private async void OnEditKey()
{
// Init modification status
ModificationMode = ModificationModeType.EditKey;
ModificationTitle = (_currentAppMode == AppMode.User)
? Constants.MODE_EDIT_USER_KEY
: Constants.MODE_EDIT_SYSTEM_KEY;
ModifiedKey = ActiveKey;
ModifiedValue = _currentVars[ActiveKey].Data;
ValidationMessage = string.Empty;
// Show modification dialog
var result = await _modificationService.InitModification(this);
if (result != true)
return;
// NOTE: Each Environment Variable should have a unique key and
// since the Key of the Environment variable is being edited,
// it should result in the creation of a new EnVar object and
// the deletion of the old EnVar object
IsProgressVisible = true;
// Create the new Environment variable
var newVar = new EnVar(_modifiedKey, _modifiedValue);
var keyList = new List<string>();
var delVar = _currentVars[ActiveKey];
_currentVars.Remove(ActiveKey);
_currentVars[newVar.Key] = newVar;
keyList.AddRange(_currentVars.Keys);
// Sort the keys
keyList.Sort();
DisplayKeys = new ObservableCollection<string>(keyList);
ActiveKey = _modifiedKey;
await Task.Run(new Action(() =>
{
// Remove the old Environment variable
RegistryManager.DeleteEnvironmentVariable(delVar, _target);
// Commit the new Environment variable
RegistryManager.SaveEnvironmentVariable(newVar, _target);
}));
IsProgressVisible = false;
}
private async void OnNewKey()
{
// Init modification status
ModificationMode = ModificationModeType.NewKey;
ModificationTitle = (_currentAppMode == AppMode.User)
? Constants.MODE_NEW_USER_KEY
: Constants.MODE_NEW_SYSTEM_KEY;
ModifiedKey = string.Empty;
ModifiedValue = string.Empty;
ValidationMessage = string.Empty;
// Show modification dialog
var result = await _modificationService.InitModification(this);
if (result != true)
return;
IsProgressVisible = true;
// Create the new Environment variable
var newVar = new EnVar(_modifiedKey, _modifiedValue);
_currentVars[newVar.Key] = newVar;
var keyList = new List<string>(_currentVars.Keys);
// Sort the keys
keyList.Sort();
DisplayKeys = new ObservableCollection<string>(keyList);
ActiveKey = _modifiedKey;
// Commit the new Environment variable
await Task.Run(new Action(() =>
{
RegistryManager.SaveEnvironmentVariable(newVar, _target);
}));
IsProgressVisible = false;
}
public static void DeleteEnvironmentVariable(EnVar enVar, EnvironmentVariableTarget varType)
{
Environment.SetEnvironmentVariable(enVar.Key, null, varType);
}
public void InitializeEnvironmentVariables()
{
InitResult = InitResultType.None;
// User Environment Variables
try
{
_userVars.Clear();
// Get the User Environment Variables
var theKey = Registry.CurrentUser;
theKey = theKey.OpenSubKey(Constants.USER_ENV_SUBKEY, true);
// GetValueNames will return the names of all the keys within the Enviroment Key
foreach (var key in theKey.GetValueNames())
{
var keyValue = (theKey.GetValue(key)).ToString();
_userVars[key] = new EnVar(key, keyValue);
}
theKey.Close();
}
catch (SecurityException)
{
// MessageBox.Show(e.Message + " Please restart application in Administrator privileges.", "NVM");
InitResult = InitResultType.AccessDenied;
}
catch (Exception)
{
InitResult = InitResultType.OtherError;
}
// System Environment Variables
try
{
_systemVars.Clear();
// Get the System Environment Variables
var theKey = Registry.LocalMachine;
theKey = theKey.OpenSubKey(Constants.SYSTEM_ENV_SUBKEY, true);
// GetValueNames will return the names of all the keys within the Enviroment Key
foreach (var key in theKey.GetValueNames())
{
var keyValue = (theKey.GetValue(key)).ToString();
_systemVars[key] = new EnVar(key, keyValue);
}
theKey.Close();
}
catch (SecurityException)
{
// Unable to access Environment Variables
InitResult = InitResultType.AccessDenied;
}
catch (Exception e)
{
// Some other unexpected error has occured. Log it!
EventLog.WriteEntry("NVM#", "Initialization Error: " + Environment.NewLine + e, EventLogEntryType.Error);
InitResult = InitResultType.OtherError;
}
if (InitResult == InitResultType.None)
{
// Environment Variables accessed successfully
InitResult = InitResultType.InitOk;
}
}
public static void SaveEnvironmentVariable(EnVar enVar, EnvironmentVariableTarget varType)
{
Environment.SetEnvironmentVariable(enVar.Key, enVar.Data, varType);
}
