public class Class1 : Component
{
private Size _size;
public Class1()
{
_size = new Size();
}
[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
public Size Size
{...
}
public class SizeConverter : TypeConverter
{
...
}
[TypeConverter(typeof(SizeConverter))] //
public class Size
{
}