public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
DataBatch db = value as DataBatch;
if (db != null)
{
if (typeof(string).Equals(destinationType))
{
return(string.Format(CultureInfo.InvariantCulture, "{0},{1},{2},{3}", db.BatchSize, db.Enabled, db.KeyFieldType, db.BatchDelay));
}
}
return(base.ConvertTo(context, culture, value, destinationType));
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value is string)
{
DataBatch db = new DataBatch();
string s = value as string;
if (!string.IsNullOrEmpty(s))
{
int pos = s.IndexOf(',');
if (pos >= 0)
{
string s0 = s.Substring(0, pos);
s = s.Substring(pos + 1);
if (!string.IsNullOrEmpty(s0))
{
int n;
if (int.TryParse(s0, out n))
{
db.BatchSize = n;
}
}
pos = s.IndexOf(',');
if (pos >= 0)
{
s0 = s.Substring(0, pos);
s = s.Substring(pos + 1);
if (!string.IsNullOrEmpty(s0))
{
bool b;
if (bool.TryParse(s0, out b))
{
db.Enabled = b;
}
}
if (!string.IsNullOrEmpty(s))
{
pos = s.IndexOf(',');
if (pos >= 0)
{
s0 = s.Substring(0, pos);
s = s.Substring(pos + 1);
db.KeyFieldType = (DbType)Enum.Parse(typeof(DbType), s0);
if (!string.IsNullOrEmpty(s))
{
int n0;
if (int.TryParse(s, out n0))
{
db.BatchDelay = n0;
}
}
}
else
{
db.KeyFieldType = (DbType)Enum.Parse(typeof(DbType), s);
}
}
}
}
}
return(db);
}
return(base.ConvertFrom(context, culture, value));
}