|
|
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# i) T2 |* u! RName = (WCHAR *) L"Poke";
5 j' K+ v2 B+ ?) I3 }/ O! ]
+ @3 _; R4 r7 p hr = m_pDisp->GetIDsOfNames (& s+ |1 Z9 g. `' s% S$ u
IID_NULL, // reserved
# i1 ^, H% s2 v7 U8 c+ O &Name, // Array of names to get IDs for I& e$ F# b" t1 O( j* R. U
1, // # of names in the array
7 d2 A9 P; T" S, d1 L+ J LOCALE_SYSTEM_DEFAULT, // System locale- \5 f, ~* R9 {( M: O( M* l: o
&pokeID); // Array of IDs to fill on output: N/ C( G5 g" W
) j4 _( |" L( _5 G
if (hr)4 t* e8 l. ?7 D0 w
{
& k' w8 }2 O8 I/ c- j0 l! ?5 i4 j' C MessageBox ("Get Poke Unsuccessful");1 I) T' }1 k$ g9 t4 ~
return;
8 q( Q. A. k! D* E" Y8 a3 T }7 X) {- D* j- f- f! |' d) o( G1 \
2 w1 d9 B- Y; Y1 Q- z* l! G/**************************传递数据给extend**************************************/1 k! o" x' D, l6 ?7 b
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
) T2 j( a- ]" N P6 ~5 a
+ |3 _# I& N% ?+ o5 g* y valueStr = SysAllocString((WCHAR *) L"1232");
- l: Y# |8 p" }; U, s6 {2 N# ] VariantInit(&pokeVariant[0]);
. B @& {$ x! e! T+ Q. d: ? pokeVariant[0].vt = VT_BSTR;
" P3 \- X+ o3 ?- Z7 ~* E( z5 ~ pokeVariant[0].bstrVal = valueStr;
3 k7 V7 h8 C6 w2 w5 A
! q) N2 O: y6 f! i6 R6 i; a$ [' t itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. {9 T8 A% F( E1 W$ z! t( r! ` VariantInit(&pokeVariant[1]); 2 h) F$ v& E, F
pokeVariant[1].vt = VT_BSTR;8 a" ]. S2 D, Q l
pokeVariant[1].bstrVal = itemStr;
b U; c2 T' h" |+ E" N b7 u& q4 O! q
topicStr = SysAllocString((WCHAR *) L"system");
: ~! K- z1 c" j& n) }8 t7 ^, K VariantInit(&pokeVariant[2]);
- a3 h, j: J% o4 p pokeVariant[2].vt = VT_BSTR;5 x2 J8 q! k2 \ h/ b4 Q# Y
pokeVariant[2].bstrVal = topicStr;
i' M# V7 ^5 H I4 {* O0 p7 ]5 A4 t
// Set the DISPPARAMS structure that holds the variant.
" T$ J' q8 Q# e1 d8 h1 i2 E/ C' M% g7 R4 l: r% }" z5 c/ d; H3 \% G
dp.rgvarg = pokeVariant;
9 S3 w) P/ P" \. \4 Z, S dp.cArgs = 3;* M/ i. d" Z2 D
dp.rgdispidNamedArgs = NULL;3 |. b% ~# p# N' T3 ~
dp.cNamedArgs = 0;: H8 S" F+ y1 [4 R$ I( s
" }+ U3 B1 D: O// Call IDispatch::Invoke()/ z7 |0 a) c6 H9 m, ]$ s4 c+ s
$ R$ _' ~3 S1 C3 ^9 l+ Q( f4 E
hr = m_pDisp->Invoke(; Z$ b3 ^4 Y, f+ H. ^
pokeID,' i, `" F7 V6 ?* ?
IID_NULL,% c# Z6 x; ]1 Q4 F; F6 ]
LOCALE_SYSTEM_DEFAULT,
c8 t8 X5 X5 A4 l9 ~8 D DISPATCH_METHOD,
! v, V( G. u8 c# K9 Z( {, y0 J &dp,
, ~: D2 o' d& j! Y NULL,1 V, j. `% ~7 |. u0 C, m3 H
&ei,
7 _. x- X9 w7 o G7 q$ h &uiErr);1 z2 ` h! c* j# J, _
$ u5 O7 |* A/ O; \& I3 F+ ~
SysFreeString(topicStr);
* b, u& g0 k9 G SysFreeString(itemStr);7 h4 \- E: \5 W1 o
SysFreeString(valueStr);
7 ~& i1 q$ J6 d- S
) F$ c- h7 d4 Y0 \- i# j5 G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???
' l* g. C ~* ^( M$ `: m& u: y* i6 h H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????' b. _+ r1 y# Y" l7 h, v+ O+ j) O
0 ^0 x& |$ p6 k7 c! l0 w; ~! M6 N" P3 A7 n! o- g! m
2.这是request的程序
/ Q! s2 i# N1 ^& W/ q// Request a value from Extend
" M* p) o9 q# s5 x1 T3 I4 O+ G//9 q8 i, T! M" q
// Initialize the variant that will hold the BSTR. Set the variant's: V/ u: n6 v2 y4 a2 K. \
// type flag to indicate the fact that this variant holds a BSTR. Place the/ }5 x6 ?6 y, w( _; ?
// BSTR into the variant structure.$ }1 r, |$ g1 t" R
* _: h5 c) Y7 f6 K4 V7 A7 h8 s
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
5 H( [+ j6 ~ K5 Y! Z2 ]( m# B! m
2 c y% p6 }4 B4 _0 @' w) b5 ?6 J itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) }+ q+ h; t* I0 A VariantInit(&requestVariant[0]);
; I/ [; ~" h! {5 \4 s requestVariant[0].vt = VT_BSTR;# ?' g- B6 V% W0 ]
requestVariant[0].bstrVal = itemStr;
- |/ B% M; P/ A' I6 E6 o, c8 N2 S% [/ f
topicStr = SysAllocString((WCHAR *) L"system");/ ?6 ~0 A! B' d* n, U
VariantInit(&requestVariant[1]); ; F) x% l& v5 T- N
requestVariant[1].vt = VT_BSTR;' I# S; ?/ V! W2 L, O, ^- \
requestVariant[1].bstrVal = topicStr;
0 {! M! p; y- _1 o
$ f2 e8 L8 f$ p# T( K// Set the DISPPARAMS structure that holds the variant.3 [9 C1 l9 D' M# l' @
. b3 p3 `: c+ r dp2.rgvarg = requestVariant;$ E- o/ M, o- o5 o' T
dp2.cArgs = 2;" Q* ]6 F! C: b6 Y n- Q9 R
dp2.rgdispidNamedArgs = NULL;% x3 u( U: A' X+ p1 k- W
dp2.cNamedArgs = 0;
; c- o$ p% Q p$ H l- N
. }* L- o4 j/ _/ R" d' { var.vt = VT_EMPTY;9 c% z _: m0 s3 E D6 R! @. |" m
' d3 a( i4 d9 s! n$ p# f
// Call IDispatch::Invoke()- E% @, p2 g5 p* R5 x4 ?8 n
5 X4 s, t3 d) w7 t' f hr = m_pDisp->Invoke(
, j; ^6 {( B: o& R requestID,
1 L7 e* ?. h8 j- `3 t: I2 E IID_NULL,- U6 {/ ~, e- S- Z" C
LOCALE_SYSTEM_DEFAULT,
/ x p6 P3 M5 X5 u8 @ DISPATCH_METHOD,. U R1 |& W+ [1 O
&dp2,
" E5 I- T+ U% q3 M &var,
2 `" {; o8 W( j" Q/ G &ei,6 p a6 Z- F( @: |/ |$ E S
&uiErr);
! v0 k* U& ?# H1 _$ S- j$ ^ s6 z8 h' \' n
SysFreeString(topicStr);
a- Q& n' ?5 N& a SysFreeString(itemStr);& F; U# M, @5 b
请问该程序是获得extend里面的哪个值?* ` o, v$ w, d. s4 ~& h; D
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???? |
|