public static long SizeOf(this FieldInfo field, object value)
{
Type type = field.FieldType;
if (type.IsValueType && type != typeof(DateTime))
{
return(Marshal.SizeOf(type));
}
else if (type.IsArray)
{
IEnumerable array = value as IEnumerable;
return(array.SizeOf());
}
else if (type == typeof(string))
{
StringLimitAttribute attribute = field.GetCustomAttribute <StringLimitAttribute>();
return(attribute.SizeOf());
}
else if (type == typeof(DateTime))
{
return(4);
}
else
{
return(0);
}
}
public static long SizeOf(this StringLimitAttribute attribute)
{
if (attribute == null)
{
return(0);
}
int charSize = Marshal.SizeOf <char>();
int length = attribute.MaxLength;
long totalSize = charSize * length;
return(totalSize);
}