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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:% T; [- r7 ^& h5 R" t
Name = (WCHAR *) L"Poke";! `* S8 a9 D" y# ~& E# u
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hr = m_pDisp->GetIDsOfNames (: H3 b+ V }" v' S( D7 k
IID_NULL, // reserved* p/ g p( R8 M+ m5 q. K& F# J
&Name, // Array of names to get IDs for/ E/ U' J9 P/ s7 h& h& e
1, // # of names in the array
( L( Q+ R" g3 u" Y LOCALE_SYSTEM_DEFAULT, // System locale- T2 r \5 [) x. H$ _
&pokeID); // Array of IDs to fill on output) J X' u! Z4 _, B
B* Y6 [1 \2 N, Y# X& R" E5 P
if (hr)5 H7 }" z; i0 _) E
{
5 W- X! G( [5 ~4 H MessageBox ("Get Poke Unsuccessful");5 T5 e# ?6 c6 M( O3 L. K
return;8 l, e# h$ ?' m
}
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" _# D, R& P1 Q/**************************传递数据给extend**************************************/
$ \& L. r0 L& ~- f# }# b4 M J- ~ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
$ L. d! Q# S- n5 h7 }
4 ]$ U2 \3 i2 p valueStr = SysAllocString((WCHAR *) L"1232");
0 a- O; p% F) ^9 {0 L# H L7 O% g VariantInit(&pokeVariant[0]); # C, s/ u8 @) Q; G
pokeVariant[0].vt = VT_BSTR;
0 Y5 Z: h% b' |6 [8 Q; z pokeVariant[0].bstrVal = valueStr;4 e8 w2 s3 ]1 |* z7 _
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 v2 Y' S$ G f6 u: X. q, `
VariantInit(&pokeVariant[1]); " N0 s& Y# W8 @" T. ? A
pokeVariant[1].vt = VT_BSTR;
* C/ J* n8 _' s- H pokeVariant[1].bstrVal = itemStr;0 `. q9 z# P+ L7 W! l" Q0 W2 l4 x
" X) S' c4 Y; |! k+ ~) q/ _8 Q* A topicStr = SysAllocString((WCHAR *) L"system");! j$ B% @0 p- r" b
VariantInit(&pokeVariant[2]); & Z* `0 M& M! v0 y$ V
pokeVariant[2].vt = VT_BSTR;5 k. ~& p9 q( |. e, }1 \% j
pokeVariant[2].bstrVal = topicStr;
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2 A$ U: I6 V6 N/ @// Set the DISPPARAMS structure that holds the variant.
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- A* D9 G5 r: R- w8 j$ @( [ dp.rgvarg = pokeVariant;6 i4 Y3 C/ J/ m8 |& a T) ~
dp.cArgs = 3;
6 c% z6 m: G7 M6 q; u9 x* ?+ H$ q dp.rgdispidNamedArgs = NULL;+ ]5 m9 A( n* H+ Y4 F% z
dp.cNamedArgs = 0;
8 K* m; L, x6 u& z
1 ^& d6 m I1 J* V// Call IDispatch::Invoke()
/ I7 W6 P. [! K2 H6 ]6 d& w2 P( u! ^* j& l1 u* G$ X' W
hr = m_pDisp->Invoke(
' S; n3 F6 Z4 s& z1 L( a% ~' e pokeID,
: x, L4 Q( [ ?. q& N IID_NULL,8 `' Y& f$ w* j
LOCALE_SYSTEM_DEFAULT,/ k" P$ ^# K. Y* b
DISPATCH_METHOD,
9 b# L, t/ _ p. J) P+ Y6 d &dp,
. c* B" a( g- F" ~+ Z* F& s2 e NULL,' p; W( O% \5 ]* e
&ei,+ ]3 H. f8 Q+ r1 B+ m$ r& R8 J
&uiErr);
& f' Y) c. i8 `6 A
. g, H: k( n& C/ d, [5 T0 ~# J SysFreeString(topicStr);/ T4 v3 D; o0 }& V* D4 \
SysFreeString(itemStr);, o( u* Y8 P* r" x0 l/ j- C
SysFreeString(valueStr);
O3 r( g* V* U& ]$ O
* B2 P W8 x: i4 f4 d/ e, }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???
, r; n' K9 z+ p) g6 c+ X6 M7 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????
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8 Q2 d; S9 o! j& X2.这是request的程序4 O4 _' N* R6 U& I: b0 H
// Request a value from Extend
) I: T" X5 \7 c! u//
8 }5 c: D; [( v( C& W( D// Initialize the variant that will hold the BSTR. Set the variant's
! L r# \' T/ P/ A: e3 {. ?// type flag to indicate the fact that this variant holds a BSTR. Place the
) k! [& X, G9 |) k( l// BSTR into the variant structure.; J# T, U! c: {" H% H4 L$ e! A
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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( [( E$ o9 M H, ~3 [# D/ f, c% M4 C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, e- A/ V/ ?4 M" H6 S: D' \8 b VariantInit(&requestVariant[0]);
U& ^4 f2 i& V3 f+ J$ _ requestVariant[0].vt = VT_BSTR;# ^0 k# P7 j$ v" D0 x
requestVariant[0].bstrVal = itemStr;
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( [$ ~% y- M- o8 i# | topicStr = SysAllocString((WCHAR *) L"system");
2 t% r, `: ^7 A1 |# y VariantInit(&requestVariant[1]);
$ v& M" c. i4 T5 G |' } requestVariant[1].vt = VT_BSTR;
3 m2 {; i! i! e3 I5 h requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;; m' V3 f. O7 G+ c8 F7 B1 { j) z' R
dp2.cArgs = 2;3 k& F' l7 [$ ]* ?
dp2.rgdispidNamedArgs = NULL;- V+ |1 z: u1 d+ e6 y8 E* F9 Q
dp2.cNamedArgs = 0;3 Z; r; [, H. u' ]% j
$ d- T ^7 A+ M/ R7 c var.vt = VT_EMPTY;
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0 ~( D7 q2 h# F p' O// Call IDispatch::Invoke()
C, ?3 u, W5 W! _! d% L8 z0 Q* F) k5 ~1 J
hr = m_pDisp->Invoke(
- c5 S' `( \$ M9 G+ J, A4 N requestID," w5 t- r: W* s7 E; t& R
IID_NULL,
" y. O c5 c/ i2 D! T LOCALE_SYSTEM_DEFAULT,
( a( Y+ Y. Z9 t: d DISPATCH_METHOD,& a: e1 _6 `- ], m5 o+ P! s. V
&dp2,' t: Z0 m/ |+ V
&var, H" Q1 q- M6 |- [$ v0 C
&ei,
. R: q' k( {0 P R; | u &uiErr);' s( V! } p s
. q h0 \* K: n9 J, i: {" L SysFreeString(topicStr);
Y4 L1 \: |, d/ F! v, d SysFreeString(itemStr);
% A* {: O9 j( v. ?+ g4 ]请问该程序是获得extend里面的哪个值?5 y6 y! g& f; \6 L. s; V' }
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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