// Clones this instance and all its children.
internal OptionsBase Clone()
{
OptionsBase options = (OptionsBase)Activator.CreateInstance(this.GetType());
options.CopyFrom(this);
options._chart = this._chart;
return(options);
}
// Initializes this option set copying the value from another option set.
internal virtual void CopyFrom(OptionsBase source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
// copy only the shared base properties.
var targetProperties = TypeDescriptor.GetProperties(this);
var sourceProperties = TypeDescriptor.GetProperties(source);
foreach (PropertyDescriptor pSource in sourceProperties)
{
var pTarget = targetProperties[pSource.Name];
if (pTarget == null || pTarget.PropertyType != pSource.PropertyType)
{
continue;
}
try
{
// go deep for nested options.
if (pSource.PropertyType.IsSubclassOf(typeof(OptionsBase)))
{
// create a new instance of the child options member.
OptionsBase options = (OptionsBase)Activator.CreateInstance(pSource.PropertyType, this);
options.CopyFrom((OptionsBase)pSource.GetValue(source));
pTarget.SetValue(this, options);
}
else
{
if (pSource.ShouldSerializeValue(source))
{
pTarget.SetValue(this, pSource.GetValue(source));
}
}
}
catch { }
}
}
