ADLINK Technology MXC-6401D, User Manual

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PRELIMINARY
100 Digital Input/Output Function Library
specified message, the event handle for the message must be
identified.
Syntax
C/C++ and Borland C++
I16 DIO_INT_EventMessage (I16 mode, HANDLE evt,
HANDLE windowHandle, U32 message, U32
callbackAddr)
Visual Basic
DIO_INT_EventMessage (ByVal mode As Integer,
ByVal evt As Long, ByVal windowHandle As
Long, ByVal message As Long, ByVal
callbackAddr As Long) As Integer
Parameter(s)
mode
Operation mode of adding or removing message, with
0 Removes an existing message interrupt event defined argu-
ment event
1 Adds a new message for an interrupt event defined
evt
Handle of the INT event to be handled.
windowHandle
Handle to the destination window for a Windows message
when the specified INT event occurs. If windowHandle is 0, no
Windows messages will be sent.
message
User-defined message. When the specified INT event occurs,
MXC-6400 matrix_dio remits this message. The message can
be of any value. In Windows, the message can be set to a
value including any Windows predefined messages, such as
WM_PAINT. However, to define a designated message, any
value ranging from WM_USER (0x400) to 0x7fff can be used.
This range is reserved by Windows for user-defined messages.
callbackAddr