ADLINK Technology HDV62, User Manual

Page: 138 / 164

Programming Guide 127
5.4.4 INotify
5.4.4.1 Enable and Disable Event
Purpose
These functions enable or disable event of DI interrupt.
Prototype

C/C++
HRESULT EnableEvent (ULONG EventID, BYTE
*EventHandle, BYTE **Cookie)
HRESULT DisableEvent (ULONG EventID, BYTE *Cookie)
 C#
int EnableEvent (uint EventID, IntPtr EventHandle,
out IntPtr Cookie)
int DisableEvent (uint EventID, IntPtr Cookie)
 VB.Net
EnableEvent (ByVal EventID As UInteger, ByVal
EventHandle As IntPtr, ByRef Cookie As IntPtr) As
Integer
DisableEvent (ByVal EventID As UInteger, ByValCookie
As IntPtr) As Integer
Parameters
 EventID
A user defined positive number
 EventHandle
A handle created by user’s application
 Cookie
A pointer to retain the address of object created by
EnableEvent routine. This variable is used for releasing this
created object.
Return Value
No error occurs if return value >= 0; if negative value, call AMGet-
ErrorText function to get error information about return codes.