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Type: Posts; User: tigerWereWolfMonkey

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  1. Re: Chart Y axis autoscale quits working if I remove points from the series

    Tommy,

    This seems like it would be inefficient to clear the series and then add all of the points back in instead of just removing one point. But. I have no idea what actually happens when I call...
  2. Re: Chart Y axis autoscale quits working if I remove points from the series

    I found a fix. Each time I add a new point, I use the following line:
    ChartArea.RecalculateAxesScale()
    It does what I want but I wonder if this is an inefficient way around it.
  3. Chart Y axis autoscale quits working if I remove points from the series

    I am using Vb.Net - Visual Studio 2015

    I have a chart to which I am adding points at regular intervals as I sample a real world measurement (like an oscilloscope). The x axis is time and the Y...
  4. VS 2015 Chart control / Chart Areas / multiple charts

    Hi,

    I need help understanding proper usage of the Chart Areas feature of the chart control. I understand that a chart control can have multiple chart areas and that each chart area can chart...
  5. Re: [RESOLVED] How can I access methods in a parent class?

    Thanks for the additional information. If it was only a dozen lines, I would have done exactly as you said to begin with. However, it is a very large class with a ton of properties. I found the...
  6. Re: How can I access methods in a parent class?

    Thanks for the input.

    I resolved my situation which resulted from the serialization deep copy causing the person class to store the entire line instead of just a reference to it. I did this by...
  7. Re: How can I access methods in a parent class?

    In your analogy, what if the driver needs to know whether he is in the EZPass lane or a "cash only' lane?


    (Sorry if this posts twice. I didn't see it post and assumed I did something wrong)
  8. Re: How can I access methods in a parent class?

    I am using the "line" to sequence the steps. But, I still need the step to know the actual step number based on the ID because the step class has a documentation feature (a method like "ToSring")...
  9. Re: How can I access methods in a parent class?

    The person does care because it needs to know the location of another person. If the person in the red shirt is fifth in line, a user operation can tell another person (Person X) that red shirt is...
  10. Re: I can't seem to set an object variable to an integer or single whose value is zer

    Well, I need to get the value back out later, and when I try to read the value, I want to get a value of zero. Instead I get a null reference exception. Should I be testing the variable to see if it...
  11. I can't seem to set an object variable to an integer or single whose value is zero

    I have a class X with a property called NumericEntry. The property is of the object type since I don't know what type of value will be put in it. The property default is Nothing. It could be an...
  12. [RESOLVED] How can I access methods in a parent class?

    I have two custom classes that we can call "Person" and "Line".

    "Line" inherits List(of T) and is basically a List(of Person), with some extra properties and methods.

    "Person" has a "Shirt"...
  13. Re: Writing integer to an Excel worksheet can't get rid of scientific notation

    Thanks that worked perfectly! For anyone else reading this, the cell formatting must be set AFTER writing the value. Excel seems to be changing the format type based on it's perception of what the...
  14. [RESOLVED] Writing integer to an Excel worksheet can't get rid of scientific notation

    HI,

    I am using code similar to the following code to write values into cells in an Excel worksheet:




    Imports Microsoft.Office.Interop
    Imports Microsoft.Office.Interop.Excel
  15. VS 2010 Re: [RESOLVED] Continuous data update on a background worker thread?

    I think I remembered what the issue was. I was only looking for an Ethernet IP driver to add to an already 90% developed project and I think there was a stipulation that the driver could not be used...
  16. VS 2010 Re: [RESOLVED] Continuous data update on a background worker thread?

    Nothing is ever really "free" what is the catch? I have looked at that before and it looks really cool. I don't remember the reason now but I do remember there was some reason that I could not use it...
  17. VS 2010 Re: Continuous data update on a background worker thread?

    Thank you for your lengthy response and code snippets. It appears that your response will be very helpful. Also, i gather from the names of your routines that you are (or were) working with automated...
  18. VS 2010 [RESOLVED] Continuous data update on a background worker thread?

    Hello,

    [Application Background}
    My application is reading data from a PLC (programmable logic controller) using the MODBUS RTU protocol. The data is used to update digital and analog gauges on a...
  19. VS 2010 Re: Flickering in user control but NOT with similar code painting a WinForms panel

    Edgemeal, You were spot on. Using a picture box instead of a panel worked. Also, I was mistaken about using a panel in my project. What I had working before I created the user control WAS using a...
  20. VS 2010 Re: Flickering in user control but NOT with similar code painting a WinForms panel

    Thanks for the response. Can you explain why it would not be flickering in a simple panel in my project but flickering in the panel in the custom user control?
  21. VS 2010 [RESOLVED] Flickering in user control but NOT with similar code painting a WinForms panel

    I have been successfully drawing 6 analog gauges, each in their own panel on a form, by handling the panel's paint event. They look fantastic and have no flicker. I am updating them every 100...
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