public KeyboardVisualizer() { LogitechGsdk.LogiLedInit(); bool result = LogitechGsdk.LogiLedSetTargetDevice(4); // 1 == mouse, 4 == keyboard if (!result) { _enabled = false; return; } LogitechGsdk.LogiLedSaveCurrentLighting(); LogitechGsdk.LogiLedSetLighting(0, 0, 0); }