|
|
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:* x* Q R! U0 ^: f- H
Name = (WCHAR *) L"Poke";
0 |# v4 m8 W' M9 _4 a& ? & R. T5 Y% m6 l R1 y
hr = m_pDisp->GetIDsOfNames (
2 `# S) Z! b4 {, t I. N2 q3 v IID_NULL, // reserved
/ b% u. g* W3 S% J. V &Name, // Array of names to get IDs for
5 N) }/ J4 w# q$ T 1, // # of names in the array! ~' f5 x8 @2 f7 p6 a2 Q
LOCALE_SYSTEM_DEFAULT, // System locale% l$ d5 ~4 N. r
&pokeID); // Array of IDs to fill on output* H! m5 T. X9 k( B# t
6 \# n# `, o6 A8 u- b( C1 T
if (hr)& c8 \7 L; t0 M) Y
{
, J" C1 e+ z( y; Q! q4 q: b2 G MessageBox ("Get Poke Unsuccessful");
/ N& o# t+ D% d5 T1 P1 _0 A return;
/ C8 @& z3 m0 q2 I9 E }
, d5 [( f2 U! `' G0 l- W2 e
0 u+ m( o( Z0 x/**************************传递数据给extend**************************************/" Q: O" f8 @/ I* T3 V
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 E6 _5 V1 L! M$ g
' O2 S9 |7 h: } valueStr = SysAllocString((WCHAR *) L"1232");7 d' X+ S5 A8 `
VariantInit(&pokeVariant[0]); 5 i$ H- ?/ [. Z; |% f
pokeVariant[0].vt = VT_BSTR;+ ^# Y- H4 y0 L. j
pokeVariant[0].bstrVal = valueStr;7 \) j8 _- |9 F6 L# M$ J+ s% G. R
9 h1 s/ G# m- u# t4 O g, ^
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( H: }; X0 j9 G- \. m
VariantInit(&pokeVariant[1]);
% H# u* G$ l8 a9 Z* |- ~ pokeVariant[1].vt = VT_BSTR;& r0 c+ G5 ?% D0 Z/ p2 M/ l# V9 l
pokeVariant[1].bstrVal = itemStr;: P. i1 c7 ]* _' d+ q n0 P
5 z4 U. \3 ]3 ?4 i6 ^
topicStr = SysAllocString((WCHAR *) L"system");1 F- o0 K2 \% L+ Y% n- J. G: P! }
VariantInit(&pokeVariant[2]);
; u- R1 ]* B$ {9 R& X pokeVariant[2].vt = VT_BSTR;4 u$ h- ^+ Y1 m4 }" P. Y
pokeVariant[2].bstrVal = topicStr;
! C- ?6 E# c' \' G/ t3 t6 e! I2 ^7 G8 s7 B( d
// Set the DISPPARAMS structure that holds the variant.0 `9 H) M5 m& L+ S1 u5 ^/ {( e9 ?
$ ~/ v/ j; O. j7 F
dp.rgvarg = pokeVariant;
1 B1 y3 x) g" |0 B. Z dp.cArgs = 3;+ i0 S' v# A6 G- g
dp.rgdispidNamedArgs = NULL;8 s8 y7 y( I* h& o
dp.cNamedArgs = 0;
7 W+ Y5 S G1 X
/ k. l( x7 h) Q M: E% c: [// Call IDispatch::Invoke()
2 d% {5 L- |$ `5 G: ?% ^ D' m$ ]) |
/ r9 G8 A+ ]% T' a hr = m_pDisp->Invoke(9 [; C `6 q+ h9 L
pokeID, w! b" A# T" N4 _+ i8 y" J5 V
IID_NULL,2 b# ?, S# M2 C# @4 v5 z! X
LOCALE_SYSTEM_DEFAULT,
( }# f) e/ u0 r6 r2 S* j DISPATCH_METHOD,! g3 h( u# k1 J2 `# s) \
&dp,$ e3 F, U* j0 n- y
NULL,
- o3 u' P& X' u7 u/ A( W S& { k &ei,# ^- a w/ s3 `$ Z
&uiErr);. L; `- q9 {: O2 G" n4 X. |
4 a8 o2 X# w* M
SysFreeString(topicStr);; S2 f' i3 \) |- m
SysFreeString(itemStr);4 j- `0 [! ]6 e
SysFreeString(valueStr);
9 C9 E' ~, P) x$ \9 M s; c3 U# k' v
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???
) P- {" p$ B0 J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????
- { ?0 A: x* }
3 e" p0 o7 O- r5 M. W5 S) ^+ S8 }7 h1 p
2.这是request的程序
9 g: P7 ~8 \2 a& a: W8 C6 { u// Request a value from Extend
+ t/ a0 K2 d% a4 e& B//( U* J m3 z+ s3 g7 h/ R x
// Initialize the variant that will hold the BSTR. Set the variant's) f8 H! i2 i" P
// type flag to indicate the fact that this variant holds a BSTR. Place the5 z7 z8 u `. v+ o
// BSTR into the variant structure.& x" k b" R* Z+ X. x ]& d: `- R
5 R% {4 U H: H. k/ T1 t: @
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); y- |1 G, t# H1 b; c
0 a, ^+ c% W! W( V3 _& a( s4 s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( V* T9 p# C h, j9 R$ ~* w% j( P VariantInit(&requestVariant[0]); , H' @3 [' D( a, ~- S1 Q/ m
requestVariant[0].vt = VT_BSTR;% Y, y6 {# A2 L4 Q6 }
requestVariant[0].bstrVal = itemStr;
* U. [0 N, N; T8 t4 U0 }$ {4 D9 L1 }0 P- D. O) d, [' z H N
topicStr = SysAllocString((WCHAR *) L"system");
4 _- u8 \5 L& w4 Y$ r2 o/ _ VariantInit(&requestVariant[1]);
9 f: _0 Y2 [# }6 h- O requestVariant[1].vt = VT_BSTR;
c: |5 A( N9 `" _ requestVariant[1].bstrVal = topicStr;
, r+ Z/ w9 g: b' F$ x$ _& ^. \, H2 [/ y; J$ C4 b. ~
// Set the DISPPARAMS structure that holds the variant.8 [: @& {' F+ Y
' O; N1 c, N, B dp2.rgvarg = requestVariant;
& b I3 V+ Z1 W$ n dp2.cArgs = 2;/ O6 ~' R9 o* S+ H3 q% B$ V
dp2.rgdispidNamedArgs = NULL;8 g4 k r' b9 i7 ^
dp2.cNamedArgs = 0;
) [6 ~6 N$ S, ?4 q# q; S! g& f% G
/ z' H8 b0 F8 w' _% i5 G0 \ G9 e var.vt = VT_EMPTY;
, I+ t/ R2 O+ h7 N. z: C3 R" A) V2 F0 n& `" c
// Call IDispatch::Invoke()6 I4 q9 L- o+ U% a
; _ I3 u, k' ~8 v
hr = m_pDisp->Invoke(
& k: d: }) C. N+ ]: a requestID,
0 Z2 z4 q( j4 u9 ?! B IID_NULL,3 g; j5 M. I" l! @# k$ P
LOCALE_SYSTEM_DEFAULT,
& N; K; t6 U0 Z x# F DISPATCH_METHOD," V1 e: D9 P3 v# o4 q/ c
&dp2,6 r, m9 \! M. K& g* \8 K
&var,+ }* \6 T! C! q; b7 L) U; ^$ u
&ei,
$ c3 J" I/ D9 l+ A3 J1 t' A &uiErr);
3 f* i/ R1 G! w1 J m) n
& L+ Z/ v" A0 _: Z( ]2 x SysFreeString(topicStr);: m8 a! I! W/ w4 @/ I/ R# X
SysFreeString(itemStr);
' U& E# G0 }- {0 _6 f, l* \请问该程序是获得extend里面的哪个值?
& `5 m+ y8 Z+ g* ~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???? |
|