/// <summary>取得 點位資料中的最大序號</summary>
/// <returns></returns>
private int GetPositionInstancesMaxSn()
{
if (PositionInstances == null || !PositionInstances.Any())
{
return((int)NumUdpSn.Minimum - 1);
}
else
{
var maxSn = PositionInstances.Max(m => m.Sn);
return(maxSn);
}
}
/// <summary>點位資料的 序號 是否存在</summary>
/// <param name="sn">序號</param>
/// <returns></returns>
private bool IsSnExist(int sn)
{
if (PositionInstances == null || !PositionInstances.Any())
{
return(false);
}
else
{
var inst = PositionInstances.Where(m => m.Sn == sn).FirstOrDefault();
if (inst == null)
{
return(false);
}
else
{
return(true);
}
}
}