|
|
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:
( ^: B: ]6 ?% f2 V3 wName = (WCHAR *) L"Poke";: p% `1 z8 q8 }, {
6 J* e9 Q1 f2 G: Z hr = m_pDisp->GetIDsOfNames (
3 k$ ?5 d# j5 h9 X* T- m ], i. z IID_NULL, // reserved; D: J( s3 M( b$ F8 V" F) ?
&Name, // Array of names to get IDs for
6 b7 K# d* r/ m. g: } 1, // # of names in the array
0 C" H4 i- k0 G9 \3 C! u; w$ x, N LOCALE_SYSTEM_DEFAULT, // System locale8 o% Z/ B2 R1 r! U( {( H
&pokeID); // Array of IDs to fill on output
% E6 {9 `8 H L0 i; |
# D5 u. }/ Q- I( B$ x/ y5 k if (hr)1 \" |3 \% f" Q. J$ ?
{
2 ?" I3 Q. Z6 G4 \ MessageBox ("Get Poke Unsuccessful");: k3 Z* |. v! B9 u; N
return;
: K+ K" V# c8 r( C# R }
4 F. E/ y. q7 L( v; x6 B
) d4 @, S! }9 G0 J/**************************传递数据给extend**************************************/
6 E+ O# W" M0 n. g# ]% Q- q pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
% T! @8 k& v) \* P4 W
5 V4 `% |+ q! E3 r$ ^7 T- x valueStr = SysAllocString((WCHAR *) L"1232");/ q* d" D" i- { b- s2 u! {
VariantInit(&pokeVariant[0]); 0 ] @2 @' C$ [! t+ U# E
pokeVariant[0].vt = VT_BSTR;2 a) k# l% z$ j8 p
pokeVariant[0].bstrVal = valueStr;
* h. ^5 R [' f
' ^! t9 Z9 A! t( Q' {& ^* i7 _ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. W7 q% A* e* I/ ?1 h9 g# F VariantInit(&pokeVariant[1]);
9 P- K8 \! b/ n" i pokeVariant[1].vt = VT_BSTR;( p5 N$ w ~' z
pokeVariant[1].bstrVal = itemStr;
% J: c! P: m8 r% W7 O' b' J' p6 ]3 l" f: o- @
topicStr = SysAllocString((WCHAR *) L"system");
+ `3 N' u1 f; T% t; S VariantInit(&pokeVariant[2]);
8 ^0 b: Q5 j3 }1 K7 W7 J ~6 u U pokeVariant[2].vt = VT_BSTR;9 p1 c) @; p- h1 A
pokeVariant[2].bstrVal = topicStr;
' [* v/ K/ J7 f: N* x+ {2 s( W, O$ u+ O
// Set the DISPPARAMS structure that holds the variant.+ X/ F$ T1 {: N: ]
& k4 U# ]' p5 K dp.rgvarg = pokeVariant;
+ l. h$ l2 X% z! i' p; ^) |6 l5 | dp.cArgs = 3;
, J( K) h3 c% s' M, M v3 \* c8 a dp.rgdispidNamedArgs = NULL;
h/ e8 n) L6 S4 p% x1 ~3 v* h ^0 A- k dp.cNamedArgs = 0;. `- Z5 n* j( m: ]5 w4 B; P
( F! o, Q1 s* u- q% p1 _2 [// Call IDispatch::Invoke()$ H" m x; u; D
( q' F r. ?, g
hr = m_pDisp->Invoke(
, o; N. q3 ~/ G" l- b pokeID,3 P' c% `: I% k* k! k7 X+ F
IID_NULL,
0 Q; `# B! B. f LOCALE_SYSTEM_DEFAULT,
. h4 A. r; v2 t9 y$ L DISPATCH_METHOD,
: k; D& }1 C( U &dp,6 K: X. E8 c7 m6 @$ M( n; O
NULL,
8 A& y: N: w) J Q& m. [8 u; W0 l0 ~ &ei,6 g0 V5 Y$ b" b8 G7 X5 [( a0 n
&uiErr);
X4 Q( k6 u4 Q
R2 {% U: @1 N- m/ n0 P0 ` SysFreeString(topicStr);
! g7 A' L7 n/ y3 p0 _0 _( k SysFreeString(itemStr);
7 ^, N& w0 Q$ g! Y' U# F SysFreeString(valueStr);$ q0 J: z) i C8 m( J
7 D" B8 q& W' v( j/ |
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???
7 |8 r1 E' X2 ^: d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????$ O$ c! P8 @, S
' D, Q# e+ ?! v- Y0 S6 x
, W/ h6 Z$ c& q, K% Z
2.这是request的程序
9 X0 L& ]1 U# P0 V3 P" A5 M// Request a value from Extend
4 w4 I/ [, z: P* Y//
8 a d A; e! c) f// Initialize the variant that will hold the BSTR. Set the variant's
r' J/ P$ T6 Y' H// type flag to indicate the fact that this variant holds a BSTR. Place the+ I; b, L! @: P1 A
// BSTR into the variant structure.3 Z. q% k+ l9 B% N7 s4 B$ ^
+ @7 l7 {/ }) { requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);) R/ d; v! Q( r0 l, ^
6 N# p! }4 k1 n. D5 @ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ Q. i% A: R, [# s/ W3 r0 J VariantInit(&requestVariant[0]);
8 u! u8 E$ N) ?& @) s requestVariant[0].vt = VT_BSTR;( W' ~$ I L$ z" p; Z, @
requestVariant[0].bstrVal = itemStr;5 h7 G3 Z# f& e" T. p
; H$ t h2 Y1 _3 e1 P
topicStr = SysAllocString((WCHAR *) L"system");, x, ?2 P3 @3 a6 m, `' N
VariantInit(&requestVariant[1]);
9 O, H1 ?1 U3 L1 }3 F$ u requestVariant[1].vt = VT_BSTR;# I2 L' T j# Q$ D! f; C/ r9 K
requestVariant[1].bstrVal = topicStr;
) r# I/ {3 W7 f& A1 G' x' {5 @1 c
2 `; {" Q2 C0 m1 X: @& b: I5 U) v4 J1 [// Set the DISPPARAMS structure that holds the variant.
0 S* t: [# M9 q5 v- I1 J4 x8 Z3 V
) _; W3 b, i0 X: y1 N- ` dp2.rgvarg = requestVariant;
1 w: }+ \8 c8 U& U. {& | dp2.cArgs = 2;
7 p0 l% V+ M5 `$ K! c" t dp2.rgdispidNamedArgs = NULL;
$ j9 M0 w8 I: A Z dp2.cNamedArgs = 0;& s3 H6 H5 J: Q7 Z1 m) n
9 S5 l% F# T8 Q; C
var.vt = VT_EMPTY;# l1 D1 M _5 M& A9 A
2 G& F0 o+ |# h6 l
// Call IDispatch::Invoke()
* [ J" E' l* ?, d/ K7 g) ^" }. G7 m6 b, K( H+ W; q0 v" f1 B
hr = m_pDisp->Invoke(
8 O1 V. I3 e+ E* X: A2 [ requestID,! M3 l; m3 a1 W+ d* R) d5 p) s3 h
IID_NULL,8 X" j; U6 z. b, }3 P( _
LOCALE_SYSTEM_DEFAULT,
% Q* H2 x6 ~! c0 N DISPATCH_METHOD,
& Q1 r R1 v% k% x# @ &dp2,
, v' e' ~" ], @5 l2 ~, G6 h7 [' ` &var,' [- `8 f: D+ O# F; u3 i: W
&ei,4 n9 u1 I) _- ]% Q' E
&uiErr);8 O: k9 J1 U6 S4 g3 W& ~4 U
# E" R: n6 f) n- G2 E+ x3 ~( u
SysFreeString(topicStr);
2 l/ @& V S5 @7 H6 [8 O SysFreeString(itemStr);
3 C5 _4 x# Z% J; s# M# m请问该程序是获得extend里面的哪个值?
9 \; n2 e" N: Z$ E3 o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???? |
|