/// <summary>
/// Creates a string representation of this object based on the format string
/// and IFormatProvider passed in.
/// If the provider is null, the CurrentCulture is used.
/// See the documentation for IFormattable for more information.
/// </summary>
/// <returns>
/// A string representation of this object.
/// </returns>
private string ConvertToString(string format, IFormatProvider provider)
{
string convertedValue;
if (!FontStretches.FontStretchToString(RealStretch, out convertedValue))
{
// This can happen only if _stretch member is corrupted.
Invariant.Assert(false);
}
return(convertedValue);
}
/// <summary>
/// ConvertFrom - attempt to convert to a FontStretch from the given object
/// </summary>
/// <exception cref="NotSupportedException">
/// A NotSupportedException is thrown if the example object is null or is not a valid type
/// which can be converted to a FontStretch.
/// </exception>
public override object ConvertFrom(ITypeDescriptorContext td, CultureInfo ci, object value)
{
if (null == value)
{
throw GetConvertFromException(value);
}
String s = value as string;
if (null == s)
{
throw new ArgumentException(SR.Get(SRID.General_BadType, "ConvertFrom"), "value");
}
FontStretch fontStretch = new FontStretch();
if (!FontStretches.FontStretchStringToKnownStretch(s, ci, ref fontStretch))
{
throw new FormatException(SR.Get(SRID.Parsers_IllegalToken));
}
return(fontStretch);
}