private void OnDeviceAddRemove(object sender, DriveDetectorEventArgs e)
{
_disks = DiskInfo.GetDisks();
ddlDevice.Items.Clear();
foreach (var disk in _disks)
{
ddlDevice.Items.Add(disk);
if (_selectedDisk != null && _selectedDisk.DiskNumber == disk.DiskNumber)
{
ddlDevice.SelectedItem = disk;
}
}
}
internal void WndProc(ref Message m)
{
if (m.Msg == NativeInterop.WM_DEVICECHANGE)
{
var wParam = m.WParam.ToInt32();
switch (wParam)
{
case NativeInterop.DBT_DEVICEARRIVAL:
case NativeInterop.DBT_DEVICEREMOVECOMPLETE:
{
var devType = Marshal.ReadInt32(m.LParam, 4);
if (devType == NativeInterop.DBT_DEVTYP_VOLUME)
{
var vol = (NativeInterop.DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(m.LParam, typeof(NativeInterop.DEV_BROADCAST_VOLUME));
var driveLetter = DriveMaskToLetter(vol.dbcv_unitmask);
DriveDetectorEventHandler handler = null;
if (wParam == NativeInterop.DBT_DEVICEARRIVAL)
{
handler = DeviceArrived;
}
else
{
handler = DeviceRemoved;
}
if (handler != null)
{
var args = new DriveDetectorEventArgs($"{driveLetter}:\\");
handler(this, args);
}
}
break;
}
}
}
}