static private void ValidateElement(object value)
{
Debug.Assert((value != null) && (value is DeviceFilterElement));
DeviceFilterElement elem = (DeviceFilterElement)value;
// If the filter class is specified, we need the method attribute but
// not the compare and argument attributes.
if (elem.FilterClass != null)
{
if (string.IsNullOrEmpty(elem.Method))
{
throw new ConfigurationErrorsException(
SR.GetString(SR.ConfigSect_MissingAttr, "method"));
}
if (!string.IsNullOrEmpty(elem.Compare))
{
throw new ConfigurationErrorsException(SR.GetString(SR.DevCapSect_ExtraCompareDelegator));
}
else if (!string.IsNullOrEmpty(elem.Argument))
{
throw new ConfigurationErrorsException(SR.GetString(SR.DevCapSect_ExtraArgumentDelegator));
}
// Resolve the method
elem.GetDelegate();
}
// Otherwise, we need the compare and argument attributes but not
// the method attribute.
else
{
if (string.IsNullOrEmpty(elem.Compare))
{
throw new ConfigurationErrorsException(
SR.GetString(SR.DevCapSect_MustSpecify));
}
if (!string.IsNullOrEmpty(elem.Method))
{
throw new ConfigurationErrorsException(
SR.GetString(SR.DevCapSect_ComparisonAlreadySpecified));
}
}
}
public void Remove( DeviceFilterElement deviceFilter ) {
BaseRemove( GetElementKey( deviceFilter ) );
}
public void Add( DeviceFilterElement deviceFilter ) {
BaseAdd( deviceFilter );
}
public void Remove(DeviceFilterElement deviceFilter)
{
BaseRemove(GetElementKey(deviceFilter));
}
public void Add(DeviceFilterElement deviceFilter)
{
BaseAdd(deviceFilter);
}