// Override ConvertFrom to convert from a string to an instance of Complex.
public override object ConvertFrom(
ITypeDescriptorContext context,
System.Globalization.CultureInfo culture,
object value)
{
string text = value as string;
if (text != null)
{
try
{
return(ComplexProxy.Parse(text));
}
catch (Exception e)
{
throw new Exception(
String.Format("Cannot convert '{0}' ({1}) because {2}",
value,
value.GetType(),
e.Message), e);
}
}
return(base.ConvertFrom(context, culture, value));
}
// Override ConvertTo to convert from an instance of Complex to string.
public override object ConvertTo(
ITypeDescriptorContext context,
System.Globalization.CultureInfo culture,
object value,
Type destinationType)
{
if (destinationType == null)
{
throw new ArgumentNullException("destinationType");
}
//Convert Complex to a string in a standard format.
ComplexProxy c = value as ComplexProxy;
if (c != null && this.CanConvertTo(context, destinationType))
{
return(c.ToString());
}
return(base.ConvertTo(context, culture, value, destinationType));
}
