Fully templated dialog control displayed before ShowAsync is called when defined inline in XAML

[BrianDT]

Current behavior

The control is displayed in the location it is defined. When ShowAsync is called the content dialog is displayed in the wrong location.

Expected behavior

The control should not be displayed until ShowAsync is called.

How to reproduce it (as minimally and precisely as possible)

Can be reproduced by running the sample located here: https://github.com/BrianDT/UWPTemplatedContentDialogIssue.git

Workaround

Could probably be controlled with visibility, however this would not correct the positioning issue.

Environment

Nuget Package: Not sure

Nuget Package Version(s): 3.3.0

Affected platform(s):

• [x] iOS
• [x] Android
• [x] WebAssembly
• [ ] WebAssembly renderers for Xamarin.Forms
• [ ] macOS
• [ ] Skia
  • [ ] WPF
  • [ ] GTK (Linux)
  • [ ] Tizen
• [ ] Windows
• [ ] Build tasks
• [ ] Solution Templates

IDE:

• [ ] Visual Studio 2017 (version: )
• [x] Visual Studio 2019 (version: 16.8.2)
• [ ] Visual Studio for Mac (version: )
• [ ] Rider Windows (version: )
• [ ] Rider macOS (version: )
• [ ] Visual Studio Code (version: )

Relevant plugins:

• [ ] Resharper (version: )

Anything else we need to know?

[BrianDT]

The 'control displayed before ShowAsync' part of this issue no longer occurs in 4.6.19 The display part has been separately raised in #10333 Please close

[jeromelaban]

Thanks!