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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:5 h/ G( _6 Z" q8 r: w
Name = (WCHAR *) L"Poke";
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: Y% T) h& N% G; A hr = m_pDisp->GetIDsOfNames (
# [ H5 b0 Z- J6 Q IID_NULL, // reserved
C/ J; c7 I$ O' ^: M! ~6 m &Name, // Array of names to get IDs for
0 d/ v6 }/ D& Q6 M 1, // # of names in the array
N9 c& z$ T4 _! g! e [ LOCALE_SYSTEM_DEFAULT, // System locale
! u3 J* q! {- u4 @/ H: S( F" q &pokeID); // Array of IDs to fill on output
7 q, V, y" _, {- ^4 v$ f$ v
$ F+ |, V0 |3 B$ s$ {# M if (hr)
1 }. ]8 A- W" e( h+ v {
$ M0 P: N) C& X+ d" f- u, U MessageBox ("Get Poke Unsuccessful");
3 R% \( D; o% u3 b0 e8 m return; y: F6 g7 Y9 H% o) }; F
}
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, P" a2 X) [$ g9 \8 A: e/**************************传递数据给extend**************************************/
. |( R( N# c# w7 b1 a pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
5 R4 ?& ~( s/ x8 J 2 `+ O4 c: r8 J" z% w/ _0 s
valueStr = SysAllocString((WCHAR *) L"1232");" Q* H+ s" M( K4 v7 [, h0 Y8 j2 L6 F$ v
VariantInit(&pokeVariant[0]);
4 a D6 X$ I' x+ u) Q. R8 w5 I% P pokeVariant[0].vt = VT_BSTR;) Q* I; p$ p$ f6 o9 l0 j0 t$ d* R
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( ~; W/ \3 Z" I; k
VariantInit(&pokeVariant[1]); 5 n" H% F( x9 J7 ^# f4 g- p- c
pokeVariant[1].vt = VT_BSTR;
7 X' x" C, J' z. P' H pokeVariant[1].bstrVal = itemStr;5 Q& L# H/ q0 N/ D' E: d$ f% U
" i1 C) J! Q( H1 r; o6 G
topicStr = SysAllocString((WCHAR *) L"system");3 X& ]9 N% M% d7 `, ^
VariantInit(&pokeVariant[2]);
! F( Q6 {$ `3 I1 T' R+ s4 S pokeVariant[2].vt = VT_BSTR;
# p9 O8 l8 ? b: M7 b2 I4 Q% G0 E pokeVariant[2].bstrVal = topicStr;
! E5 S% W9 H7 b8 u
3 x! a, T8 h% [4 p% R// Set the DISPPARAMS structure that holds the variant.9 N" ?1 _& C: p& O- A/ _' X2 L
) h9 f; K7 S% h3 [' T% }
dp.rgvarg = pokeVariant;
. t+ W7 ]% N( e: H* z# m dp.cArgs = 3;$ n7 J% W% j* T% N9 f1 K, s4 k
dp.rgdispidNamedArgs = NULL;
3 |7 n, Z1 H! [, _ dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()2 b0 M& A, C3 U( P
+ @$ R3 e s- m
hr = m_pDisp->Invoke(0 k, V- \9 p( }
pokeID,% {9 @# ^4 U: w3 }
IID_NULL,
! t$ m. B- S P LOCALE_SYSTEM_DEFAULT,
7 `( k( M" d) @2 q& D# G DISPATCH_METHOD,
" f; @9 J2 T4 ?2 N8 Z2 n &dp," n. [& ?. g9 f- h9 [
NULL,
% Q- G# }' w* c' n &ei,8 @* q7 ^$ {% m& S' [6 v+ [0 T
&uiErr);
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SysFreeString(topicStr);
T2 x: K! Z2 \$ V; P3 w SysFreeString(itemStr);$ l7 g7 H L6 N: e8 O
SysFreeString(valueStr);
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Q V; J/ {( } T' V. h1 X# [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???
" K9 Y4 w @1 _! {- 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????
Q" O. G1 _' c& W! y3 N1 ^
+ R8 F2 K( A5 X9 Q
& C- H) k$ x' ~, U& L+ S7 M2.这是request的程序
4 j7 c) E! r: \' u9 @+ I4 U// Request a value from Extend9 x" N7 _% H$ h: {
//
+ J/ w0 d( U+ L$ {! z9 ]// Initialize the variant that will hold the BSTR. Set the variant's; O2 w( f# f( D5 d
// type flag to indicate the fact that this variant holds a BSTR. Place the
1 P9 w# N# \* M( o// BSTR into the variant structure.+ f, D( u$ I/ S" [; J2 l9 d
* c' w, p/ r# h; E6 w& y
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);: `6 q: W; _2 P6 I- a7 I J
+ B* e b/ s" @ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( I8 i6 r. Q* w0 B/ y, `6 b1 s* I VariantInit(&requestVariant[0]);
5 k- q: a# y% Z1 _/ {6 ? requestVariant[0].vt = VT_BSTR;
# ^) `/ A- g9 ]! \/ T+ C requestVariant[0].bstrVal = itemStr;5 _9 c+ F9 z- C* o
6 k* F( v# X0 ] topicStr = SysAllocString((WCHAR *) L"system");7 W* G2 b# }7 L5 N9 d! I6 W
VariantInit(&requestVariant[1]);
! _0 ?$ }: Q- U! l. ~& @ requestVariant[1].vt = VT_BSTR;
! s& k1 F, o" @- T requestVariant[1].bstrVal = topicStr;, B; u0 O) ]% e# q- d
, I! k- c! d" D
// Set the DISPPARAMS structure that holds the variant. \* c2 U0 c! _: ~$ _) b" A/ T
0 C( O$ _* A# z8 Y2 Y" B2 t% i' h dp2.rgvarg = requestVariant;
* c' _4 Y2 n0 Q) `# i+ { dp2.cArgs = 2;) H- P$ K6 `3 D {' \
dp2.rgdispidNamedArgs = NULL;
9 ` N/ n8 U H' M dp2.cNamedArgs = 0;' d9 {, b0 c8 z+ L5 q
# C! B O, V8 A# c( D var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
" k' B3 D% h" o) x" z requestID,3 N% k+ F. d1 X9 J- a C# w. h
IID_NULL,
6 I0 y7 C. I& w+ R* @. ] LOCALE_SYSTEM_DEFAULT,( K' u0 u) m1 |$ ]
DISPATCH_METHOD,
+ n! G0 X L0 z7 k &dp2,
. a' `& L/ `; _1 t. F# n/ ` &var,/ ^9 X R) }- [, h4 I+ ~5 |
&ei,
% a: w# f# d9 Y4 `' Z5 J# ` &uiErr);
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1 s9 I7 F3 v! C SysFreeString(topicStr);& g, L. _% M/ ]% X* g% X
SysFreeString(itemStr);9 |6 T" _- i8 l6 o9 u5 B; m/ q
请问该程序是获得extend里面的哪个值?
/ D0 E4 x; m& a) b2 ~9 i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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