diff options
| -rw-r--r-- | Xwt.XamMac/Xwt.Mac/TextLayoutBackendHandler.cs | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Xwt.XamMac/Xwt.Mac/TextLayoutBackendHandler.cs b/Xwt.XamMac/Xwt.Mac/TextLayoutBackendHandler.cs index c8fb79a8..ded27931 100644 --- a/Xwt.XamMac/Xwt.Mac/TextLayoutBackendHandler.cs +++ b/Xwt.XamMac/Xwt.Mac/TextLayoutBackendHandler.cs @@ -206,8 +206,9 @@ namespace Xwt.Mac NSRange er; // get the effective font to modify for the given range var ft = TextStorage.GetAttribute (NSStringAttributeKey.Font, attribute.StartIndex, out er, r) as NSFont; - ft = ft.WithWeight (xa.Weight); - TextStorage.AddAttribute (NSStringAttributeKey.Font, ft, r); + ft = ft?.WithWeight (xa.Weight); + if (ft != null) + TextStorage.AddAttribute (NSStringAttributeKey.Font, ft, r); } else if (attribute is LinkTextAttribute) { @@ -225,8 +226,9 @@ namespace Xwt.Mac var xa = (FontSizeTextAttribute)attribute; NSRange er; var ft = TextStorage.GetAttribute (NSStringAttributeKey.Font, attribute.StartIndex, out er, r) as NSFont; - ft = ft.WithSize (xa.Size); - TextStorage.AddAttribute (NSStringAttributeKey.Font, ft, r); + ft = ft?.WithSize (xa.Size); + if (ft != null) + TextStorage.AddAttribute (NSStringAttributeKey.Font, ft, r); } else if (attribute is FontTextAttribute) { |