This code demonstrates manipulation of the keyboard indicator lights in Windows NT 4.0. A few relevant values were borrowed from the DDK headers, so it is not necessary to have the DDK installed, and to build these sources. There s really nothing fancy about this code, it creates a DOS device for the keyboard device, opens a handle to that device, and calls to send DeviceIoControl did function codes to the device. It did require a fair amount digging around in the DDK to create this effect, and it is an interesting twist on an alternate UI mechanism, and thus I felt it might be suitable for inclusion in this archive. A high-level, multi-threaded function to flash a light keyboard continuously in its own thread, is included. This call is demonstrated in the sample project. NTKbdLites can be

Packet : 77433631manipulating_the_keyboard_lights_in_nt_src.zip filelist
projects/NTFlashScrollLight/NTFlashScrollLight.c
projects/NTFlashScrollLight/NTFlashScrollLight.dsp
projects/NTFlashScrollLight/NTFlashScrollLight.dsw
projects/NTFlashScrollLight/NTKbdLites.c
projects/NTFlashScrollLight/NTKbdLites.h
projects/NTFlashScrollLight/NTKbdLites/NTKbdLites.dsp

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．