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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:. k3 c- h1 o; s7 R; T
Name = (WCHAR *) L"Poke";
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6 H3 }: j+ ?6 F4 c0 J, ^& m hr = m_pDisp->GetIDsOfNames (9 N) |6 o. }7 ]0 E: d
IID_NULL, // reserved
l* l1 `$ ? D! N &Name, // Array of names to get IDs for
5 D! w, j$ H2 l6 H0 ` 1, // # of names in the array
! k/ H2 T9 ~/ h* h' F3 T* v LOCALE_SYSTEM_DEFAULT, // System locale, q' B+ \2 @* ?2 { @, x( `5 f- s; ^
&pokeID); // Array of IDs to fill on output
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if (hr)
# D" n& {7 N7 \/ q" T8 T: o' n# c {
! x8 Y& k- H4 u3 A5 {2 Q& Z MessageBox ("Get Poke Unsuccessful");: v$ r* U! i* ~) x% k, \ b+ ?) @
return;5 ]# G) D' p6 K# N: s, y" j
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/**************************传递数据给extend**************************************/
! S6 I- |* I8 r) S pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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6 h" b. M3 C6 z1 T! i* _ valueStr = SysAllocString((WCHAR *) L"1232");
/ d1 z0 i1 R+ Q2 q2 ]1 S VariantInit(&pokeVariant[0]);
" l; S" L2 M" S7 X pokeVariant[0].vt = VT_BSTR;
. l& U) s$ ?3 n pokeVariant[0].bstrVal = valueStr; Q2 d0 `8 e, v- N
& R1 ^2 @3 d2 Y5 y6 V) O% ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 L) [9 K5 X& {" ~6 B. j VariantInit(&pokeVariant[1]); ; m, M$ j2 p: A9 H4 M
pokeVariant[1].vt = VT_BSTR;. c. A0 C! u: ^' j0 T' N8 F
pokeVariant[1].bstrVal = itemStr;7 m# S+ N/ e) Q( g
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topicStr = SysAllocString((WCHAR *) L"system");- M& N$ t6 c+ a* k) T
VariantInit(&pokeVariant[2]); 8 Y( W6 m. g* n* v9 X, ^+ b
pokeVariant[2].vt = VT_BSTR;
" H& V( S3 Q3 G2 |0 b+ L2 O pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.' p0 H( k5 f& @# \
C5 |2 h% }" X: p9 z$ W8 u dp.rgvarg = pokeVariant;3 O- V1 @% a9 A; n
dp.cArgs = 3;
6 n7 c- [2 N6 o! Z# B( f dp.rgdispidNamedArgs = NULL;
' y9 y: C% Y1 p% _+ B" }( D dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()9 q' P+ C I8 }# G: [
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hr = m_pDisp->Invoke(9 f9 y! T' n; O; g; S7 f- e1 p+ V
pokeID,
* k! n' u) W; V! R s; s! }) E7 Q IID_NULL,! ]/ w3 X, Y% y; \; G# B( Z
LOCALE_SYSTEM_DEFAULT,
* ]: ]: |9 q& Y+ R DISPATCH_METHOD,% I) ~; r& S- E0 C+ r' C
&dp,
7 r6 h! j# |5 }& c NULL,
/ j8 O: O# p7 Z5 } &ei,5 s) z% d. _$ n! y$ {5 i
&uiErr);
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SysFreeString(topicStr);
0 z. Y% Z' |; q6 Y SysFreeString(itemStr);0 h- u! |5 B0 r y% F3 X& A
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???9 i9 Y3 o3 w8 K9 x
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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1 ^0 N, b$ O, P2.这是request的程序 g: @5 W+ r; |" K/ D; s& e( ~3 |" w
// Request a value from Extend
P! y( c* R* s1 A//
5 ~# o- W5 {& n' b5 B( u// Initialize the variant that will hold the BSTR. Set the variant's: n1 p9 U, {: E
// type flag to indicate the fact that this variant holds a BSTR. Place the
" H8 S- N3 q: L1 ^+ k* g* y8 A9 k9 I// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( n5 A& I0 c4 o
VariantInit(&requestVariant[0]);
- o- R1 l" }% E1 ? B' L requestVariant[0].vt = VT_BSTR;
( h9 o5 g# I6 X7 F& t* U requestVariant[0].bstrVal = itemStr;
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1 m, W0 Q, C8 y7 `3 L topicStr = SysAllocString((WCHAR *) L"system");* R5 G# J6 e% Q& e
VariantInit(&requestVariant[1]);
7 W, j0 ]# }; |. d7 J8 I requestVariant[1].vt = VT_BSTR;) z! M( t( T0 z( D( v
requestVariant[1].bstrVal = topicStr;
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& @% p! v8 ]* i// Set the DISPPARAMS structure that holds the variant." k" w4 i+ V/ v5 R- }; r. n
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dp2.rgvarg = requestVariant;
5 I& _7 ~4 e+ C: q. b8 c) {, e5 ` dp2.cArgs = 2;
, n9 d p+ _" u$ I- t- b6 z+ |3 y dp2.rgdispidNamedArgs = NULL;
! @ h( A; D3 e1 I dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()$ x8 t8 N' j# T! I0 _5 ?
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hr = m_pDisp->Invoke(
* B g0 Y1 @+ l& ] requestID,
8 D0 L4 G/ ]" {+ h7 S9 ?' R+ @ IID_NULL,- `. V& g! a K, s- m3 Q# ~7 n9 B
LOCALE_SYSTEM_DEFAULT,
) Q% v. W* H. X1 J- J DISPATCH_METHOD,3 Q) a3 O8 I, b0 b& f/ P
&dp2,8 |" f1 N2 B6 d7 O3 T4 p# r
&var,: p. J- s4 _ a0 ^3 c1 z
&ei,% o1 u, D" s5 ^, L$ C; W
&uiErr);
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SysFreeString(topicStr); o, e, D! V1 M9 _- S; G+ @$ V$ X
SysFreeString(itemStr);0 s Y/ {6 {* n1 i+ {: u
请问该程序是获得extend里面的哪个值?
/ @# d1 F$ U% S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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