Class TextStyle

public sealed class TextStyle : Style
{
    private Font _font;
    public string FontName
    {
        get { return _font.FontFamily; }
        set { _font = new Font(value); }
    }
    public double FontSize
    {
        get { return _font.Size; }
        set { _font.Size = value; }
    }
    public Color FontColor
    {
        get { return _font.Color; }
        set { _font.Color = value; }
    }
}

string dataDir = RunExamples.GetDataDir_Text();
   Document document = new Document(dataDir + "Aspose.one");
   foreach (var title in document.Select(e => e.Title.TitleText))
   {
       title.ParagraphStyle.FontSize = 24;
       title.ParagraphStyle.IsBold = true;
       foreach (var run in title.TextRuns)
       {
           run.Style.FontSize = 24;
           run.Style.IsBold = true;
       }
   }
   document.Save(Path.Combine(dataDir, "ChangePageTitleStyle.pdf"));

string dataDir = RunExamples.GetDataDir_Text();
   Document document = new Document(dataDir + "Aspose.one");
   var richTextNodes = document.GetChildNodes<RichText>()
      .Where(e => e.LastModifiedTime >= DateTime.Today.Subtract(TimeSpan.FromDays(7)));
   foreach (var node in richTextNodes)
   {
       node.ParagraphStyle.Highlight = Color.DarkGreen;
       foreach (var run in node.TextRuns)
       {
           run.Style.Highlight = Color.DarkSeaGreen;
       }
   }
   document.Save(Path.Combine(dataDir, "HighlightAllRecentChanges.pdf"));

var document = new Document();
   var page = new Page();
   var outline = new Outline();
   var outlineElem = new OutlineElement();
   var text = new RichText() { ParagraphStyle = ParagraphStyle.Default };
   text.Append("United States", new TextStyle() { Language = CultureInfo.GetCultureInfo("en-US") })
       .Append(" Germany", new TextStyle() { Language = CultureInfo.GetCultureInfo("de-DE") })
       .Append(" China", new TextStyle() { Language = CultureInfo.GetCultureInfo("zh-CN") });
   outlineElem.AppendChildLast(text);
   outline.AppendChildLast(outlineElem);
   page.AppendChildLast(outline);
   document.AppendChildLast(page);
   document.Save(Path.Combine(RunExamples.GetDataDir_Text(), "SetProofingLanguageForText.one"));

var document = new Document();
   var page = new Page();
   var outline = new Outline();
   var outlineElem = new OutlineElement();
   var text = new RichText()
      {
         ParagraphStyle = new ParagraphStyle()
         {
            FontName = "Courier New",
            FontSize = 20
         }
      };
   text.Append($"DefaultParagraphFontAndSize{Environment.NewLine}");
   text.Append($"OnlyDefaultParagraphFont{Environment.NewLine}", new TextStyle() { FontSize = 14 });
   text.Append("OnlyDefaultParagraphFontSize", new TextStyle() { FontName = "Verdana" });
   outlineElem.AppendChildLast(text);
   outline.AppendChildLast(outlineElem);
   page.AppendChildLast(outline);
   document.AppendChildLast(page);
   document.Save(Path.Combine(RunExamples.GetDataDir_Text(), "SetDefaultParagraphStyle.one"));

string dataDir = RunExamples.GetDataDir_Tasks();
   Document doc = new Document();
   RichText titleText = new RichText() { ParagraphStyle = ParagraphStyle.Default }.Append("Title!");
   Outline outline = new Outline()
   {
       MaxWidth = 200,
       MaxHeight = 200,
       VerticalOffset = 100,
       HorizontalOffset = 100
   };
   TextStyle textStyleRed = new TextStyle
   {
       FontColor = Color.Red,
       FontName = "Arial",
       FontSize = 10,
   };
   TextStyle textStyleHyperlink = new TextStyle
   {
       IsHyperlink = true,
       HyperlinkAddress = "www.google.com"
   };
   RichText text = new RichText()
       .Append("This is ", textStyleRed)
       .Append("hyperlink", textStyleHyperlink)
       .Append(". This text is not a hyperlink.", TextStyle.Default);
   OutlineElement outlineElem = new OutlineElement();
   outlineElem.AppendChildLast(text);
   outline.AppendChildLast(outlineElem);
   Title title = new Title() { TitleText = titleText };
   Note.Page page = new Note.Page() { Title = title };
   page.AppendChildLast(outline);
   doc.AppendChildLast(page);
   dataDir += "AddHyperlink_out.one";
   doc.Save(dataDir);

public TextStyle()
   {
   }

public static TextStyle Default
{
    get;
}

public static TextStyle DefaultMsOneNoteTitleDateStyle
{
    get;
}
In this case, since there are no nested structures or control flow statements, the input code is already formatted according to standard C# conventions. I could have added line breaks before and after the opening and closing braces for better readability, but the provided code meets the requirements and is valid as it stands.

public static TextStyle DefaultMsOneNoteTitleTextStyle
{
    get;
}
In this specific case, the input is already formatted according to standard C# conventions. The given code will remain unchanged as output.

public static TextStyle DefaultMsOneNoteTitleTimeStyle
    {
        get
        {
            return new TextStyle
            {
                Name = "DefaultMsOneNoteTitleTimeStyle",
                FontFamilyName = "Calibri (Body)",
                FontSize = "14",
                FontColor = Color.Black,
                BackColor = System.Drawing.Color.Transparent,
                Bold = false,
                Italic = false,
                Underline = TextUnderlineType.None,
                Strikeout = false,
                SpaceBefore = "0",
                SpaceAfter = "0",
                ParagraphFormat = new ParagraphFormat
                {
                    Alignment = ParagraphAlignment.Center,
                    LineSpacingRule = LineSpacingRule.Exact,
                    Spacing = "12"
                }
            };
        }
    }

public string HyperlinkAddress
{
    get;
    set;
}

string dataDir = RunExamples.GetDataDir_Tasks();
   Document doc = new Document();
   RichText titleText = new RichText() { ParagraphStyle = ParagraphStyle.Default }.Append("Title!");
   Outline outline = new Outline()
   {
       MaxWidth = 200,
       MaxHeight = 200,
       VerticalOffset = 100,
       HorizontalOffset = 100
   };
   TextStyle textStyleRed = new TextStyle
   {
       FontColor = Color.Red,
       FontName = "Arial",
       FontSize = 10,
   };
   TextStyle textStyleHyperlink = new TextStyle
   {
       IsHyperlink = true,
       HyperlinkAddress = "www.google.com"
   };
   RichText text = new RichText() { ParagraphStyle = ParagraphStyle.Default }
       .Append("This is ", textStyleRed)
       .Append("hyperlink", textStyleHyperlink)
       .Append(". This text is not a hyperlink.", TextStyle.Default);
   OutlineElement outlineElem = new OutlineElement();
   outlineElem.AppendChildLast(text);
   outline.AppendChildLast(outlineElem);
   Title title = new Title() { TitleText = titleText };
   Note.Page page = new Note.Page() { Title = title };
   page.AppendChildLast(outline);
   doc.AppendChildLast(page);
   dataDir += "AddHyperlink_out.one";
   doc.Save(dataDir);

public bool IsHidden
    {
        get;
        private set;
    }

public bool IsHyperlink
   {
      get;
      private set;
   }

string dataDir = RunExamples.GetDataDir_Tasks();
   Document doc = new Document();
   RichText titleText = new RichText() { ParagraphStyle = ParagraphStyle.Default }.Append("Title!");
   Outline outline = new Outline()
   {
       MaxWidth = 200,
       MaxHeight = 200,
       VerticalOffset = 100,
       HorizontalOffset = 100
   };
   TextStyle textStyleRed = new TextStyle
   {
       FontColor = Color.Red,
       FontName = "Arial",
       FontSize = 10
   };
   TextStyle textStyleHyperlink = new TextStyle
   {
       IsHyperlink = true,
       HyperlinkAddress = "www.google.com"
   };
   RichText text = new RichText()
      .Append("This is ", textStyleRed)
      .Append("hyperlink", textStyleHyperlink)
      .Append(". This text is not a hyperlink.", TextStyle.Default);
   OutlineElement outlineElem = new OutlineElement();
   outlineElem.AppendChildLast(text);
   outline.AppendChildLast(outlineElem);
   Title title = new Title() { TitleText = titleText };
   Note.Page page = new Page() { Title = title };
   page.AppendChildLast(outline);
   doc.AppendChildLast(page);
   dataDir += "AddHyperlink_out.one";
   doc.Save(dataDir);

public bool IsMathFormatting
{
    get;
    private set;
}

public CultureInfo Language; // Note lowercase 'L' for property accessor and proper casing for the variable name

var document = new Document();
   var page = new Page();
   var outline = new Outline();
   var outlineElem = new OutlineElement();
   var text = new RichText() { ParagraphStyle = ParagraphStyle.Default };
   text.Append("United States", new TextStyle() { Language = CultureInfo.GetCultureInfo("en-US") });
   text.Append(" Germany", new TextStyle() { Language = CultureInfo.GetCultureInfo("de-DE") });
   text.Append(" China", new TextStyle() { Language = CultureInfo.GetCultureInfo("zh-CN") });
   outlineElem.AppendChildLast(text);
   outline.AppendChildLast(outlineElem);
   page.AppendChildLast(outline);
   document.AppendChildLast(page);
   document.Save(Path.Combine(RunExamples.GetDataDir_Text(), "SetProofingLanguageForText.one"));

public override bool Equals(object obj)
   {
       if (obj == null || this.GetType() != obj.GetType())
           return false;
       var document = (Aspose.Words.Document)obj;
       return this.Range == document.Range;
   }

public bool Equals(TextStyle other)
   {
   }

public override int GetHashCode()
{
}