public ColumnWidth(double value, ColumnWidthUnitType type)
{
if (double.IsNaN(value))
{
throw new ArgumentException("NaN is not a valid value.", "value");
}
if (double.IsInfinity(value))
{
throw new ArgumentException("Infinity is not a valid value.", "value");
}
if ((type != ColumnWidthUnitType.Pixel) && (type != ColumnWidthUnitType.Star))
{
throw new InvalidEnumArgumentException("type", ( int )type, typeof(ColumnWidthUnitType));
}
if (value < 0d)
{
throw new ArgumentException("Negative values are not valid.", "value");
}
if ((Xceed.Utils.Math.DoubleUtil.AreClose(value, 0d)) && (type == ColumnWidthUnitType.Star))
{
throw new ArgumentException("Zero star (0*) is not a valid value.", "value");
}
m_unitValue = value;
m_unitType = type;
}
internal static ColumnWidth FromString(string stringValue, CultureInfo cultureInfo)
{
stringValue = stringValue.Trim().ToLowerInvariant();
double value = 0.0;
ColumnWidthUnitType unit = ColumnWidthUnitType.Pixel;
int stringValueLength = stringValue.Length;
int unitStringLength = 0;
double factorValue = 1.0;
int index = 0;
for (index = 0; index < ColumnWidthConverter.UnitStrings.Length; index++)
{
if (stringValue.EndsWith(ColumnWidthConverter.UnitStrings[index], StringComparison.Ordinal))
{
unitStringLength = ColumnWidthConverter.UnitStrings[index].Length;
unit = ( ColumnWidthUnitType )index;
break;
}
}
if (index >= ColumnWidthConverter.UnitStrings.Length)
{
// The unit type was not recognized so far. Search for pixel unit types.
for (index = 0; index < ColumnWidthConverter.PixelUnitStrings.Length; index++)
{
if (stringValue.EndsWith(ColumnWidthConverter.PixelUnitStrings[index], StringComparison.Ordinal))
{
unitStringLength = ColumnWidthConverter.PixelUnitStrings[index].Length;
factorValue = ColumnWidthConverter.PixelUnitFactors[index];
break;
}
}
}
if ((stringValueLength == unitStringLength) && (unit == ColumnWidthUnitType.Star))
{
// * was specified alone. Use the default value of 1.
value = 1.0;
}
else
{
// Extract the numeric part of the string.
string valuePartString = stringValue.Substring(0, stringValueLength - unitStringLength);
value = Convert.ToDouble(valuePartString, cultureInfo) * factorValue;
}
return(new ColumnWidth(value, unit));
}
public ColumnWidth( double value, ColumnWidthUnitType type )
{
if( double.IsNaN( value ) )
throw new ArgumentException( "NaN is not a valid value.", "value" );
if( double.IsInfinity( value ) )
throw new ArgumentException( "Infinity is not a valid value.", "value" );
if( ( type != ColumnWidthUnitType.Pixel ) && ( type != ColumnWidthUnitType.Star ) )
throw new InvalidEnumArgumentException( "type", ( int )type, typeof( ColumnWidthUnitType ) );
if( value < 0d )
throw new ArgumentException( "Negative values are not valid.", "value" );
if( ( Xceed.Utils.Math.DoubleUtil.AreClose( value, 0d ) ) && ( type == ColumnWidthUnitType.Star ) )
throw new ArgumentException( "Zero star (0*) is not a valid value.", "value" );
m_unitValue = value;
m_unitType = type;
}
