/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
// Whenever the form closes we need to unregister the
// hardware notifier. Failure to do so could cause
// the system not to release some resources. Calling
// this method if you are not currently hooking the
// hardware events has no ill effects so better to be
// safe than sorry.
if (detector != null)
{
detector.Dispose();
detector = null;
}
components.Dispose();
}
base.Dispose(disposing);
}
private static string GetStringPropertyForDevice(IntPtr deviceInfoSet, SP_DEVINFO_DATA deviceInfoData, SPDRP propId)
{
uint proptype;
uint outsize = 0;
var buffer = new byte[MAX_DEVICE_LEN];
var result = DeviceDetector.SetupDiGetDeviceRegistryProperty(deviceInfoSet, ref deviceInfoData, (uint)propId, out proptype, buffer, (uint)buffer.Length, out outsize);
if (!result)
{
var errcode = Marshal.GetLastWin32Error();
if (errcode == ERROR_INVALID_DATA)
{
return(null);
}
throw new Exception("Error calling SetupDiGetDeviceRegistryPropertyW: " + errcode);
}
var o = "";
if (outsize > 0)
{
switch (proptype)
{
case (uint)REG.REG_SZ:
o = Encoding.Unicode.GetString(buffer, 0, (int)outsize - 2);
break;
case (uint)REG.REG_MULTI_SZ:
o = Encoding.Unicode.GetString(buffer, 0, (int)outsize - 2);
o = o.Trim('\0').Replace("\0", "\r\n");
break;
default:
break;
}
}
return(o);
}
public DeviceDetectorForm(DeviceDetector detector)
{
InitializeComponent();
_Detector = detector;
_Detector.DeviceChanged += new DeviceDetector.DeviceDetectorEventHandler(_Detector_DeviceChanged);
}
private async Task CheckAndClean(bool clean)
{
LogTextBox.Clear();
MainTabControl.SelectedTab = LogsTabPage;
var cancellationToken = new CancellationToken(false);
var so = ControlsHelper.MainTaskScheduler;
var unused = Task.Factory.StartNew(() =>
{
AddLogLine("Enumerating Devices...");
var devices = DeviceDetector.GetDevices();
var offline = devices.Where(x => !x.IsPresent && x.IsRemovable && !x.Description.Contains("RAS Async Adapter")).ToArray();
var problem = devices.Where(x => x.Status.HasFlag(DeviceNodeStatus.DN_HAS_PROBLEM)).Except(offline).ToArray();
var unknown = devices.Where(x => x.Description.Contains("Unknown")).Except(offline).Except(problem).ToArray();
var list = new List <string>();
if (offline.Length > 0)
{
list.Add(string.Format("{0} offline devices.", offline.Length));
}
if (problem.Length > 0)
{
list.Add(string.Format("{0} problem devices.", problem.Length));
}
if (unknown.Length > 0)
{
list.Add(string.Format("{0} unknown devices.", unknown.Length));
}
var message = string.Join("\r\n", list);
if (list.Count == 0)
{
AddLogLine("No offline, problem or unknown devices found.");
}
else if (clean)
{
foreach (var item in list)
{
AddLogLine(item);
}
var result = DialogResult.No;
ControlsHelper.Invoke(new Action(() =>
{
var form = new JocysCom.ClassLibrary.Controls.MessageBoxForm
{
StartPosition = FormStartPosition.CenterParent
};
ControlsHelper.CheckTopMost(form);
result = form.ShowForm(
"Do you want to remove offline, problem or unknown devices?\r\n\r\n" + message,
"Do you want to remove devices?",
MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
form.Dispose();
}));
if (result != DialogResult.Yes)
{
return;
}
var devList = new List <DeviceInfo>();
devList.AddRange(offline);
devList.AddRange(problem);
devList.AddRange(unknown);
for (var i = 0; i < devList.Count; i++)
{
var item = devList[i];
AddLogLine("Removing Device: {0}/{1} - {2}", i + 1, list.Count, item.Description);
try
{
var exception = DeviceDetector.RemoveDevice(item.DeviceId);
if (exception != null)
{
AddLogLine(exception.Message);
}
//System.Windows.Forms.Application.DoEvents();
}
catch (Exception ex)
{
AddLogLine(ex.Message);
}
}
}
AddLogLine("Done");
}, CancellationToken.None, TaskCreationOptions.LongRunning, so).ConfigureAwait(true);
}
private void ScanButton_Click(object sender, EventArgs e)
{
DeviceDetector.ScanForHardwareChanges();
}
public DeviceDetectorForm(DeviceDetector detector)
{
InitializeComponent();
_Detector = detector;
_Detector.DeviceChanged += new DeviceDetector.DeviceDetectorEventHandler(_Detector_DeviceChanged);
}
/// <summary>
/// In the form load we take an initial hardware inventory,
/// then hook the notifications so we can respond if any
/// device is added or removed.
/// </summary>
private void HardwareControl_Load(object sender, EventArgs e)
{
if (IsDesignMode) return;
UpdateButtons();
RefreshHardwareList();
detector = new DeviceDetector(false);
detector.DeviceChanged += new DeviceDetector.DeviceDetectorEventHandler(detector_DeviceChanged);
}
