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Inheriting from WinUI 2 Control in C++/WinRT results in compile issues

See original GitHub issue

Describe the bug

When inheriting from a MUXC control in MIDL, the compilation fails with errors like this:

Severity	Code	Description	File	Project	Line	Suppression State
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'put_VerticalCacheLength' ( RuntimeClass 'Microsoft.UI.Xaml.Controls.ItemsRepeater' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'put_VerticalCacheLength' ( Procedure 'put_VerticalCacheLength' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'put_Layout' ( RuntimeClass 'Microsoft.UI.Xaml.Controls.ItemsRepeater' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'put_Layout' ( Procedure 'put_Layout' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'put_ItemTemplate' ( RuntimeClass 'Microsoft.UI.Xaml.Controls.ItemsRepeater' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'put_ItemTemplate' ( Procedure 'put_ItemTemplate' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'put_ItemsSource' ( RuntimeClass 'Microsoft.UI.Xaml.Controls.ItemsRepeater' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'put_ItemsSource' ( Procedure 'put_ItemsSource' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'put_HorizontalCacheLength' ( RuntimeClass 'Microsoft.UI.Xaml.Controls.ItemsRepeater' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'put_HorizontalCacheLength' ( Procedure 'put_HorizontalCacheLength' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'put_Animator' ( RuntimeClass 'Microsoft.UI.Xaml.Controls.ItemsRepeater' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'put_Animator' ( Procedure 'put_Animator' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'get_VerticalCacheLength' ( RuntimeClass 'Microsoft.UI.Xaml.Controls.ItemsRepeater' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'get_VerticalCacheLength' ( Procedure 'get_VerticalCacheLength' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'get_Layout' ( RuntimeClass 'Microsoft.UI.Xaml.Controls.ItemsRepeater' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'get_Layout' ( Procedure 'get_Layout' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'get_ItemTemplate' ( RuntimeClass 'Microsoft.UI.Xaml.Controls.ItemsRepeater' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'get_ItemTemplate' ( Procedure 'get_ItemTemplate' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'get_ItemsSource' ( RuntimeClass 'Microsoft.UI.Xaml.Controls.ItemsRepeater' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'get_ItemsSource' ( Procedure 'get_ItemsSource' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'get_HorizontalCacheLength' ( RuntimeClass 'Microsoft.UI.Xaml.Controls.ItemsRepeater' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'get_HorizontalCacheLength' ( Procedure 'get_HorizontalCacheLength' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'get_Animator' ( RuntimeClass 'Microsoft.UI.Xaml.Controls.ItemsRepeater' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL5015	[msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ Procedure 'get_Animator' ( Procedure 'get_Animator' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL2072	[msg]inapplicable attribute [context]: Windows.Foundation.Metadata.ExperimentalAttribute [ RuntimeClass 'Microsoft.UI.Xaml.Controls.ItemsRepeater' ( RuntimeClass 'RepeaterCompileCrash.BlankUserControl' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5	
Error	MIDL2072	[msg]inapplicable attribute [context]: Windows.Foundation.Metadata.ExperimentalAttribute [ RuntimeClass 'Microsoft.UI.Xaml.Controls.ItemsRepeater' ( RuntimeClass 'RepeaterCompileCrash.BlankUserControl' ) ]	D:\Projects\RepeaterCompileCrash\BlankUserControl.idl	RepeaterCompileCrash	5

RepeaterCompileCrash.zip

Steps to reproduce the bug

Steps to reproduce the behavior:

  1. Create new C++/WinRT project
  2. Add WinUI package and update pch.h
  3. Create new control, inherit from a MUXC control in IDL
  4. Compile project

Expected behavior

Project should compile just fine.

Screenshots

Version Info

NuGet package version:

Microsoft.UI.Xaml.2.5.0-prerelease.200923002

Windows 10 version Saw the problem?
Insider Build (20241) Yes
May 2020 Update (19041)
November 2019 Update (18363)
May 2019 Update (18362)
October 2018 Update (17763)
April 2018 Update (17134)
Fall Creators Update (16299)
Creators Update (15063)
Device form factor Saw the problem?
Desktop
Xbox
Surface Hub
IoT

Additional context

Issue found by @sylveon

Issue Analytics

  • State:closed
  • Created 3 years ago
  • Reactions:1
  • Comments:25 (21 by maintainers)

github_iconTop GitHub Comments

3reactions
DHowettcommented, Nov 13, 2020

Terminal just hit this attempting to add a MUX type as a member to an idl.

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.

namespace Microsoft.Terminal.Settings.Editor
{
    [default_interface] runtimeclass MainPage : Windows.UI.Xaml.Controls.Page//, Windows.UI.Xaml.Data.INotifyPropertyChanged
    {
        MainPage(Microsoft.Terminal.Settings.Model.CascadiaSettings settings);
        event Windows.Foundation.TypedEventHandler<Object, Microsoft.Terminal.Settings.Model.SettingsTarget> OpenJson;

        IInspectable CurrentPageName;
        Microsoft.UI.Xaml.Controls.NavigationView SettingsNav(); ////// <<<< line 13
    }
}

1>D:\Terminal\src\cascadia\TerminalSettingsEditor\MainPage.idl(13): error MIDL5015: [msg]the custom attribute argument contains a boolean value that is not valid [context]: enable [ RuntimeClass 'Microsoft.UI.Xaml.Controls.NavigationView' ( Parameter 'result' ) ]

(/cc @carlos-zamora)

1reaction
asklarcommented, Jun 22, 2021
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