public class XWField : XField

Public Class XWField
	Inherits XField

Imports System
Imports BioloMICS.BioCallback
Imports BioloMICS.SharedClasses
Imports Biolomics.Utility.DatabaseConstants


Public Class Program

    <STAThread()>
    Shared Sub Main()
        Dim program As New Program
        program.ChangeField()
    End Sub

    '    Write sub functions here
    Public Sub ChangeField()
        '    get the current connection
        Dim SqlCo As XConnection = Run.GetCurrentConnection()
        If SqlCo Is Nothing Then
            Return
        End If

        '    get a table from its User name
        Dim TableDef As XTableDef = SqlCo.GetTableDefByUserNameEng("Your_Table_Name")
        If TableDef Is Nothing Then   '    may happen if that table doesn't exist
            Return
        End If
        '    load a Field from that table
        Dim FieldDefMap As New XFieldDefMap
        Dim FieldDef As XFieldDef = SqlCo.GetFieldByDBName("Your_W_Field_name", TableDef.Key)

        If FieldDef Is Nothing Then   '    that field doesn't exist
            Return
        End If
        FieldDefMap.Add(FieldDef)

        '    load all records
        Dim Where As XWhere = XWhere.Eq(StaticFields.id, 2)
        Dim RecordMap As XRecordMap = Run.LoadRecords(TableDef.Key, FieldDefMap, Where)

        For Each Record As XRecord In RecordMap
            Dim Field As XWField = TryCast(Record.Fields(FieldDef.Key), XWField)
            If Field Is Nothing Then   '    this field doesn't exist or is not a W-Field
                Continue For
            End If
            '    rename that field
            Field.Name = "Square"

            '    generate wave y = x*x
            Dim Values As New vector.VectorOfPoint
            Values.Capacity = 21
            For x As Double = -10.0 To 10.0 Step 1.0
                Values.Add(New XPoint(x, x * x))
            Next
            '    change the field values
            Field.Values = Values
            '    save
            Record.Save(False)
        Next

    End Sub


End Class