Able to change the window height even if IsResizable is false but ExtendsContentIntoTitleBar is true

[eduardobragaxz]

Describe the bug

If you set ExtendsContentIntoTitleBar to true you'll still be able to change a window's height when IsResizable is false.

Steps to reproduce the bug

Set presenter.IsResizable to false and ExtendsContentIntoTitleBar to true and try to change the window's height with the cursror.

Expected behavior

No response

Screenshots

No response

NuGet package version

WinUI 3 - Windows App SDK 1.6 Experimental 1: 1.6.240531000-experimental1

Windows version

Windows 11 (22H2): Build 22621

Additional context

I'm not sure this is already fixed internally as part of #8665. @codendone

[github-actions]

Hi I'm an AI powered bot that finds similar issues based off the issue title.

Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one. Thank you!

Open similar issues:

• Window Maximization Behavior Consistency Issues (#9427), similarity score: 0.75
• IsMaximizable setting isn't respected (#8666), similarity score: 0.74

Closed similar issues:

• OverlappedPresenter.IsMaximizable Does Not Work As Expected With ExtendsContentIntoTitleBar (#8783), similarity score: 0.76
• Unable to resize application from top edge when using App.MainWindow.AppWindow.TitleBar.ExtendsContentIntoTitleBar = true (#8613), similarity score: 0.75
• A WinUI3 window which IsMaximizable and IsResizable has been set to false, still can be maximized into fullscreen (#9580), similarity score: 0.74

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[codendone]

This is very similar to #9670, though that issue is only talking about the cursor being incorrect.

I'm not able to actually resize the window when using 1.5, but I do repro the issue with 1.6-experimental1.

[codendone]

This was closed as fixed/duplicate of #7629. The fix will be in the next 1.6 release.