public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (destinationType == typeof(string))
{
PropertyGridInspector data = value as PropertyGridInspector;
if (data != null)
{
Type type = data._Data.GetType();
if (type == typeof(string) || type == typeof(Uri))
{
return(Convert.ToString(data._Data, CultureInfo.InvariantCulture));
}
DebuggerDisplayAttribute[] attributes = (DebuggerDisplayAttribute[])type.GetCustomAttributes(typeof(DebuggerDisplayAttribute), true);
if (attributes.Length == 1)
{
DebuggerDisplayAttribute text = attributes[0];
return(Regex.Replace(text.Value, @"\{([^\}]+)\}", delegate(Match match)
{
try
{
return Convert.ToString(type.GetProperty(match.Groups[1].Value).GetValue(data._Data, null));
}
catch (Exception exception)
{
return "[" + exception.Message + "]";
}
}));
}
return(data._Data.GetType().FullName);
}
}
return(base.ConvertTo(context, culture, value, destinationType));
}
public override bool GetPropertiesSupported(ITypeDescriptorContext context)
{
if (context != null && context.PropertyDescriptor != null)
{
PropertyGridInspector data = context.PropertyDescriptor.GetValue(context.Instance) as PropertyGridInspector;
if (data == null)
{
return(false);
}
IDictionary dictionary = data._Data as IDictionary;
if (dictionary != null && dictionary.Count == 0)
{
return(false);
}
NameValueCollection collection = data._Data as NameValueCollection;
if (collection != null && collection.Count == 0)
{
return(false);
}
}
return(true);
}