Casio DT-X8 Series Manual do Utilizador descarregar pdf (Página 42)

3.23 SysCheckIOBOX

This function retrieves the status of contact established between the terminal and cradle. The

condition between the two devices can be monitored by setting timeout time. See also note below.

Calling Sequences

[C++]

DWORD SysCheckIOBOX(

DWORD time_out

)

[Visual Basic]

Public Shared Function SysCheckIOBOX( _

ByVal time_out As Int32 _

) As Int32

[C#]

public static Int32 SysCheckIOBOX(

Int32 time_out

);

Parameters

time_out

This parameter is for specifying a period of time for monitoring the contact status selecting

one of the values listed below. Any value below 200 will be automatically rounded off to

200.

200 to 3600000 : Contact status monitoring time (in millisecond)

INFINITE : Infinite monitoring time (no timeout)

Return Values

0 : Contact detected

-1 : Timeout occurred

FUNCTION_UNSUPPORT : Unsupported error

Note:

If the function is carried out continuously, be sure to set up an interval of one second or

longer before the subsequent execution of the function takes place.

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 170 171

Sem comentários

Casio DT-X8 Series Manual do Utilizador Página 42