データ検証の使用 (XamSpreadsheet)

Me.XamSpreadsheet1.EditModeValidationError += EditModeValidationError_Handler
Public Sub EditModeValidationError_Handler(sender As Object, _
            e As SpreadsheetEditModeValidationErrorEventArgs)
    Dim obj = Me.XamSpreadsheet1.ActiveWorksheet.Rows(e.Cell.Row).Cells(e.Cell.Column).Value
    Dim number As Integer
    If Integer.TryParse(obj.ToString(), number) Then
        e.Action = SpreadsheetEditModeValidationErrorAction.AcceptChange
    Else
        e.Action = SpreadsheetEditModeValidationErrorAction.StayInEditMode
    End If
End Sub

this.XamSpreadsheet1.EditModeValidationError += EditModeValidationError_Handler;
public void EditModeValidationError_Handler(
    object sender,
    SpreadsheetEditModeValidationErrorEventArgs e)
{
    var obj = this.XamSpreadsheet1.ActiveWorksheet.Rows[e.Cell.Row].Cells[e.Cell.Column].Value;
    int number;
    if (int.TryParse(obj.ToString(), out number))
    {
        e.Action = SpreadsheetEditModeValidationErrorAction.AcceptChange;
    }
    else
    {
        e.Action = SpreadsheetEditModeValidationErrorAction.StayInEditMode;
    }
}

<Button
    Content="Show Validation Circles"
    ig:Commanding.CommandTarget="{Binding ElementName=xamSpreadsheet1}">
    <ig:Commanding.Command>
        <igPrim:SpreadsheetCommandSource
            EventName="Click"
            CommandType="CircleInvalidData" />
    </ig:Commanding.Command>
</Button>
<ig:XamSpreadsheet x:Name="xamSpreadsheet1" />

<Button
    Content="Clear Validation Circles"
    ig:Commanding.CommandTarget="{Binding ElementName=xamSpreadsheet1}">
    <ig:Commanding.Command>
        <igPrim:SpreadsheetCommandSource
            EventName="Click"
            CommandType="ClearValidationCircles" />
    </ig:Commanding.Command>
</Button>
<ig:XamSpreadsheet x:Name="xamSpreadsheet1" />