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Application immediately crashes with exception "Invalid size returned for Measure." when putting a RelativePanel in a StackPanel

See original GitHub issue

Describe the bug I made a minimal repo for reproducing the error. Here is the exception

System.InvalidOperationException: Invalid size returned for Measure.
   at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /_/src/Avalonia.Layout/Layoutable.cs:line 373
   at Avalonia.Controls.StackPanel.MeasureOverride(Size availableSize) in /_/src/Avalonia.Controls/StackPanel.cs:line 207
   at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /_/src/Avalonia.Layout/Layoutable.cs:line 559
   at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /_/src/Avalonia.Layout/Layoutable.cs:line 364
   at Avalonia.Layout.LayoutHelper.MeasureChild(ILayoutable control, Size availableSize, Thickness padding) in /_/src/Avalonia.Layout/LayoutHelper.cs:line 46
   at Avalonia.Layout.LayoutHelper.MeasureChild(ILayoutable control, Size availableSize, Thickness padding, Thickness borderThickness) in /_/src/Avalonia.Layout/LayoutHelper.cs:line 39
   at Avalonia.Controls.Presenters.ContentPresenter.MeasureOverride(Size availableSize) in /_/src/Avalonia.Controls/Presenters/ContentPresenter.cs:line 366
   at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /_/src/Avalonia.Layout/Layoutable.cs:line 559
   at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /_/src/Avalonia.Layout/Layoutable.cs:line 364
   at Avalonia.Layout.LayoutHelper.MeasureChild(ILayoutable control, Size availableSize, Thickness padding) in /_/src/Avalonia.Layout/LayoutHelper.cs:line 46
   at Avalonia.Controls.Decorator.MeasureOverride(Size availableSize) in /_/src/Avalonia.Controls/Decorator.cs:line 54
   at Avalonia.Controls.Primitives.VisualLayerManager.MeasureOverride(Size availableSize) in /_/src/Avalonia.Controls/Primitives/VisualLayerManager.cs:line 133
   at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /_/src/Avalonia.Layout/Layoutable.cs:line 559
   at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /_/src/Avalonia.Layout/Layoutable.cs:line 364
   at Avalonia.Layout.Layoutable.MeasureOverride(Size availableSize) in /_/src/Avalonia.Layout/Layoutable.cs:line 625
   at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /_/src/Avalonia.Layout/Layoutable.cs:line 559
   at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /_/src/Avalonia.Layout/Layoutable.cs:line 364
   at Avalonia.Layout.Layoutable.MeasureOverride(Size availableSize) in /_/src/Avalonia.Layout/Layoutable.cs:line 625
   at Avalonia.Controls.Window.MeasureOverride(Size availableSize) in /_/src/Avalonia.Controls/Window.cs:line 928
   at Avalonia.Controls.WindowBase.MeasureCore(Size availableSize) in /_/src/Avalonia.Controls/WindowBase.cs:line 243
   at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /_/src/Avalonia.Layout/Layoutable.cs:line 364
   at Avalonia.Layout.LayoutManager.Measure(ILayoutable control) in /_/src/Avalonia.Layout/LayoutManager.cs:line 287
   at Avalonia.Layout.LayoutManager.ExecuteInitialLayoutPass() in /_/src/Avalonia.Layout/LayoutManager.cs:line 174
   at Avalonia.Controls.Window.ShowCore(Window parent) in /_/src/Avalonia.Controls/Window.cs:line 693
   at Avalonia.Controls.Window.Show() in /_/src/Avalonia.Controls/Window.cs:line 631
   at Avalonia.Controls.ApplicationLifetimes.ClassicDesktopStyleApplicationLifetime.ShowMainWindow() in /_/src/Avalonia.Controls/ApplicationLifetimes/ClassicDesktopStyleApplicationLifetime.cs:line 129
   at Avalonia.Controls.ApplicationLifetimes.ClassicDesktopStyleApplicationLifetime.Start(String[] args) in /_/src/Avalonia.Controls/ApplicationLifetimes/ClassicDesktopStyleApplicationLifetime.cs:line 118
   at Avalonia.ClassicDesktopStyleApplicationLifetimeExtensions.StartWithClassicDesktopLifetime[T](T builder, String[] args, ShutdownMode shutdownMode) in /_/src/Avalonia.Controls/ApplicationLifetimes/ClassicDesktopStyleApplicationLifetime.cs:line 209
   at AvaloniaDemo.Program.Main(String[] args) in D:\code\AvaloniaDemo\AvaloniaDemo\Program.cs:line 12

To Reproduce Steps to reproduce the behavior:

Put a Relative panel in a stack panel

Expected behavior You get a relative panel in a stack panel

Screenshots

Desktop (please complete the following information):

OS Windows 10
Version 0.10.14 (NuGet 0.10.17)

Issue Analytics

State:
Created a year ago
Comments:7 (3 by maintainers)

Top GitHub Comments

1reaction

GNUGradyncommented, Aug 11, 2022

Thanks Tim. I’ll just use a grid for now

1reaction

GNUGradyncommented, Jul 29, 2022

It’s linked at the top of the post but here it is again https://github.com/GNUGradyn/AvaloniaDemo

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