private void OK_Click(object sender, EventArgs e)
{
_libnodavevalue = ncVar.GetNckTag();
this.Close();
}
/// <summary>
/// Create an new Nck tag from an existing one by copying its information
/// </summary>
/// <param name="ncVar"></param>
/// <param name="tag"></param>
public PLCNckTag(NC_Var ncVar, object tag = null)
{
CopyTag(ncVar != null ? ncVar.GetNckTag() : null, tag);
}