Inconsistent GetRuntimeProperties() Behavior

[mikernet]

In the following example:

public class Test : TestBase
{	
	public new string Value { get; }
}

public class TestBase
{
	public string Value { get; }
}

If you call typeof(Test).GetRuntimeProperties() it only returns 1 property. If you change the property type in the Test class to something else (i.e. int) then it returns 2 properties. That behavior clearly doesn't make sense - I believe it should be returning both properties in both situations.

[MichalStrehovsky]

Members on types generated by the C# compiler are marked hidebysig (stackoverflow) which means a derived type hides members inherited from the base if it has the same name and signature. GetRuntimeProperties simply respects those rules.

Would your expectation be different if the property was virtual?

public class Test : TestBase
{	
	public override string Value { get; }
}

public class TestBase
{
	public virtual string Value { get; }
}

[mikernet]

My expectation is that it behaves the same way methods do. Right now it's very difficult to get all actual available properties on a type due to this "hiding", which isn't an issue with methods.

[mikernet]

Methods also have hidebysig applied to them but hidden methods are returned when GetRuntimeMethods() is called.

[steveharter]

It does appear to be a bug - according to the doc inherited members should be included, and in this case these are two independent (non-virtual) methods so both should be returned.

We need to get approval for changing this as it could be classified as a "breaking change".

cc @GrabYourPitchforks

[steveharter]

Moving to future based on schedule + priority.

[buyaa-n]

This bug been there since dotnet .NET Framework 1.0 so fixing this now could be quite breaking, as it is quite edge case scenario does not feel it is worth fixing.

@mikernet how important the fix for you? What is the scenario where you need this hidden parent property?

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