private void cmbPropertyType_SelectedIndexChanged(object sender, EventArgs e)
        {
            gbAnalogTrigger.Enabled = false;
            gbDigitalTrigger.Enabled = false;
            if (cmbPropertyType.SelectedItem != null && (_property == null || _newProperty))
            {
                ResetComboBoxes();
                SetControlStates();

                switch (cmbPropertyType.SelectedIndex)
                {
                    case (int) enumPropertTypes.Digital:
                        _property = new DigitalTriggerPropertyGroup();
                        break;
                    case (int) enumPropertTypes.Analog:
                        _property = new AnalogTriggerPropertyGroup();
                        break;
                    case (int) enumPropertTypes.LAN:
                        _property = new LANTriggerPropertyGroup();
                        break;
                    case (int) enumPropertTypes.Software:
                        _property = new SoftwareTriggerPropertyGroup();
                        break;
                }
            }
        }
 public static bool LoadFromFile(string fileName, out TriggerPropertyGroup obj)
 {
     Exception exception;
     return LoadFromFile(fileName, out obj, out exception);
 }
 public static bool Deserialize(string input, out TriggerPropertyGroup obj)
 {
     Exception exception;
     return Deserialize(input, out obj, out exception);
 }
 /// <summary>
 /// Deserializes xml markup from file into an TriggerPropertyGroup object
 /// </summary>
 /// <param name="fileName">string xml file to load and deserialize</param>
 /// <param name="obj">Output TriggerPropertyGroup object</param>
 /// <param name="exception">output Exception value if deserialize failed</param>
 /// <returns>true if this Serializer can deserialize the object; otherwise, false</returns>
 public static bool LoadFromFile(string fileName, out TriggerPropertyGroup obj, out Exception exception)
 {
     exception = null;
     obj = default(TriggerPropertyGroup);
     try
     {
         obj = LoadFromFile(fileName);
         return true;
     }
     catch (Exception ex)
     {
         exception = ex;
         return false;
     }
 }
 /// <summary>
 /// Deserializes workflow markup into an TriggerPropertyGroup object
 /// </summary>
 /// <param name="input">string workflow markup to deserialize</param>
 /// <param name="obj">Output TriggerPropertyGroup object</param>
 /// <param name="exception">output Exception value if deserialize failed</param>
 /// <returns>true if this Serializer can deserialize the object; otherwise, false</returns>
 public static bool Deserialize(string input, out TriggerPropertyGroup obj, out Exception exception)
 {
     exception = null;
     obj = default(TriggerPropertyGroup);
     try
     {
         obj = Deserialize(input);
         return true;
     }
     catch (Exception ex)
     {
         exception = ex;
         return false;
     }
 }