_BSTR;" I( U) q" y1 x! u
pokeVariant[1].bstrVal = itemStr;& ]1 K, w$ {2 J' V: j$ l6 G* M
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topicStr = SysAllocString((WCHAR *) L"system");
" i( b+ x8 J% V$ s7 n# j. z VariantInit(&pokeVariant[2]); |" E1 i. j) I) f1 N: F# \8 l z
pokeVariant[2].vt = VT_BSTR;( a/ P$ @7 g3 L4 C" U3 J( Q
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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9 A7 O* N# T2 g. s6 f dp.rgvarg = pokeVariant;2 Q9 H4 s/ I. P- L- p9 t: V# f
dp.cArgs = 3;3 K& Q0 N. e' t, n4 O# ^) M
dp.rgdispidNamedArgs = NULL;
2 z7 ^9 [" Q0 h" N* D) G/ t dp.cNamedArgs = 0;
' {) ]1 x5 T- R" [
. R7 i* b$ M# d9 R: M* z l// Call IDispatch::Invoke()
6 ]: z: ]) x% Q& K. n3 E" i' R8 V
$ i, l0 a2 K' b; f! c$ J1 T hr = m_pDisp->Invoke(3 Q2 n" U% ]6 {
pokeID,: K# V" u; V& c7 P- f
IID_NULL,
9 d( N3 v7 k r) W LOCALE_SYSTEM_DEFAULT,) D# g5 y' k# R8 Y8 t9 f
DISPATCH_METHOD,7 R( | u+ s1 l. G w3 h
&dp,
% s) F8 l0 i; z% H- b" _' E NULL,
: f# Q9 z7 }2 r# w &ei,
- E0 v% f$ J2 v, U+ f &uiErr);
0 d- g& t# f$ Y, c0 \1 F0 j" ^5 |$ V2 q; [1 X
SysFreeString(topicStr);
6 W1 p* d; T; H; m; Z) h SysFreeString(itemStr);
/ Y9 R5 a0 G) b" \2 } SysFreeString(valueStr);
8 y& m0 a# @& L; L, D( p) X/ C8 J$ }4 G2 e& Y
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???
5 o! t) a) s! e( G. S/ k {' E+ 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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+ T/ E! [, p& y. g0 V& \
2.这是request的程序
1 Z* T! C( H# r8 ?" Q/ M// Request a value from Extend5 b$ b) G& T( _% y5 w
//: S) v% Z. Q7 _0 q
// Initialize the variant that will hold the BSTR. Set the variant's3 K/ d6 C' d# t* \- p2 E
// type flag to indicate the fact that this variant holds a BSTR. Place the* ?2 D2 ~; T* p& y
// BSTR into the variant structure.) g( f+ j: l0 A g% i. }
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* G0 z w) @: a0 @ VariantInit(&requestVariant[0]); - e& f1 b( j( G
requestVariant[0].vt = VT_BSTR;
0 Y8 C5 a4 i/ F requestVariant[0].bstrVal = itemStr;% N4 q! m$ J6 n* a, q% @9 ]6 G) x& X
1 a. {6 s( _2 l' c9 S
topicStr = SysAllocString((WCHAR *) L"system");
+ j/ d; N4 P9 O/ t2 _: ] VariantInit(&requestVariant[1]);
h7 [! o. I9 D1 o requestVariant[1].vt = VT_BSTR;
, Y8 w& H( R! R requestVariant[1].bstrVal = topicStr;7 `' R$ M) ~* m5 g3 b* u
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// Set the DISPPARAMS structure that holds the variant." a) m: M0 z# T* z1 }1 [! }
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dp2.rgvarg = requestVariant;6 L/ M+ ^1 E( U) f) H
dp2.cArgs = 2;
) B! b; m4 j4 B* o$ N dp2.rgdispidNamedArgs = NULL;
0 ?" B2 s3 X2 Z6 `3 K8 u+ J dp2.cNamedArgs = 0;& X+ c* j$ [& e8 c8 {2 u! ^$ ?: o$ q
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var.vt = VT_EMPTY;" ?. A' _( [) r8 f5 G3 s( L, b6 d
4 @% i2 w, z1 t0 N// Call IDispatch::Invoke()
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5 h+ L6 E% F- E/ t4 x) v hr = m_pDisp->Invoke(, w0 @/ F. L7 |' V/ G. t! j5 B
requestID,. W4 p" ~# Z" D6 n, _5 q" C
IID_NULL,
/ h; w0 c3 P, ^, n LOCALE_SYSTEM_DEFAULT,+ G6 [( S8 p+ `4 _' H' |
DISPATCH_METHOD,
" E n% U& J, w- u( K+ s: Y &dp2,- K6 m/ H9 v) a. n) y
&var,' ] ?6 C: ]) c- g- N
&ei,/ A _" x/ D9 |4 s
&uiErr);% G; O, D* k2 N2 v
' l/ V$ J) ]' ]! m
SysFreeString(topicStr);' [% U m# P/ f
SysFreeString(itemStr);
4 e- n" J# t2 m请问该程序是获得extend里面的哪个值?
/ S! h: V8 ^. ^/ T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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