private void Open()
{
try
{
Handle = IoCtl.CreateFile(
@"\\.\PHYSICALDRIVE" + DiskId.ToString(),
IoCtl.GENERIC_READ,
0,
IntPtr.Zero,
IoCtl.OPEN_EXISTING,
0,
IntPtr.Zero);
if (Handle.IsInvalid)
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
}
catch (Exception ex)
{
throw ex;
}
}
unsafe static void Main(string[] args)
{
if (args.Length < 1)
{
ShowHelp();
return;
}
// Find DFR Device
var instancePath = DfrDeviceDiscovery.FindDfrDevice();
if (string.IsNullOrEmpty(instancePath))
{
System.Console.WriteLine("No DFR device found");
return;
}
System.Console.WriteLine($"Found DFR instance {instancePath}");
var deviceHandle = IoCtl.CreateFile(
instancePath, FileAccess.Write, FileShare.None,
IntPtr.Zero, FileMode.Open, FileOptions.None,
IntPtr.Zero
);
if (deviceHandle == IntPtr.Zero)
{
System.Console.WriteLine("Failed to open DFR device");
return;
}
bool bResult = false;
bool commandFound = true;
switch (args[0].ToLowerInvariant())
{
case "clear":
bResult = ClearDfrFrameBuffer(deviceHandle);
break;
case "draw":
ushort x = 0, y = 0;
// Optional X
if (args.Length >= 3)
{
if (ushort.TryParse(args[2], out ushort tX))
{
x = tX;
}
}
// Optional Y
if (args.Length >= 4)
{
if (ushort.TryParse(args[3], out ushort tY))
{
y = tY;
}
}
bResult = DrawBitmap(deviceHandle, args[1], x, y);
break;
default:
ShowHelp();
commandFound = false;
break;
}
if (!bResult && commandFound)
{
System.Console.WriteLine("Failed to run the command");
}
IoCtl.CloseHandle(deviceHandle);
}