void _Detector_DeviceChanged(object sender, DeviceDetectorEventArgs e)
{
ControlsHelper.BeginInvoke(() =>
{
InfoLabel.Text = e.ChangeType.ToString();
});
}
private void detector_DeviceChanged(object sender, DeviceDetectorEventArgs e)
{
if (e.ChangeType == Win32.DBT.DBT_DEVNODES_CHANGED)
{
RefreshHardwareList();
}
}
void _Detector_DeviceChanged(object sender, DeviceDetectorEventArgs e)
{
BeginInvoke((MethodInvoker)delegate ()
{
InfoLabel.Text = e.ChangeType.ToString();
});
}
void _Detector_DeviceChanged(object sender, DeviceDetectorEventArgs e)
{
BeginInvoke((MethodInvoker) delegate()
{
InfoLabel.Text = e.ChangeType.ToString();
});
}
private void Detector_DeviceChanged(object sender, DeviceDetectorEventArgs e)
{
RefreshHardwareList();
if (MainTabControl.SelectedTab != LogsTabPage)
{
return;
}
AddLogLine("{0}: {1} {2}", e.ChangeType, e.DeviceType, e.DeviceInfo);
}
void RaiseDeviceChanged(object sender, DeviceDetectorEventArgs e)
{
var ev = DeviceChanged;
if (ev != null)
{
var eventListeners = ev.GetInvocationList();
for (int i = 0; i < eventListeners.Count(); i++)
{
var methodToInvoke = (DeviceDetectorEventHandler)eventListeners[i];
methodToInvoke.BeginInvoke(sender, e, EndAsyncEvent, null);
}
}
}
private void RaiseDeviceChanged(object sender, DeviceDetectorEventArgs e)
{
var ev = DeviceChanged;
if (ev == null)
{
return;
}
var eventListeners = ev.GetInvocationList();
for (var i = 0; i < eventListeners.Length; i++)
{
var methodToInvoke = (DeviceDetectorEventHandler)eventListeners[i];
methodToInvoke.BeginInvoke(sender, e, EndAsyncEvent, null);
}
}
/// <summary>
/// Message handler which must be called from client form. Processes Windows messages and calls event handlers.
/// </summary>
/// <param name="m"></param>
public void WndProc(ref Message m)
{
if (m.Msg == WM_DEVICECHANGE)
{
var changeType = (DBT)m.WParam.ToInt32();
object deviceInfo = null;
DBCH_DEVICETYPE? deviceType = null;
if (m.LParam != IntPtr.Zero)
{
var hdr = (DEV_BROADCAST_HDR)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_HDR));
deviceType = hdr.dbch_devicetype;
switch (deviceType)
{
case DBCH_DEVICETYPE.DBT_DEVTYP_DEVICEINTERFACE:
var di = (DEV_BROADCAST_DEVICEINTERFACE)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_DEVICEINTERFACE));
IntPtr dName = new IntPtr(m.LParam.ToInt64() + Marshal.OffsetOf(typeof(DEV_BROADCAST_DEVICEINTERFACE), "dbcc_name").ToInt64());
di.dbcc_name = Marshal.PtrToStringAuto(dName).ToCharArray();
deviceInfo = di;
break;
case DBCH_DEVICETYPE.DBT_DEVTYP_HANDLE:
deviceInfo = (DEV_BROADCAST_HANDLE)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_HANDLE));
break;
case DBCH_DEVICETYPE.DBT_DEVTYP_OEM:
deviceInfo = (DEV_BROADCAST_OEM)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_OEM));
break;
case DBCH_DEVICETYPE.DBT_DEVTYP_PORT:
var pi = (DEV_BROADCAST_PORT)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_PORT));
IntPtr pName = new IntPtr(m.LParam.ToInt64() + Marshal.OffsetOf(typeof(DEV_BROADCAST_PORT), "dbcc_name").ToInt64());
pi.dbcc_name = Marshal.PtrToStringAuto(pName).ToCharArray();
deviceInfo = pi;
break;
case DBCH_DEVICETYPE.DBT_DEVTYP_VOLUME:
deviceInfo = (DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_VOLUME));
break;
default:
break;
}
}
var e = new DeviceDetectorEventArgs(changeType, deviceType, deviceInfo);
if (DeviceChanged != null) DeviceChanged(this, e);
switch (changeType)
{
// Device is about to be removed. Any application can cancel the removal.
case DBT.DBT_DEVICEQUERYREMOVE:
if (deviceType == DBCH_DEVICETYPE.DBT_DEVTYP_HANDLE)
{
// If the client wants to cancel, let Windows know.
if (e.Cancel) m.Result = (IntPtr)BROADCAST_QUERY_DENY;
}
break;
}
}
}
void _Detector_DeviceChanged(object sender, DeviceDetectorEventArgs e)
{
InfoLabel.Text = e.ChangeType.ToString();
}
/// <summary>
/// Message handler which must be called from client form. Processes Windows messages and calls event handlers.
/// </summary>
/// <param name="m"></param>
public void WndProc(ref Message m)
{
if (m.Msg == WM_DEVICECHANGE)
{
var changeType = (DBT)m.WParam.ToInt32();
object deviceInfo = null;
DBCH_DEVICETYPE?deviceType = null;
if (m.LParam != IntPtr.Zero)
{
var hdr = (DEV_BROADCAST_HDR)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_HDR));
deviceType = hdr.dbch_devicetype;
switch (deviceType)
{
case DBCH_DEVICETYPE.DBT_DEVTYP_DEVICEINTERFACE:
var di = (DEV_BROADCAST_DEVICEINTERFACE)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_DEVICEINTERFACE));
IntPtr dName = new IntPtr(m.LParam.ToInt64() + Marshal.OffsetOf(typeof(DEV_BROADCAST_DEVICEINTERFACE), "dbcc_name").ToInt64());
di.dbcc_name = Marshal.PtrToStringAuto(dName).ToCharArray();
deviceInfo = di;
break;
case DBCH_DEVICETYPE.DBT_DEVTYP_HANDLE:
deviceInfo = (DEV_BROADCAST_HANDLE)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_HANDLE));
break;
case DBCH_DEVICETYPE.DBT_DEVTYP_OEM:
deviceInfo = (DEV_BROADCAST_OEM)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_OEM));
break;
case DBCH_DEVICETYPE.DBT_DEVTYP_PORT:
var pi = (DEV_BROADCAST_PORT)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_PORT));
IntPtr pName = new IntPtr(m.LParam.ToInt64() + Marshal.OffsetOf(typeof(DEV_BROADCAST_PORT), "dbcc_name").ToInt64());
pi.dbcc_name = Marshal.PtrToStringAuto(pName).ToCharArray();
deviceInfo = pi;
break;
case DBCH_DEVICETYPE.DBT_DEVTYP_VOLUME:
deviceInfo = (DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_VOLUME));
break;
default:
break;
}
}
var e = new DeviceDetectorEventArgs(changeType, deviceType, deviceInfo);
if (DeviceChanged != null)
{
DeviceChanged(this, e);
}
switch (changeType)
{
// Device is about to be removed. Any application can cancel the removal.
case DBT.DBT_DEVICEQUERYREMOVE:
if (deviceType == DBCH_DEVICETYPE.DBT_DEVTYP_HANDLE)
{
// If the client wants to cancel, let Windows know.
if (e.Cancel)
{
m.Result = (IntPtr)BROADCAST_QUERY_DENY;
}
}
break;
}
}
}
/// <summary>
/// Message handler which must be called from client form. Processes Windows messages and calls event handlers.
/// </summary>
/// <param name="m"></param>
public void WndProc(ref Message m)
{
// Please note that only top-level window of the form will receive a set of default WM_DEVICECHANGE messages
// when new devices added, become available or removed.
// You do not need to register to receive these default messages.
if (m.Msg == WM_DEVICECHANGE)
{
object deviceInfo = null;
DBCH_DEVICETYPE?deviceType = null;
if (m.LParam != IntPtr.Zero)
{
var hdr = (DEV_BROADCAST_HDR)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_HDR));
deviceType = hdr.dbch_devicetype;
switch (deviceType)
{
case DBCH_DEVICETYPE.DBT_DEVTYP_DEVICEINTERFACE:
var di = (DEV_BROADCAST_DEVICEINTERFACE)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_DEVICEINTERFACE));
IntPtr dName = new IntPtr(m.LParam.ToInt64() + Marshal.OffsetOf(typeof(DEV_BROADCAST_DEVICEINTERFACE), "dbcc_name").ToInt64());
di.dbcc_name = Marshal.PtrToStringAuto(dName).ToCharArray();
deviceInfo = di;
break;
case DBCH_DEVICETYPE.DBT_DEVTYP_HANDLE:
deviceInfo = (DEV_BROADCAST_HANDLE)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_HANDLE));
break;
case DBCH_DEVICETYPE.DBT_DEVTYP_OEM:
deviceInfo = (DEV_BROADCAST_OEM)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_OEM));
break;
case DBCH_DEVICETYPE.DBT_DEVTYP_PORT:
var pi = (DEV_BROADCAST_PORT)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_PORT));
IntPtr pName = new IntPtr(m.LParam.ToInt64() + Marshal.OffsetOf(typeof(DEV_BROADCAST_PORT), "dbcc_name").ToInt64());
pi.dbcc_name = Marshal.PtrToStringAuto(pName).ToCharArray();
deviceInfo = pi;
break;
case DBCH_DEVICETYPE.DBT_DEVTYP_VOLUME:
deviceInfo = (DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_VOLUME));
break;
default:
break;
}
}
var changeType = (DBT)m.WParam.ToInt32();
var e = new DeviceDetectorEventArgs(changeType, deviceType, deviceInfo);
RaiseDeviceChanged(this, e);
switch (changeType)
{
// Device is about to be removed. Any application can cancel the removal.
case DBT.DBT_DEVICEQUERYREMOVE:
if (deviceType == DBCH_DEVICETYPE.DBT_DEVTYP_HANDLE)
{
// If the client wants to cancel, let Windows know.
if (e.Cancel)
{
m.Result = (IntPtr)BROADCAST_QUERY_DENY;
}
}
break;
}
}
}
void _Detector_DeviceChanged(object sender, DeviceDetectorEventArgs e)
{
InfoLabel.Text = e.ChangeType.ToString();
}
void detector_DeviceChanged(object sender, DeviceDetectorEventArgs e)
{
if (e.ChangeType == Win32.DBT.DBT_DEVNODES_CHANGED)
{
RefreshHardwareList();
}
}
