GallantJR2 wrote:They have inversed the blue and red in the uint... use that snippet :public static class Generic{ public static uint ToUint(this System.Drawing.Color c) { return (uint)(((c.A << 24) | (c.B << 16) | (c.G <<  | c.R) & 0xf...

What device you tested on? I've tried on notebook's keyboard and it doesn't work.In ServiceMediator works only get_QueryAllDeviceCap method and returns info about my keyboard? but GetProfile and SetProfile do nothing.I've found a way to controll leds...