ConditionalStyleCollection Class

public sealed class ConditionalStyleCollection : IEnumerable<ConditionalStyle>, 
	IEnumerable

Public NotInheritable Class ConditionalStyleCollection
	Implements IEnumerable(Of ConditionalStyle), IEnumerable

public ref class ConditionalStyleCollection sealed : IEnumerable<ConditionalStyle^>, 
	IEnumerable

[<SealedAttribute>]
type ConditionalStyleCollection =  
    class
        interface IEnumerable<ConditionalStyle>
        interface IEnumerable
    end

Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);

// Create a table, which we will partially style
Table table = builder.StartTable();
builder.InsertCell();
builder.Write("Cell 1, to be formatted");
builder.InsertCell();
builder.Write("Cell 2, to be formatted");
builder.EndRow();
builder.InsertCell();
builder.Write("Cell 3, to be left unformatted");
builder.InsertCell();
builder.Write("Cell 4, to be left unformatted");
builder.EndTable();

TableStyle tableStyle = (TableStyle)doc.Styles.Add(StyleType.Table, "MyTableStyle1");
// There is a different ways how to get conditional styles:
// by conditional style type
tableStyle.ConditionalStyles[ConditionalStyleType.FirstRow].Shading.BackgroundPatternColor = Color.AliceBlue;
// by index
tableStyle.ConditionalStyles[0].Borders.Color = Color.Black;
tableStyle.ConditionalStyles[0].Borders.LineStyle = LineStyle.DotDash;
Assert.AreEqual(ConditionalStyleType.FirstRow, tableStyle.ConditionalStyles[0].Type);
// directly from ConditionalStyleCollection
tableStyle.ConditionalStyles.FirstRow.ParagraphFormat.Alignment = ParagraphAlignment.Center;
// To see this in Word document select Total Row checkbox in Design Tab
tableStyle.ConditionalStyles.LastRow.BottomPadding = 10;
tableStyle.ConditionalStyles.LastRow.LeftPadding = 10;
tableStyle.ConditionalStyles.LastRow.RightPadding = 10;
tableStyle.ConditionalStyles.LastRow.TopPadding = 10;
// To see this in Word document select Last Column checkbox in Design Tab
tableStyle.ConditionalStyles.LastColumn.Font.Bold = true;

// List all possible style conditions
using (IEnumerator<ConditionalStyle> enumerator = tableStyle.ConditionalStyles.GetEnumerator())
{
    while (enumerator.MoveNext())
    {
        ConditionalStyle currentStyle = enumerator.Current;
        if (currentStyle != null) Console.WriteLine(currentStyle.Type);
    }
}

// Apply conditional style to the table and save
table.Style = tableStyle;

doc.Save(ArtifactsDir + "Table.WorkWithTableConditionalStyles.docx");