public void BeginEdit()
{
if (inEdit)
{
return;
}
inEdit = true;
backupCopy = this.MemberwiseClone() as mymember;
}
public void EndEdit()
{
if (!inEdit)
{
return;
}
inEdit = false;
backupCopy = null;
}
public override ValidationResult Validate(object value,
System.Globalization.CultureInfo cultureInfo)
{
mymember item = (value as BindingGroup).Items[0] as mymember;
if (item.weight > 500)
{
return(new ValidationResult(false,
"weight is too high"));
}
else if (item.weight > 50)
{
return(new ValidationResult(false,
"weight is too low"));
}
else
{
return(ValidationResult.ValidResult);
}
}