FieldBuilder Class

public class FieldBuilder

Public Class FieldBuilder

public ref class FieldBuilder

type FieldBuilder =  class end

Document doc = new Document();

// Use a field builder to add a SYMBOL field which displays the "F with hook" symbol
FieldBuilder builder = new FieldBuilder(FieldType.FieldSymbol);
builder.AddArgument(402);
builder.AddSwitch("\\f", "Arial");
builder.AddSwitch("\\s", 25);
builder.AddSwitch("\\u");
Field field = builder.BuildAndInsert(doc.FirstSection.Body.FirstParagraph);

Assert.AreEqual(" SYMBOL 402 \\f Arial \\s 25 \\u ", field.GetFieldCode());

// Use a field builder to create a formula field that will be used by another field builder
FieldBuilder innerFormulaBuilder = new FieldBuilder(FieldType.FieldFormula);
innerFormulaBuilder.AddArgument(100);
innerFormulaBuilder.AddArgument("+");
innerFormulaBuilder.AddArgument(74);

// Add a field builder as an argument to another field builder
// The result of our formula field will be used as an ANSI value representing the "enclosed R" symbol,
// to be displayed by this SYMBOL field
builder = new FieldBuilder(FieldType.FieldSymbol);
builder.AddArgument(innerFormulaBuilder);
field = builder.BuildAndInsert(doc.FirstSection.Body.AppendParagraph(""));

Assert.AreEqual(" SYMBOL \u0013 = 100 + 74 \u0014\u0015 ", field.GetFieldCode());

// Now we will use our builder to construct a more complex field with nested fields
// For our IF field, we will first create two formula fields to serve as expressions
// Their results will be tested for equality to decide what value an IF field displays
FieldBuilder leftExpression = new FieldBuilder(FieldType.FieldFormula);
leftExpression.AddArgument(2);
leftExpression.AddArgument("+");
leftExpression.AddArgument(3);

FieldBuilder rightExpression = new FieldBuilder(FieldType.FieldFormula);
rightExpression.AddArgument(2.5);
rightExpression.AddArgument("*");
rightExpression.AddArgument(5.2);

// Next, we will create two field arguments using field argument builders
// These will serve as the two possible outputs of our IF field and they will also use our two expressions
FieldArgumentBuilder trueOutput = new FieldArgumentBuilder();
trueOutput.AddText("True, both expressions amount to ");
trueOutput.AddField(leftExpression);

FieldArgumentBuilder falseOutput = new FieldArgumentBuilder();
falseOutput.AddNode(new Run(doc, "False, "));
falseOutput.AddField(leftExpression);
falseOutput.AddNode(new Run(doc, " does not equal "));
falseOutput.AddField(rightExpression);

// Finally, we will use a field builder to create an IF field which takes two field builders as expressions,
// and two field argument builders as the two potential outputs
builder = new FieldBuilder(FieldType.FieldIf);
builder.AddArgument(leftExpression);
builder.AddArgument("=");
builder.AddArgument(rightExpression);
builder.AddArgument(trueOutput);
builder.AddArgument(falseOutput);

builder.BuildAndInsert(doc.FirstSection.Body.AppendParagraph(""));

doc.UpdateFields();
doc.Save(ArtifactsDir + "Field.SYMBOL.docx");