How to generate a property with a validation method using the [ObservableProperty] attribute?

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
25/100
Issue type
Documentation
Clarity
Needs clarification
Activity status
Stale
Tech stack
csharp
Domain
documentation

Research direction

Start by reviewing the existing documentation for the [ObservableProperty] attribute and its validation guidance. Check whether an example or explanation is missing; done means the supported approach is documented clearly enough to answer the question without requiring users to write the full property manually.

Written by the indexing model from the issue text.

Description

Pri3

Hi,everyone!
Here's my question:
When I use the [ObservableProperty] attribute,
it generates a regular property without a validation method. If I need to validate this property,
I have to write out the entire property, like this. Is there a better way to implement it?

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