public static extern bool BackupEventLog(IntPtr hEventLog, string backupFile);

Declare Function BackupEventLog Lib "advapi32.dll" (TODO) As TODO

    static extern bool BackupEventLog(IntPtr hEventLog, string backupFile);

           bool retValue = BackupEventLog(logHandle, exportedEventLogFileName);

The OpenBackupEventLog function opens a handle to a backup event log. This handle can be used with the BackupEventLog function.

[DllImport("advapi32.dll", EntryPoint="OpenBackupEventLog")]

public static extern int OpenBackupEventLogA(

Declare Function OpenBackupEventLog Lib "advapi32.dll" (TODO) As TODO

    if (!BackupEventLog(logHandle, exportedEventLogFileName))