Api.JetRegisterCallback method

Allows the application to configure the database engine to issue notifications to the application for specific events. These notifications are associated with a specific table and remain in effect only until the instance containing the table is shut down using JetTerm(JET_INSTANCE).

Namespace:  Microsoft.Isam.Esent.Interop
Assembly:  Microsoft.Isam.Esent.Interop (in Microsoft.Isam.Esent.Interop.dll)

Syntax

'Declaration
Public Shared Sub JetRegisterCallback ( _
    sesid As JET_SESID, _
    tableid As JET_TABLEID, _
    cbtyp As JET_cbtyp, _
    callback As JET_CALLBACK, _
    context As IntPtr, _
    <OutAttribute> ByRef callbackId As JET_HANDLE _
)
'Usage
Dim sesid As JET_SESID
Dim tableid As JET_TABLEID
Dim cbtyp As JET_cbtyp
Dim callback As JET_CALLBACK
Dim context As IntPtr
Dim callbackId As JET_HANDLEApi.JetRegisterCallback(sesid, _
    tableid, cbtyp, callback, context, _
    callbackId)

public static void JetRegisterCallback(
    JET_SESID sesid,
    JET_TABLEID tableid,
    JET_cbtyp cbtyp,
    JET_CALLBACK callback,
    IntPtr context,
    out JET_HANDLE callbackId
)

Parameters

• sesid
  Type: Microsoft.Isam.Esent.Interop.JET_SESID

  The session to use.

• tableid
  Type: Microsoft.Isam.Esent.Interop.JET_TABLEID

  A cursor opened on the table that the callback should be registered on.

• cbtyp
  Type: Microsoft.Isam.Esent.Interop.JET_cbtyp

  The callback reasons for which the application wishes to receive notifications.

• callback
  Type: Microsoft.Isam.Esent.Interop.JET_CALLBACK

  The callback function.

• context
  Type: System.IntPtr

  A context that will be given to the callback.

• callbackId
  Type: Microsoft.Isam.Esent.Interop.JET_HANDLE

  A handle that can later be used to cancel the registration of the given callback function using JetUnregisterCallback(JET_SESID, JET_TABLEID, JET_cbtyp, JET_HANDLE).

See also

Reference

Api class

Api members

Microsoft.Isam.Esent.Interop namespace