/// <summary>
/// 返回历史值
/// </summary>
/// <param name="tagName"></param>
/// <param name="time"></param>
/// <returns></returns>
public static double returnValueByTagName(string tagName, string time)
{
PiLink.declare pk = new PiLink.declare();
object drval = null;
object bval = null;
object bsize = null;
object istat = null;
object flags = null;
int j = pk.GetHistValue(ref tagName, ref drval, ref bval, ref bsize, ref istat, ref flags, ref time);
if (j == 0)
{ return Convert.ToDouble(drval.ToString()); }
else
{ return Convert.ToDouble(drval.ToString()); }
}
/// <summary>
/// 返回历史值
/// </summary>
/// <param name="tagName"></param>
/// <param name="time"></param>
/// <returns></returns>
static public double returnValueByTagName(string tagName, string time)
{
PiLink.declare pk = new PiLink.declare();
object drval = null;
object bval = null;
object bsize = null;
object istat = null;
object flags = null;
int j = pk.GetHistValue(ref tagName, ref drval, ref bval, ref bsize, ref istat, ref flags, ref time);
if (j == 0)
{
return(Convert.ToDouble(drval.ToString()));
}
else
{
return(Convert.ToDouble(drval.ToString()));
}
}
/// <summary>
/// 取历史值
/// </summary>
/// <param name="pName"></param>
/// <param name="time"></param>
/// <param name="val"></param>
public void GetHisValue(string pName, string time, ref double val)
{
PiLink.declare pk = new PiLink.declare();
object drval = null;
object bval = null;
object bsize = null;
object istat = null;
object flags = null;
int j = pk.GetHistValue(ref pName, ref drval, ref bval, ref bsize, ref istat, ref flags, ref time);
if (j == 0)
{
val = double.Parse(drval.ToString());
}
else
{
val = 0;
}
}
/// <summary>
/// 取历史值
/// </summary>
/// <param name="pName"></param>
/// <param name="time"></param>
/// <param name="val"></param>
public void GetHisValue(string pName, string time, ref double val)
{
PiLink.declare pk = new PiLink.declare();
object drval = null;
object bval = null;
object bsize = null;
object istat = null;
object flags = null;
int j = pk.GetHistValue(ref pName, ref drval, ref bval, ref bsize, ref istat, ref flags, ref time);
if (j == 0)
val = double.Parse(drval.ToString());
else
//val = 0;
{ val = -1000000; }
}
