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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:' r: k" e( O/ l+ i( g' c+ G4 s2 {) H
Name = (WCHAR *) L"Poke";6 L" S" n7 P7 L( a
1 {8 V' H* Q2 l hr = m_pDisp->GetIDsOfNames (
( u8 y( t4 a" D$ B% U IID_NULL, // reserved) u( r; h- \% v0 w
&Name, // Array of names to get IDs for
7 K& |; y/ P) X, z2 b 1, // # of names in the array/ O; |; Z. q' j" t5 a3 V
LOCALE_SYSTEM_DEFAULT, // System locale% Z! T; F8 Z2 Z$ ^
&pokeID); // Array of IDs to fill on output' _' V7 `9 B( T/ `$ I! C9 e
9 z% |! a; U+ D( E+ {/ e- J$ H8 F/ C, O
if (hr)( W Y5 P/ Z! \7 j* i2 ^& x; v, H
{
/ W8 Y( I5 O0 u, Y8 \3 ?% Y MessageBox ("Get Poke Unsuccessful");
% s+ Q( N) j) A return;
9 [; V6 d6 _' Q6 N# F }; a0 i$ R: Q6 w5 s+ j5 y+ k3 U3 g8 U8 K
$ O6 z8 Z q/ u1 ~ L1 E+ X/**************************传递数据给extend**************************************/
" ]7 D+ O4 b$ x+ ]( A# ?9 G pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
4 W9 C5 q$ m* z * @; {( H& f) a5 g
valueStr = SysAllocString((WCHAR *) L"1232");
]8 Q1 ], j' ?$ a e VariantInit(&pokeVariant[0]); 7 V" a/ }- p: H5 H
pokeVariant[0].vt = VT_BSTR;
; T, F7 h* d5 S, w/ W pokeVariant[0].bstrVal = valueStr;
9 b; X. ?5 p0 W C0 p, a. ^ J |" a
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) `3 o' ]& H Q9 u3 t
VariantInit(&pokeVariant[1]); 9 e" X/ u6 X/ m
pokeVariant[1].vt = VT_BSTR;
: s/ m2 U# y* R3 u' U8 X pokeVariant[1].bstrVal = itemStr;, k$ d+ p* R% Y5 p' H {
3 c8 ?, K+ x1 ]6 H3 o! R2 a
topicStr = SysAllocString((WCHAR *) L"system");
4 Z! g" }0 J( O! d) F d VariantInit(&pokeVariant[2]); 7 e$ W% }& Q* \/ h( H
pokeVariant[2].vt = VT_BSTR;) }1 A0 f2 k1 C# c' R% h+ e
pokeVariant[2].bstrVal = topicStr;
( Y! E9 e# d" N/ E# P7 B3 D& N' |$ F! b) k0 Y
// Set the DISPPARAMS structure that holds the variant.3 c4 v1 X: I: o+ K/ `# N |3 t) ?! G
) W8 S+ n1 J& a# q: t. ]0 ^ dp.rgvarg = pokeVariant;4 @1 x# N* q! C9 A3 N
dp.cArgs = 3;
$ i! p! I/ o, I) V# Z# s dp.rgdispidNamedArgs = NULL;; O [. l) q; J, K5 q! K
dp.cNamedArgs = 0;) t, W4 @( x) Q; t8 ~5 O5 x( k" e/ t
( b; a9 s1 T3 [% [0 K+ S q) R+ w) W// Call IDispatch::Invoke()2 d( }+ Z2 A, O/ w" U9 y
& _4 [5 d9 v% W) X! ^
hr = m_pDisp->Invoke(
7 o+ T; T1 }0 B4 p pokeID,
" R& A4 p/ v4 a! c' y3 Z& z; m1 i* k IID_NULL,
" l8 C; c4 s& p6 `$ m LOCALE_SYSTEM_DEFAULT,
6 \2 z+ U* D' c: L* J DISPATCH_METHOD,5 F( \0 i: t0 K, y" o
&dp,- r, ] F& L" U- g" a G
NULL,
, f" x. `; ~* Q &ei,- Y5 a! U% r/ t! f+ O
&uiErr);
+ c% {2 y Z( N3 p" W) R1 E9 i3 u# f! f
SysFreeString(topicStr);
5 @ u2 y: U0 b+ x7 s3 v SysFreeString(itemStr);. @4 _0 L$ j$ R _/ {
SysFreeString(valueStr);
: W! w' ~- o* n4 e; Y9 e7 r8 l8 c3 w$ O2 c0 C
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???* d" a1 H# H" @2 G' f0 k
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????
/ u% K! i2 _+ j, _, @0 F5 r. f5 t( [9 i. C0 a$ j
+ }" E" l4 E; ^* g+ e! x' y, p4 [- B( ^2.这是request的程序
- u# z! p9 r2 h" e// Request a value from Extend
# A+ v- {$ y4 |9 X" P& c//) K5 _; d& D. G8 O2 ^1 A' x
// Initialize the variant that will hold the BSTR. Set the variant's* \: W$ o1 Y* j- O4 P; V- b
// type flag to indicate the fact that this variant holds a BSTR. Place the+ \8 z' o1 _7 X
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);+ B( b' j3 h; \/ ^) F9 ] O
3 }5 S/ v; g2 K4 X; o
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" o7 l9 y5 M- ~' M6 g
VariantInit(&requestVariant[0]); 8 E- v, Q! v9 E* ]3 L0 {# {
requestVariant[0].vt = VT_BSTR;* }; D1 `, Y5 a! i
requestVariant[0].bstrVal = itemStr;
+ ]0 T1 U- G% L0 \2 T- H: L: w( h, W" }0 V# U, |
topicStr = SysAllocString((WCHAR *) L"system");
7 B/ M- K' B; ^( [ VariantInit(&requestVariant[1]);
9 X7 O$ j7 X1 W& L+ @4 b requestVariant[1].vt = VT_BSTR;# [4 j* v' I1 N* t; @" d
requestVariant[1].bstrVal = topicStr;
! x7 p' g6 g4 H- ^* f) K- n2 c
! y1 b7 O6 H7 A& K+ v// Set the DISPPARAMS structure that holds the variant.% |9 o- e: a& F, K/ Y
0 B5 h. f9 g4 |' i/ |! [8 ]( Y
dp2.rgvarg = requestVariant;8 ^, m4 S6 Q, D6 }" s$ H
dp2.cArgs = 2;
8 o3 C4 y% G. F- B9 \* p. l( P3 O dp2.rgdispidNamedArgs = NULL;
( f& u( a. z6 d9 z) H dp2.cNamedArgs = 0;
6 S; f3 u& R* U% U, C2 `% @9 {
/ I. H7 y0 K7 E$ J# @; M var.vt = VT_EMPTY;
, p* e; m" Z) e2 c' |
0 m, }$ U. u& K( H2 W' P// Call IDispatch::Invoke()
- u* S# z1 O* z+ t5 k8 b& F" ?3 S/ | F/ i- G4 D
hr = m_pDisp->Invoke($ ~, q6 T/ I. @- p( | }! c9 |
requestID,, D& Z D+ T9 w" r, \' ?
IID_NULL,
& M0 n7 U3 }: m" ?5 p LOCALE_SYSTEM_DEFAULT,
8 R! O3 h9 c) K, P" P( I DISPATCH_METHOD,7 _% K( X$ \# y8 D5 |5 @
&dp2,/ z* w) ^# ^) W0 |4 h/ ]7 M
&var, _0 d. u1 C; w
&ei,
3 e! G/ X: ^( H" A &uiErr);) H4 y# w. N/ w& F: I
. r+ W, I6 ?, s3 p
SysFreeString(topicStr);& W( S: b% S. I, J
SysFreeString(itemStr);
& x) @. m x' T+ i3 s$ ^请问该程序是获得extend里面的哪个值?2 r9 _/ z5 e, r: M7 F* 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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