[VB.NET]Example Of How to Create a Dynamic Line Graph [SOURCE][like CPU graph]

Modesty · 2010-09-25T16:00:35+00:00

What this does: Know those graphs you get, like on the task manager showing CPU usage history, the horizontally scrolling ones which scroll to the left, each time a new point is plotted on the graph? Well heres how I managed to create something similar to that in VB.NET. unfortunately it uses timers, this is just a proof of concept. The code is really self explanatory, and is not targetted at beginner users. Place a Picturebox (reccommended size 400 width, 200 height, set the back color to black) and a Button on your form. The picturebox is where the graph will be displayed. Now add a timer with an interval of 1000ms. Go to codeview, and enter these variables, just under "Public Class Form1" Dim whichpoint As Integer = 1 Dim xs() As String = {0, 50, 100, 150, 200, 250, 300, 350} ' an array containing the positions at which each new point will be made Dim ys() As String = {0, 1, 1, 1, 1, 1, 1, 1} ' starting y coords, set at 0 Double click button1, and add this code: timer1.start() Now d

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Sep 26, 2010 01:47 PM

(Sep 26, 2010 01:45 PM)Modesty Wrote: Thanks brah. What did you use, camtasia?

I used a nice little tool I have called VirtualDub, it's pretty nice for making .gif.

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