CodeGuru Home VC++ / MFC / C++ .NET / C# Visual Basic VB Forums Developer.com
Results 1 to 2 of 2
  1. April 23rd, 2001, 01:11 AM #1
    yoon813
    yoon813 is offline Junior Member
    Join Date
    Apr 2001
    Posts
    1

    Virtual Device Driver

    What is Virtual Device Driver?


    Reply With Quote Reply With Quote
  2. June 27th, 2001, 04:13 PM #2
    vampyre
    vampyre is offline Member
    Join Date
    Jul 2000
    Location
    The Netherlands
    Posts
    26

    Re: Virtual Device Driver

    A Device driver is a means of communication between an operating system and an output device,i.e. the screen. A virtual device driver is merely a way to output to devices without directly addressing the device. For windows, this means DC's, Device Contexts. Each window that displays graphics has a device context, and through these contexts you can actually see what windows draws for you. Windows provides numerous API functions to operate on DC's (just search on the net and you'll find something). Perhaps the best known is BitBlt. There's just too much to be told about DC's than I can explain here, but a few tutorials on any VB site can help you out. I hope this info was useful!

    Reply With Quote Reply With Quote
« Previous Thread | Next Thread »

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Forum Rules




Click Here to Expand Forum to Full Width

Featured