Smrf.NodeXL.ExcelTemplate.GroupByVertexAttributeDialog.btnAddMinimumValue_Click C# (CSharp) Method

    btnAddMinimumValue_Click
    (
        object sender,
        EventArgs e
    )
    {
        AssertValid();

        ExcelColumnFormat eSelectedVertexColumnFormat =
            this.SelectedVertexColumnFormat;

        switch (eSelectedVertexColumnFormat)
        {
            case ExcelColumnFormat.Number:

                Double dMinimumValue;

                if ( !ValidateDoubleTextBox(txbMinimumValueToAdd,
                    Double.MinValue, Double.MaxValue, "Enter a numeric value.",
                    out dMinimumValue) )
                {
                    return;
                }

                lbxMinimumValues.AddItem<FormattableNumber, Double>(
                    new FormattableNumber(dMinimumValue) );

                txbMinimumValueToAdd.Focus();
                txbMinimumValueToAdd.SelectAll();
                return;

            case ExcelColumnFormat.Date:

                lbxMinimumValues.AddItem<FormattableDate, DateTime>(
                    new FormattableDate(dtpMinimumValueToAdd.Value) );

                break;

            case ExcelColumnFormat.Time:

                lbxMinimumValues.AddItem<FormattableTime, DateTime>(
                    new FormattableTime(dtpMinimumValueToAdd.Value) );

                break;

            case ExcelColumnFormat.DateAndTime:

                lbxMinimumValues.AddItem<FormattableDateAndTime, DateTime>(
                    new FormattableDateAndTime(dtpMinimumValueToAdd.Value) );

                break;

            case ExcelColumnFormat.Other:

                // This should never occur, because the Add button is disabled
                // when the column format is Other.

                Debug.Assert(false);
                break;

            default:

                Debug.Assert(false);
                break;
        }

        dtpMinimumValueToAdd.Focus();
    }