/// <summary>
/// Form load event, sets validation and loads device list from stored file.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void FormConfigure_Load(object sender, EventArgs e)
{
string szSettingsFile = ConfigurationSettings.DeviceSettingsPath;
// Setup validation and load devices for devices tab.
this.txtName.Validating += ValidateForm;
this.txtAddress.Validating += ValidateForm;
this.txtPort.Validating += ValidateForm;
this.txtCommunityRO.Validating += ValidateForm;
this.txtUsername.Validating += ValidateForm;
this.txtAuth.Validating += ValidateForm;
this.txtPriv.Validating += ValidateForm;
storedDevices = DeviceConfigurationList.GetDeviceList(szSettingsFile);
RefreshDeviceList();
// Load settings tab data.
if (szSettingsFile != ConfigurationSettings.DefaultStoragePath)
{
checkStorage.Checked = true;
txtStorage.Enabled = true;
txtStorage.Text = szSettingsFile;
}
if (ConfigurationSettings.DNSLookups)
{
checkDNS.Checked = true;
}
if (ConfigurationSettings.SNMPTimeout != 10000)
{
checkTimeout.Checked = true;
txtTimeout.Value = ConfigurationSettings.SNMPTimeout / 1000;
}
}
/// <summary>
/// Serializes a DeviceConfigurationList object to a file.
/// </summary>
/// <param name="filename"></param>
/// <param name="objectToSerialize"></param>
public void SerializeObject(string filename, DeviceConfigurationList objectToSerialize)
{
Stream stream = File.Open(filename, FileMode.Create);
BinaryFormatter bFormatter = new BinaryFormatter();
bFormatter.Serialize(stream, objectToSerialize);
stream.Close();
}
/// <summary>
/// Deserializes the configuration and populates the combo box with the device list.
/// </summary>
private void RefreshDeviceList()
{
storedDevices.Devices.Clear();
combDevices.Items.Clear();
storedDevices = new DeviceConfigurationSerializer().DeSerializeObject(ConfigurationSettings.DeviceSettingsPath);
foreach (DeviceConfiguration device in storedDevices.Devices)
{
combDevices.Items.Add(device.Name);
}
}
/// <summary>
/// Serializes the list and saves to disk.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnSave_Click(object sender, EventArgs e)
{
addDeviceToStorage();
try
{
DeviceConfigurationList.SaveDeviceList(ConfigurationSettings.DeviceSettingsPath, storedDevices);
}
catch (Exception ex)
{
MessageBox.Show("Unable to save device configuration information." + System.Environment.NewLine + System.Environment.NewLine + ex.Message,
"An error has occured", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
btnSave.Enabled = false;
}
/// <summary>
/// Remove the selected item from the list.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnDelete_Click(object sender, EventArgs e)
{
// Remove the device from the storage instance on this form.
storedDevices.Devices.Remove(
storedDevices.Devices.Find(d => d.Name == listDevices.SelectedItem.ToString())
);
// Remove from the user-visible lis.t
listDevices.Items.Remove(listDevices.SelectedItem);
// Serialize the object to disk once more.
DeviceConfigurationList.SaveDeviceList(ConfigurationSettings.DeviceSettingsPath, storedDevices);
ClearFormContents();
grpGeneral.Enabled = false;
grpCommunities.Enabled = false;
grpSecPriv.Enabled = false;
btnDelete.Enabled = false;
}
/// <summary>
/// Serializes the device list to a file.
/// </summary>
/// <param name="szFileName"></param>
/// <param name="devices"></param>
public static void SaveDeviceList(string szFileName, DeviceConfigurationList devices)
{
DeviceConfigurationSerializer serializer = new DeviceConfigurationSerializer();
serializer.SerializeObject(szFileName, devices);
}