Issue 12830 multi target demo console

[ricardobossan]

Fixes #

Proposed changes

Customer Impact

Regression?

• Yes / No

Risk

Screenshots

Before

After

Test methodology

Accessibility testing

Test environment(s)

Microsoft Reviewers: Open in CodeFlow

[ricardobossan]

Drafted because:

• Need to address nullability warnings
• net481 compiles without errors but doesn't launch

[ricardobossan]

@Tanya-Solyanik @LeafShi1 @Epica3055 I was able to get the DemoConsole project to compile for multiple targets ($(NetCurrent)-windows and net481), but it doesn't launch on net481. There's no error message explaining why. It just fails silently. Do you have any idea what might be causing this?

I’m aware of the nullability warnings that I still need to address, but could they be related to this issue?

[Tanya-Solyanik]

Enable all CLR exceptions before starting to debug this project as 4.8.1. I guess immutable collection reference is not discovered.

[Tanya-Solyanik]

You are referencing project when building Core and you have assembly references when building NETFX, line 32 is not needed.

[Tanya-Solyanik]

This change can be factored out into a separate PR with some other cleanup changes you have

[ricardobossan]

This change is necessary to prevent the following build error, which occurs regardless of whether the solution is built from the root or the DemoConsole folder:

"C:\Users\v-rbossan\source\repos\winforms\Winforms.sln" (default target) (1) ->
"C:\Users\v-rbossan\source\repos\winforms\src\System.Windows.Forms\tests\IntegrationTests\DesignSurface\DemoConsole\DemoConsole.csproj" (default target) (42) ->
"C:\Users\v-rbossan\source\repos\winforms\src\System.Windows.Forms\tests\IntegrationTests\DesignSurface\DemoConsole\DemoConsole.csproj" (Build target) (42:2) ->
"C:\Users\v-rbossan\source\repos\winforms\src\System.Windows.Forms\tests\IntegrationTests\DesignSurface\DesignSurfaceExt\DesignSurfaceExt.csproj" (default target) (43:4) ->
(CoreCompile target) ->
C:\Users\v-rbossan\source\repos\winforms\src\System.Windows.Forms\tests\IntegrationTests\DesignSurface\DesignSurfaceExt\PropertyGridExt.cs(43,26): error WFO1000: Property 'DesignerHost' does not configur
e the code serialization for its property content [C:\Users\v-rbossan\source\repos\winforms\src\System.Windows.Forms\tests\IntegrationTests\DesignSurface\DesignSurfaceExt\DesignSurfaceExt.csproj::TargetFra
mework=net10.0-windows]

[Tanya-Solyanik]

I agree that this change is necessary, I suggest getting it in before the rest of the changes in this PR to make this PR more targetted.