private static bool PreventVolumeRemoval(IntPtr handle, bool prevent)
{
byte[] buf = new byte[1];
uint retVal;
buf[0] = prevent ? (byte)1 : (byte)0;
return(OSDelegate.DeviceIoControl(handle, IOCTL_STORAGE_MEDIA_REMOVAL, buf, 1, IntPtr.Zero, 0, out retVal, IntPtr.Zero));
}
private static bool DismountVolume(IntPtr handle)
{
uint byteReturned;
return(OSDelegate.DeviceIoControl(handle, FSCTL_DISMOUNT_VOLUME, IntPtr.Zero, 0, IntPtr.Zero, 0, out byteReturned, IntPtr.Zero));
}
private static bool LockVolume(IntPtr handle)
{
uint byteReturned;
return(OSDelegate.DeviceIoControl(handle, FSCTL_LOCK_VOLUME, IntPtr.Zero, 0, IntPtr.Zero, 0, out byteReturned, IntPtr.Zero));
}
private static IntPtr DriveFileHandle(string driveLetter)
{
string filename = string.Format(@"\\.\{0}", driveLetter);
return(OSDelegate.CreateFile(filename, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, IntPtr.Zero, 0x3, 0, IntPtr.Zero));
}
private static bool CloseHandle(IntPtr handle)
{
return(OSDelegate.CloseHandle(handle));
}
private static bool EjectVolume(IntPtr handle)
{
uint byteReturned;
return(OSDelegate.DeviceIoControl(handle, IOCTL_STORAGE_EJECT_MEDIA, IntPtr.Zero, 0, IntPtr.Zero, 0, out byteReturned, IntPtr.Zero));
}