public override object ConvertFrom(ITypeDescriptorContext context,
CultureInfo culture, object value)
{
if (value is string)
{
try
{
string s = (string)value;
if (type == null)
{
type = context.PropertyDescriptor.PropertyType;
}
BaseChangeableNumber bcn = BaseChangeableNumber.Convert(s, type);
if (context.PropertyDescriptor.PropertyType == typeof(long))
{
return(bcn.LongValue);
}
if (context.PropertyDescriptor.PropertyType == typeof(ulong))
{
return((ulong)bcn.LongValue);
}
if (context.PropertyDescriptor.PropertyType == typeof(int))
{
return(bcn.IntegerValue);
}
if (context.PropertyDescriptor.PropertyType == typeof(uint))
{
return((uint)bcn.IntegerValue);
}
if (context.PropertyDescriptor.PropertyType == typeof(short))
{
return((short)bcn.IntegerValue);
}
if (context.PropertyDescriptor.PropertyType == typeof(ushort))
{
return((ushort)bcn.IntegerValue);
}
if (context.PropertyDescriptor.PropertyType == typeof(byte))
{
return((byte)bcn.IntegerValue);
}
if (context.PropertyDescriptor.PropertyType == typeof(sbyte))
{
return((sbyte)bcn.IntegerValue);
}
return(bcn);
}
catch
{
throw new ArgumentException(
"Can not convert '" + (string)value + "'. This is not a valid " + BaseChangeableNumber.BaseName + " Number of Type " + type.Name + "!");
}
}
return(base.ConvertFrom(context, culture, value));
}
public override object ConvertTo(ITypeDescriptorContext context,
CultureInfo culture,
object value,
System.Type destinationType)
{
if (destinationType == typeof(System.String) &&
value is BaseChangeableNumber)
{
BaseChangeableNumber so = (BaseChangeableNumber)value;
type = so.Type;
return(so.ToString());
}
else if (destinationType == typeof(System.String))
{
BaseChangeableNumber so = new BaseChangeableNumber(value);
return(so.ToString());
}
return(base.ConvertTo(context, culture, value, destinationType));
}