Visual Studio Crashes or becomes unresponsive in Design View with HexEditor Control

[rblackmore]

Describe the bug
Visual Studio crashes or becomes unresponsive when using HexEditor control in WPF Designer view.

To Reproduce
I've tried a few different tests, but basically it seems to happen when using the control inside specific layout panels.
Steps to reproduce the behavior:

1. Create Grid panel and place HexEditor inside, this works fine.
2. Give the Grid Row or Column definitions.
   • Height/Width set to 'Auto' VS crashes or becomes unresponsive.
   • Setting to '*' seems to be okay, unless I use HexEditor in UserControl and then place UserControl on a Window.
3. Same happens when using StackPanel.

Expected behavior
Designer should show HexEditor without Crashing.

Software Versions
=> Visual Studio Community 2019 v16.9.4
=> .NET: .NET 5.0, .NET Framework 4.8

Additional context
I've tried creating brand new projects, and a fresh install of VS on a couple Win10 VMs to eliminate issues on my PC, and it happens on all of them.
I also download the controls source code, and tried the Samples. These work fine, unless I change something about the layout panels, then VS crashes again.

Not sure if I'm doing something wrong. Perhaps this is similar to the following issue
#32 WpfHexaEditor.HexEditor causing Visual Studio, Application to lock up, spawning hundreds of threads

[abbaye]

Hello

Are you checked with sample project if it's work ?

I will check more at end of the day

[abbaye]

If you put the control over a new fresh windows it's crash also ?

[rblackmore]

I have done some further experimenting, looks like it's caused by the HexEditor control not having default Height and Width Values.

Your Sample works fine, unless I swapped the HexEditor control over to a Grid.Row with Height="Auto". This caused VS Memory usage to continually increase and become unresponsive.

By giving the HexEditor a default size, this no longer seems to happen if the Gird or StackPanel it's in is trying to re-size to fit it's content.

You can check my fork here for changes I made.

It's a small change, and I'm not sure what else it may effect.

Would it be okay to submit a pull request? Sorry for asking, I have very little experience contributing to projects on github and I'm not familiar with common etiquette.

[abbaye]

I will check at end of the day :) Le mar. 18 mai 2021 9 h 29 p.m., Ryan ***@***.***> a écrit :

…

I have done some further experimenting, looks like it's caused by the HexEditor control not having default Height and Width Values. Your Sample works fine, unless I swapped the HexEditor control over to a Grid.Row with Height="Auto". This caused VS Memory usage to continually increase and become unresponsive. By giving the HexEditor a default size, this no longer seems to happen if the Gird or StackPanel it's in is trying to re-size to fit it's content. You can check my fork here <rblackmore/WpfHexEditorControl@149e012> for changes I made. It's a small change, and I'm not sure what else it may effect. Would it be okay to submit a pull request? Sorry for asking, I have very little experience contributing to projects on github and I'm not familiar with common etiquette. — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#100 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AECPEO67HRER6QCTKXCJRTTTOMH7FANCNFSM45BRURHQ> .

[abbaye]

Sorry I will check soon as possible. I hope this weekend.

[abbaye]

I can't reproduce you crash. Please update your visual studio it's can be fixe the problem

[rblackmore]

Sorry for the late reply.

I'm running the latest VS 16.10.0 Community.
Generally, I don't think the XAML Designer should crash, or lock up if the UserControl doesn't have a default Height/Width, and most controls don't, for some reason this is happening to me.

I Do appreciate your time on the issue.
I have uploaded a very quick test project here, when Opening the MainWindow.xaml in designer, it will lock up.

As mentioned this is when it's placed into a grid.row with Height='Auto'

[abbaye]

Hi @rblackmore

You can't use hexeditor with Auto but you can with *... I will check what is cause this bug

But you can use like this:

<Grid>
    <Grid.RowDefinitions>
        <RowDefinition Height="*" />
        <RowDefinition Height="Auto" />
    </Grid.RowDefinitions>

    <hx:HexEditor Grid.Row="0"/>
</Grid>

[timvz]

I too have just noticed this issue. Any resolution yet? It's a great tool, otherwise!

It will also happen if I put the hexeditor control into a stack panel. Simply add a stack panel around the hexeditor control provided in the Sample project and the designer will freeze. I'm also using VS 2019.

Edit: Another workaround is to simply click the "Disable Project Code" button in the designer.