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Addin Takspane Freezing SolidDna

Question asked by Craig Brunton on Jan 21, 2021
Latest reply on Feb 4, 2021 by Craig Brunton

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Hi All,

I am using a NuGet package called SolidDna to create a taskpane addin and I have been able to code it with not issues until the last two weeks.

When I debug it and the addin loads but the taskpane freezes when I click on the addin tab and only shows the previous tab content. I am not sure what has happened as it was working fine.

It stopped working on SolidWorks 2020 so I upgraded to 2021 to see if that solved the issue but no luck.

It is probably something I have changed but cannot put my finger on it as I have created a new blank SolidDna addin and it does the same.

I have attached a screenshot of the issue.

Has anyone comes across this before?

Thanks in advance

Craig

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Alex Burnett Jan 21, 2021 8:37 AM
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I'm using the SolidDna framework as well for an add-in I wrote. It's worked from SW2016 up through SW2020 so far without issue. Are you able to step through the initial loading of the add-in to see where the control should be added to the task pane?

In my project, that is in the SolidDnaIntegration.cs file in the ConnectedToSolidworks() method. The WpfControl is what may not be loading properly.

Function contents for reference:
public override void ConnectedToSolidWorks()
{
   // Create our taskpane
   mTaskpane = new TaskpaneIntegration<TaskpaneUserControlHost>()
   {
      Icon = Path.Combine(PlugInIntegration.PlugInFolder, "Logo_Small.png"),
      WpfControl = new CustomPropertiesUI(),
   };
// Add to taskpane
   mTaskpane.AddToTaskpane();
}
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- Craig Brunton @ Alex Burnett on Jan 21, 2021 9:35 AM
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  The code is similar and is from a new blank SolidDna template and I have not changed anything and just run it and it gives the same taskpane freezing issue.
  
  public override void ConnectedToSolidWorks()
  {
  // Create our taskpane UI
  mTaskpane = new TaskpaneIntegration<MyTaskpaneUI>()
  {
  // Set taskpane icon
  Icon = Path.Combine(this.AssemblyPath(), "logo-small.png"),
  WpfControl = new MyAddinControl()
  };
  // Add it to taskpane
  mTaskpane.AddToTaskpaneAsync();
  }
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  - Alex Burnett @ Craig Brunton on Jan 21, 2021 10:35 AM
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    I'm sure the differences in this code are related to the updates since I first implemented this framework. Are you able to place a break point on the line where your MyAddinControl() is created? I'd step though that and see if you're able to determine if/when something may be going wrong.
    
    Without seeing the project, this is only broad speculation at this point.
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    - Craig Brunton @ Alex Burnett on Jan 22, 2021 5:10 AM
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      I have stepped through and it looks to be ok so I am inclined to think its possibly my PC.
      
      I am going to try Artem's idea and also isntall VS on another machine and try there.
      
      Than kyou for your help I will update once I have tried those two things.
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Artem Taturevych Jan 21, 2021 5:44 PM
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I have never used SolidDNA so not sure what is exactly wrong there without looking into the source code of SolidDNA. Could you please try the following example: Hosting Forms and WPF controls in TaskPane, Feature Manager, Model View Tab, Property Manager Page (C# and VB.NET Example), it is based on xCAD.NET (this is a different framework). You will need to restore the nuget references and run the solution as administrator (I suspect this should be pretty much the same you do with SolidDNA). You do not necessarily need to use this framework - it will just tell if anything wrong with your machine (e.g. not sufficient permissions etc.) (if this example behaves the same), or with your code/SolidDNA framework (if this example works correctly).
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- Craig Brunton @ Artem Taturevych on Jan 22, 2021 5:10 AM
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  Thank you Atrem I will try it this weekend and see if it has the same result.
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Peter Brinkhuis Jan 24, 2021 7:06 AM
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I'm using SolidDna as a basis for my products. In my experience, non-working task panes are usually caused by the registry. Your task pane has a progID and your public add-in and plugin classes have a GUID. When you register/unregister your add-in, sometimes information about your classes gets left behind in the registry.

So I unregister the add-in, then search the registry for classes that have my add-in prefix, say CADBooster.Drew. There should be none left in the registry, so I delete all that I find.

Now you can register your add-in again and it should work.

By the way, do you use version control like Git? I suggest you do. That would allow you to go back in time to see if a code change caused this problem.
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- Craig Brunton @ Peter Brinkhuis on Jan 28, 2021 6:02 AM
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  Hi Peter,
  
  Thank you for the above I have un regsitered the Key and looked in the regsitry and deleted any I can find but it still gives the same issue.
  
  I have created a brand new blank SolidDna project and changed nothing and the freezing task pane also happens on that project as well.
  
  I have also installed VS and Solidworks onto a brand new laptop and the issue is also present there.
  
  the XCad that Atrem mentioned I have tried and the WPF pane shows up although it does show part of the previous task pane (as shown in the image) but the button can still be clicked and if you expand the task pane the WPF control fills the area.
  
  Thanks
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  - Peter Brinkhuis @ Craig Brunton on Jan 29, 2021 4:18 PM
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    If you can send me a reminder or create an issue on github, I can check out that sample project this weekend. See if it works on my machine.
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    - Craig Brunton @ Peter Brinkhuis on Feb 1, 2021 3:28 AM
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      Hi Peter,
      
      Sorry only just seen this post.
      
      I have already raised it over on GitHub as an issue.
      
      Thanks
      Craig
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Craig Brunton Feb 4, 2021 10:24 AM
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Hi All,

I decided to go through the registery and delete anything releated to SolidDna not just my addin.

This so far seems to have done the trick and it is now loading the task pane with no freezing.

Not sure what I did and again thank you for all your help.

Craig
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Addin Takspane Freezing SolidDna

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