private static async void Watcher_Changed(object sender, FileSystemEventArgs e)
{
Debug.WriteLine($"Recycle bin event: {e.ChangeType}, {e.FullPath}");
if (e.Name.StartsWith("$I"))
{
// Recycle bin also stores a file starting with $I for each item
return;
}
if (connection?.IsConnected ?? false)
{
var response = new ValueSet()
{
{ "FileSystem", @"Shell:RecycleBinFolder" },
{ "Path", e.FullPath },
{ "Type", e.ChangeType.ToString() }
};
if (e.ChangeType == WatcherChangeTypes.Created)
{
using var folderItem = new ShellItem(e.FullPath);
var shellFileItem = GetShellFileItem(folderItem);
response["Item"] = JsonConvert.SerializeObject(shellFileItem);
}
// Send message to UWP app to refresh items
await Win32API.SendMessageAsync(connection, response);
}
}
private static async Task ParseArgumentsAsync(Dictionary <string, object> message, string arguments)
{
switch (arguments)
{
case "Terminate":
// Exit fulltrust process (UWP is closed or suspended)
appServiceExit?.Set();
break;
case "Elevate":
// Relaunch fulltrust process as admin
if (!IsAdministrator())
{
try
{
using (Process elevatedProcess = new Process())
{
elevatedProcess.StartInfo.Verb = "runas";
elevatedProcess.StartInfo.UseShellExecute = true;
elevatedProcess.StartInfo.FileName = Process.GetCurrentProcess().MainModule.FileName;
elevatedProcess.StartInfo.Arguments = "elevate";
elevatedProcess.Start();
}
await Win32API.SendMessageAsync(connection, new ValueSet()
{
{ "Success", 0 }
}, message.Get("RequestID", (string)null));
appServiceExit?.Set();
}
catch (Win32Exception)
{
// If user cancels UAC
await Win32API.SendMessageAsync(connection, new ValueSet()
{
{ "Success", 1 }
}, message.Get("RequestID", (string)null));
}
}
else
{
await Win32API.SendMessageAsync(connection, new ValueSet()
{
{ "Success", -1 }
}, message.Get("RequestID", (string)null));
}
break;
default:
foreach (var mh in messageHandlers)
{
await mh.ParseArgumentsAsync(connection, message, arguments);
}
break;
}
}
private async Task SendEvent(string deviceName, string deviceId, DeviceEvent eventType)
{
if (connection?.IsConnected ?? false)
{
await Win32API.SendMessageAsync(connection, new ValueSet()
{
{ "DeviceID", deviceId },
{ "EventType", (int)eventType }
});
}
}
