/// <summary>
/// Starts a loop monitoring all keystrokes entered using any HID attached to the system
/// </summary>
private static void MonitorKeystrokes()
{
IntPtr context;
int device;
Interception.Stroke stroke = new Interception.Stroke();
context = Interception.CreateContext();
Interception.SetFilter(context, Interception.IsKeyboard, Interception.Filter.All);
while (Interception.Receive(context, device = Interception.Wait(context), ref stroke, 1) > 0)
{
Console.WriteLine("SCAN CODE: {0}/{1}", stroke.key.code, stroke.key.state);
if (stroke.key.code == ScanCode.X)
{
stroke.key.code = ScanCode.Y;
}
Interception.Send(context, device, ref stroke, 1);
// Hitting escape terminates the program
if (stroke.key.code == ScanCode.Escape)
{
break;
}
}
}
/// <summary>
/// Starts a loop waiting for keyboard events, then writes the
/// output to the console. when running this method, the UI will block and it
/// will appear that the application is frozen. But the keystrokes will still be logged
/// to the debugging console. To break out of this method and release the block on the
/// UI, press the Esc key.
/// </summary>
private static void GetHardwareID()
{
int errorCode = Marshal.GetLastWin32Error();
IntPtr context;
int device;
Interception.Stroke stroke = new Interception.Stroke();
context = Interception.CreateContext();
Interception.SetFilter(context, Interception.IsKeyboard, Interception.Filter.All);
StringBuilder sb = new StringBuilder(500);
while (Interception.Receive(context, device = Interception.Wait(context), ref stroke, 1) > 0)
{
Console.WriteLine("SCAN CODE: {0}/{1}", stroke.key.code, stroke.key.state);
uint iXX = Interception.interception_get_hardware_id(context, device, sb, (uint)sb.Capacity);
string s = sb.ToString();
if (iXX > 0)
{
Console.WriteLine(
s
);
}
else
{
Console.WriteLine("Message here");
}
Interception.Send(context, device, ref stroke, 1);
// Hitting escape terminates this method
// and returns control to windows.
if (stroke.key.code == ScanCode.Escape)
{
break;
}
}
Interception.DestroyContext(context);
}
