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Discussion on Requirements and Solutions for Unified Monitoring of Attribute Value Changes

1

### Overview In actual projects, there is often a requirement to record the old and new values of an attribute when its value changes (e.g., monitoring personnel changing parameters in...

HCareLou

`ObservableProperty` seems to break JSON Deserialization when used with `JsonSerializerContext`

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### Describe the bug Using this, the property is not populated with the json value. ```c# [ObservableProperty] [property: JsonPropertyName("from_uuid")] [property: JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)] private string? fromUuid; ``` However, if I...

karmeye

Build errors when using CommunityToolkit.MVVM with Visual Studio extensions

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### Describe the bug I've asked around on SO and discord, but getting no joy. Forgive me if this is my misunderstanding. My SO post: I'm getting build errors despite...

stigzler

CommunityToolkit.Mvvm cannot work with aot

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### Describe the bug i use winui3 and CommunityToolkit.Mvvm but when i x:bind a relaycommand to a command of button,then the application cannot start in the debug mode,for the detail...

LanHuangJG

Avoid auto-generating ObservableValidator.HasError

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**Closes #881** The change adds the System.ComponentModel.DisplayAttribute to the property HasErrors of ObservableValidator class. The property AutGenerateField of the Display attribute will be set to false. This way when objects...

arivoir

Property HasErrors of ObservableValidator is auto-generated in controls with auto-generation

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### Describe the bug When binding an object inheriting ObservableValidator class to a control that has auto-generation a field is created for that property. For instance when binding to WPF...

arivoir

Can't compile under linux_x86_64 with dynamic type in ObservableProperty

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### Describe the bug I'm trying to compile a C# Avalonia crossplatform project on Linux that uses the MVVM Community Toolkit. The project compiles and runs fine on Windows, but...

jindongjie

[BUG] Resizetizer file access issues on Windows build in Visual Studio in CommunityToolkit.Mvvm 8.2.2

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### Is there an existing issue for this? - [X] I have searched the existing issues ### Did you read the "Reporting a bug" section on Contributing file? - [X]...

SuperCorks

Update ObservableObject.cs

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**Closes #1438** ## PR Checklist - [x] Based off latest main branch of toolkit - [x] Tested code with current [supported SDKs](../#supported) - [x] Pull Request has been submitted to...

PerfidusPistor

Span2D Constructor overload

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### Overview A constructor for the `Span2D` to create a 2D view over a `Span`. Currently only arrays and pointers but I believe a `Span` would also be suitable. In...

sjMagstim