|
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:
' e2 j- b, ^7 r, v0 PName = (WCHAR *) L"Poke";# r8 o& c- C- s; `/ k
: Y5 Q6 S4 v& P8 D
hr = m_pDisp->GetIDsOfNames (
6 j4 s& z5 E X IID_NULL, // reserved; x9 j* t& C/ S
&Name, // Array of names to get IDs for
9 Z' N$ k5 e* _, m5 E' o 1, // # of names in the array
9 I6 j4 E9 v: f9 ~6 D! f6 t LOCALE_SYSTEM_DEFAULT, // System locale& T9 `( @( l. I- b) y
&pokeID); // Array of IDs to fill on output
6 ~' N1 W6 w' U5 @) Z& a8 D' M
1 V N6 S* L! u) k' _1 o2 |6 b if (hr)
* V+ d: |0 w1 p {$ S$ R& `6 t1 h2 |9 F6 f, r% M
MessageBox ("Get Poke Unsuccessful");, r. ^& P' d& Q$ `% m( e
return;
0 Y; G$ p2 R1 D: ]. ^8 ]4 m }9 p$ t1 \8 r* C: S5 y& |, Q5 z8 i
& ^* V, X5 p3 v5 u9 H1 w( h
/**************************传递数据给extend**************************************/5 E# |1 R {3 l
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);2 F6 c; k! G$ E
$ m4 X6 ]+ ?$ @& E
valueStr = SysAllocString((WCHAR *) L"1232");& j, L' [5 b9 k
VariantInit(&pokeVariant[0]); ! [, M- m" U! K @% s, E9 }
pokeVariant[0].vt = VT_BSTR;! P7 j# [+ \% `
pokeVariant[0].bstrVal = valueStr; O2 `- ~3 A: t, v# T( ^8 m; {
- J* U# U, F6 w f# C e& N( S* J0 ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, Q6 ^/ `; I Y# m VariantInit(&pokeVariant[1]); 0 y! I H8 X( l8 |* k
pokeVariant[1].vt = VT_BSTR;
: e$ q( f7 S( r3 w# ~ pokeVariant[1].bstrVal = itemStr;. I5 N' K8 F* `* L, c: x/ o$ A
9 j* ~, D/ q, k topicStr = SysAllocString((WCHAR *) L"system");
, C5 C! w5 ]4 W VariantInit(&pokeVariant[2]);
: p9 r% u: W7 i& u$ O pokeVariant[2].vt = VT_BSTR;$ J2 }5 }6 [- z% X1 M; I' ~
pokeVariant[2].bstrVal = topicStr;
6 {" e* Y' y& y9 R+ g/ H/ W: Z/ ~' l8 e; e$ O
// Set the DISPPARAMS structure that holds the variant.
9 F7 t) Y0 A9 W4 o
% f( d) O7 l i, A a5 k dp.rgvarg = pokeVariant;6 I# v% i. m6 z0 u7 U$ V& K
dp.cArgs = 3;9 U2 h. K# \7 V+ i1 G ~+ X
dp.rgdispidNamedArgs = NULL;" j: r0 h8 A$ H# K8 ^# {
dp.cNamedArgs = 0;
W. H7 i6 s3 e7 \4 y3 {8 O# b. o- I! t
// Call IDispatch::Invoke()
4 }0 H0 }) H) k
! k4 ~, V1 K9 F hr = m_pDisp->Invoke(
( `" Y5 ^# l$ `" [7 D pokeID,# j0 C( L8 v/ l3 F8 x. @
IID_NULL,- [# {! a, C& I. X1 G- a$ Z& E
LOCALE_SYSTEM_DEFAULT,
- Y" Y. \5 Q6 o1 H2 y$ b7 c q DISPATCH_METHOD,9 w& \: I8 B/ @! p
&dp,) V9 \0 `% o$ A* F7 i
NULL,
& `" M4 u+ {& e* Z0 g &ei,
2 {# H; q4 N$ [( ~ &uiErr);
6 L5 a, ]% h. M( h; _" S8 B" U
SysFreeString(topicStr);
- I1 _: y- `/ h8 l G8 t SysFreeString(itemStr);- Z( v& b- A$ v% c A5 ]: P7 P8 I9 `
SysFreeString(valueStr);) q" J5 ^1 r: J' [
: Q* H7 x$ ?" }+ S
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???) A4 H+ ]$ `8 ~1 ] N3 _
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????
! Z8 o% X3 O0 w1 p
/ C% M( a2 t/ e" B* O8 f
! R4 F6 T$ l* D2 \' C+ j2.这是request的程序
, @; }" b1 s4 ^5 `: E& \// Request a value from Extend
0 R$ N0 a' _. \. K' T# k2 O/ Y. M//' y) g; H7 `# u0 h- q+ O4 Y
// Initialize the variant that will hold the BSTR. Set the variant's w' y: j/ q: o, j
// type flag to indicate the fact that this variant holds a BSTR. Place the( P. K) G/ x7 D. E, {' ^
// BSTR into the variant structure.
. A1 u3 ?% k4 }$ k/ e8 Q
! ]+ G ]" ^) T2 u9 I6 G; j requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);' @5 g( ~- N/ ?) P, \! y0 D( b
( |1 s7 Q& h& r1 K0 V
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: B: o S9 O0 o+ V$ @ VariantInit(&requestVariant[0]); 3 C# A+ o5 V! }9 Z
requestVariant[0].vt = VT_BSTR;4 a# i. o6 R0 p3 i) B
requestVariant[0].bstrVal = itemStr;
! {; }/ e! Z9 t% W) S ?' x8 \9 o8 d5 i. m% p5 f* @
topicStr = SysAllocString((WCHAR *) L"system");
6 i1 P3 ^' C) u$ J VariantInit(&requestVariant[1]); . {9 g( W( v9 ], e. o5 \+ R0 t
requestVariant[1].vt = VT_BSTR;
6 ]/ b, _1 h3 E9 `( C requestVariant[1].bstrVal = topicStr;! n& u5 t9 Y5 T) n1 @
; I+ y1 k5 T/ K, B3 k// Set the DISPPARAMS structure that holds the variant.
! i9 F/ k/ @, {0 B
3 r0 I: D$ K5 l' @' _4 ?. s dp2.rgvarg = requestVariant;; }8 _3 m# J' m3 o( n5 G, t6 i8 H
dp2.cArgs = 2;3 b" ?; |7 t( N |5 e0 n
dp2.rgdispidNamedArgs = NULL;
2 B! K1 r0 B( M ?& X" ] dp2.cNamedArgs = 0;
# P: q2 W( M6 A! ^3 O9 R- Y4 D) a: f4 N g) s# R+ U
var.vt = VT_EMPTY;
. Z" g; W& Y5 ~3 K( ?+ K7 O7 y6 b- W" c+ \! {9 n
// Call IDispatch::Invoke()# e; w4 N$ m+ N9 J# z0 ^9 v6 v
0 r9 i% p7 e# {, c$ J# Y1 O hr = m_pDisp->Invoke(1 W4 j$ b1 Z! Z1 }; E
requestID,- o+ V' U) C0 b! A
IID_NULL,( j, j* J, s8 n! d) J; i: s
LOCALE_SYSTEM_DEFAULT,8 s9 g4 c0 h. j! @5 d' N$ e3 O
DISPATCH_METHOD,
; [2 m& o: d2 f6 }. G+ J &dp2,( n" X1 U7 {8 y+ I
&var,0 w5 L8 j' v) D
&ei,
, X7 W2 e& r6 G8 s [ &uiErr);
' l( U5 L) N+ q4 \+ }- ~; X6 u \2 B8 w8 H5 }* Q% A" `* z
SysFreeString(topicStr);
: l* [3 q2 Y8 Y3 v$ ?- W SysFreeString(itemStr);8 b( B! d# L5 I6 | i: z$ g
请问该程序是获得extend里面的哪个值?
2 M$ E1 c. D7 Q5 \# R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???? |
|