halgab

More uses of ArgumentNullException.ThrowIfNull and ArgumentException.ThrowIfNullOrEmpty

1

Follow-up to #8092 and others ## Description Use `ArgumentNullException.ThrowIfNull` more widely across codebase, addressing leftovers from previous PRs. This also makes some uses of `ArgumentException.ThrowIfNullOrEmpty`, and remove redundant custom error...

Fix some attributes NRT annotations

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Addresses #8905. I haven't had time to review #8675 yet ###### Microsoft Reviewers: [Open in CodeFlow](https://microsoft.github.io/open-pr/?codeflow=https://github.com/dotnet/wpf/pull/8924)

Prefer use of interpolated strings in PresentationCore

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Follow-up to #8519 ## Description We replace as many manual string concatenations and string.Format with interpolated strings. This saves allocations in many instances, and makes for a more readable code....