Fixed Size not calculated properly when invoking UseMauiCompatibility method in MauiProgram

[vishnumenon2684]

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Root Cause

When using UseMauiCompatibility, the ContentView handler is set to RenderToHandlerShim instead of ContentViewHandler. As a result, the measuring logic is managed by VisualElementRender, leading to a size of 0 being returned.

Description of Change

Registering the ContentView handler with the control as ContentView instead of IContentView will resolve the issue.

Validated the behaviour in the following platforms

• [x] Android
• [x] Windows
• [ ] iOS
• [ ] Mac

Issues Fixed

Fixes #10238

Output

Windows

Before

After

[dotnet-policy-service[bot]]

Hey there @vishnumenon2684! Thank you so much for your PR! Someone from the team will get assigned to your PR shortly and we'll get it reviewed.

[jsuarezruiz]

/azp run

[azure-pipelines[bot]]

Azure Pipelines could not run because the pipeline triggers exclude this branch/path.

[PureWeen]

https://devdiv.visualstudio.com/DevDiv/_build/results?buildId=10446872&view=results https://devdiv.visualstudio.com/DevDiv/_build/results?buildId=10446873&view=results https://devdiv.visualstudio.com/DevDiv/_build/results?buildId=10446848&view=results

Failing device tests are unrelated