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blazor.webassembly.js:1 crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
      Unhandled exception rendering component: Invalid value for 'classFormat' 0. Should be '1' or '2'.
SixLabors.Fonts.InvalidFontFileException: Invalid value for 'classFormat' 0. Should be '1' or '2'.
   at SixLabors.Fonts.Tables.AdvancedTypographic.ClassDefinitionTable.Load(BigEndianBinaryReader reader, Int64 offset)
   at SixLabors.Fonts.Tables.AdvancedTypographic.GlyphDefinitionTable.Load(BigEndianBinaryReader reader)
   at SixLabors.Fonts.Tables.AdvancedTypographic.GlyphDefinitionTable.Load(FontReader reader)
   at SixLabors.Fonts.Tables.TableLoader.Load[GlyphDefinitionTable](FontReader reader)
   at SixLabors.Fonts.FontReader.TryGetTable[GlyphDefinitionTable]()
   at SixLabors.Fonts.StreamFontMetrics.LoadFont(FontReader reader)
   at SixLabors.Fonts.StreamFontMetrics.LoadFont(Stream stream)
   at SixLabors.Fonts.FontCollection.AddImpl(Stream stream, CultureInfo culture, FontDescription& description)
   at SixLabors.Fonts.FontCollection.Add(Stream stream, FontDescription& description)
   at SixLabors.Fonts.FontCollection.Add(Stream stream)
   at Stimulsoft.Drawing.Text.PrivateFontCollection.AddFontBytesInternal(Byte[] fontData)
   at Stimulsoft.Base.StiFontCollection.AddFontBytes(PrivateFontCollection collection, Byte[] fontData)
   at Stimulsoft.Base.Drawing.FontV..ctor(String name, Byte[] content, String extension, Boolean allowFileCache, String hash, PrivateFontCollection masterFontCollection)
   at Stimulsoft.Base.StiFontCollection.AddContentToCache(Byte[] content, String extension, String alias, Nullable`1 fontStyle, Boolean isResource)
   at Stimulsoft.Base.StiFontCollection.AddFontBytes(Byte[] content, String alias, Nullable`1 fontStyle)
   at Stimulsoft.Base.StiFontCollection.AddFontBase64(String fontBase64, String alias, Nullable`1 fontStyle)
   at Showing_a_Viewer_without_Toolbar.Pages.Index.OnInitializedAsync() in D:\downloads\Samples-Blazor-WebAssembly-main\Showing a Viewer without Toolbar\Pages\Index.razor:line 30
   at Microsoft.AspNetCore.Components.ComponentBase.RunInitAndSetParametersAsync()

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//StiFontCollection.AddFontFile("Fonts/Microsoft Sans Serif.ttf", "Segoe UI");

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  //var fontBase64 = "AAEAAAAVAQAABABQRFNJ ......
 // StiFontCollection.AddFontBase64(fontBase64, "Segoe UI");