ADLINK EOS-1200 User Manual

Page 68

Function Library

DIO_INT_EventMessage (ByVal CardNumber As
Short, ByVal mode As Short, ByVal evt As Inte-
ger, ByVal windowHandle As Integer, ByVal mes-
sage As Integer, ByVal callbackAddr As
CallbackDelegate) As Short

short DIO_INT_EventMessage (ushort CardNumber,
short mode, long evt, long windowHandle, uint
message, MulticastDelegate callbackAddr)

Parameter(s)

CardNumber

ID of the card for release.

Mode

Operating mode for adding or removing messages, wherein

0: Remove an existing message interrupt event defined
argument evt.

1: Add a new message for an interrupt event defined

evt

Handle of the INT event to handle

windowHandle

Handle to the window in which a Windows message will be
received when the specified INT event occurs; if windoHan-
dle is 0, no Windows messages will be sent

Message

User-defined message issued when the specified INT event
occurs. The message can be of any value. In Windows, the
message can be set to a value including any Windows pre-
defined messages, such as WM_PAINT. To define a custom
message, any value ranging from WM_USER (0x400) to
0x7fff can be used, this range reserved by Windows for
same.

callbackAddr