Comments on: VB Graphics Programming: Part 4 (Optimizations Checklist)

By: Santanu Saha

Santanu Saha — Wed, 18 May 2011 13:12:40 +0000

Good one let see whether i will be able to do the program

By: roberto

roberto — Mon, 28 Dec 2009 08:53:44 +0000

i’ve read the articles and the tips&triks are great but i’ve found a little problem applying the code. I use GetImageData and SetImageData (from the brightness demo) to store and retrieve an image (into a picturebox) acquired from a webcam. If the sourcepicbox has the same dimensions of the destpicbox all works fine. but if the destpicbox is different, the images looks like ripped. someone can help me?

By: Tanner

Tanner — Mon, 15 Jun 2009 20:15:22 +0000

Ah, nice catch Mike. I’ve corrected both mistakes and will double-check for any other escape character problems.

Many thanks for pointing those out, and I’m glad the articles have been helpful to you.

By: Mike

Mike — Mon, 15 Jun 2009 17:48:12 +0000

I am absolutely loving these articles! I did discover a few more problems though when you converted your website:

“Therefore, avoid decimals if possible. For example, Red = Red * 1.5 tends to be slower than Red = (Red * 15) 10. ”

Should be:

Therefore, avoid decimals if possible. For example, Red = Red * 1.5 tends to be slower than Red = (Red * 15) \ 10.

“Watch for dividing code. Two points here: 1) always use instead of /. ”

Should Be:
Watch for dividing code. Two points here: 1) always use \ instead of /.

By: miguel

miguel — Thu, 19 Mar 2009 00:10:48 +0000

Great article.

I’m interested in computer vision where the same principles can be applied to obtain a cheap working platform.

Thank you very much for your work.
Miguel