#1420

stevencohn · Jun 3, 2024 · 25e7afc · 25e7afc
1 parent 2969e0b
commit 25e7afc
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/OneMore/Styles/StyleBase.cs b/OneMore/Styles/StyleBase.cs
@@ -47,14 +47,18 @@ static StyleBase()
 			var key = Registry.CurrentUser.OpenSubKey(EditingKey, false);
 			if (key is not null)
 			{
-				if (key.GetValue("DefaultFontFace") is string family)
+				if (key.GetValue("DefaultFontFace") is string family &&
+					!string.IsNullOrWhiteSpace(family))
 				{
 					DefaultFontFamily = family;
 				}
 
-				if (key.GetValue("DefaultFontSize") is string size)
+				if (key.GetValue("DefaultFontSize") is string size &&
+					double.TryParse(size,
+						NumberStyles.AllowDecimalPoint,
+						CultureInfo.InvariantCulture, out var result))
 				{
-					DefaultFontSize = double.Parse(size, CultureInfo.InvariantCulture);
+					DefaultFontSize = result;
 				}
 			}
 		}