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[CoreText] Add NotNullWhen to help MAUI with null errors. #20050

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merged 3 commits into from
Feb 8, 2024
Merged

[CoreText] Add NotNullWhen to help MAUI with null errors. #20050

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90af0bd
[CoreText] Add NotNullWhen to help MAUI with null errors.
mandel-macaque Feb 6, 2024
8ed1a89
Merge branch 'main' into null-help
dalexsoto Feb 6, 2024
69c800a
Auto-format source code
Feb 6, 2024
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3 changes: 2 additions & 1 deletion src/CoreText/CTFontManager.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@
using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Diagnostics.CodeAnalysis;

using ObjCRuntime;
using CoreFoundation;
Expand Down Expand Up @@ -438,7 +439,7 @@ public static CTFontDescriptor [] GetFonts (NSUrl url)
[return: MarshalAs (UnmanagedType.I1)]
static extern bool CTFontManagerRegisterGraphicsFont (IntPtr cgfont, out IntPtr error);

public static bool RegisterGraphicsFont (CGFont font, out NSError? error)
public static bool RegisterGraphicsFont (CGFont font, [NotNullWhen (true)] out NSError? error)
{
if (font is null)
ObjCRuntime.ThrowHelper.ThrowArgumentNullException (nameof (font));
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