| private DefineDosDevice ( DDD dwFlags, string lpDeviceName, string lpTargetPath ) : bool | ||
| dwFlags | DDD | |
| lpDeviceName | string | |
| lpTargetPath | string | |
| return | bool | |
private static void StopMonitoringKeyboardLeds()
{
for (ushort i = 0; i < 4; ++i)
{
string kbd_name = "dos_kbd" + i.ToString();
NativeMethods.DefineDosDevice(DDD.REMOVE_DEFINITION, kbd_name, null);
}
Changed -= UpdateKeyboardLeds;
}
private static void StartMonitoringKeyboardLeds()
{
for (ushort i = 0; i < 4; ++i)
{
string kbd_name = "dos_kbd" + i.ToString();
string kbd_class = @"\Device\KeyboardClass" + i.ToString();
NativeMethods.DefineDosDevice(DDD.RAW_TARGET_PATH, kbd_name, kbd_class);
}
Changed += UpdateKeyboardLeds;
}
public static void StopMonitoring()
{
Composer.Changed -= EnableTimer;
DisableTimer();
lock (m_kbd_devices)
{
foreach (ushort id in m_kbd_devices)
{
NativeMethods.DefineDosDevice(DDD.REMOVE_DEFINITION, $"dos_kbd{id}", null);
}
m_kbd_devices.Clear();
}
}
public static void StartMonitoring()
{
lock (m_kbd_devices)
{
// Try to create up to 4 keyboard devices
for (ushort id = 0; id < 4; ++id)
{
if (NativeMethods.DefineDosDevice(DDD.RAW_TARGET_PATH, $"dos_kbd{id}",
$@"\Device\KeyboardClass{id}"))
{
m_kbd_devices.Add(id);
}
}
}
// Use a standard task timer to avoid blocking the composer thread
EnableTimer();
Composer.Changed += EnableTimer;
}