/// <summary>
/// Creates an instance of the <see cref="SpssNumericVariable"/> class,
/// for use when defining a new variable.
/// </summary>
public SpssNumericVariable()
{
this.valueLabels = new SpssNumericVariableValueLabelsDictionary(this);
this.WriteFormat = this.PrintFormat = FormatTypeCode.SPSS_FMT_F;
this.WriteDecimal = this.PrintDecimal = DecimalPlacesDefault;
this.WriteWidth = this.PrintWidth = ColumnWidthDefault;
this.MissingValues = new List<double>(3);
}
/// <summary>
/// Creates an instance of the <see cref="SpssNumericVariable"/> class,
/// for use in loading variables from an existing SPSS data file.
/// </summary>
/// <param name="variables">The containing collection.</param>
/// <param name="varName">The name of the variable.</param>
/// <param name="writeFormat">The write format. The default is <see cref="FormatTypeCode.SPSS_FMT_F"/></param>
/// <param name="writeDecimal">The write decimal.</param>
/// <param name="writeWidth">Width of the write.</param>
/// <param name="printFormat">The print format. The default is <see cref="FormatTypeCode.SPSS_FMT_F"/></param>
/// <param name="printDecimal">The print decimal.</param>
/// <param name="printWidth">Width of the print.</param>
protected internal SpssNumericVariable(SpssVariablesCollection variables, string varName, FormatTypeCode writeFormat, int writeDecimal, int writeWidth, FormatTypeCode printFormat, int printDecimal, int printWidth)
: base(variables, varName)
{
this.valueLabels = new SpssNumericVariableValueLabelsDictionary(this);
MissingValueFormatCode formatCode;
double[] missingValues = new double[3];
ReturnCode result = SpssException.ThrowOnFailure(SpssSafeWrapper.spssGetVarNMissingValues(this.FileHandle, this.Name, out formatCode, out missingValues[0], out missingValues[1], out missingValues[2]), "spssGetVarNMissingValues");
this.MissingValueFormat = formatCode;
this.MissingValues = new List<double>(missingValues.Take(Math.Abs((int)formatCode)));
this.writeDecimal = writeDecimal;
this.writeWidth = writeWidth;
this.writeFormat = writeFormat;
this.printDecimal = printDecimal;
this.printWidth = printWidth;
this.printFormat = printFormat;
}
