DocumentBuilder.InsertComboBox method

Inserts a combobox form field at the current position.

public FormField InsertComboBox(string name, string[] items, int selectedIndex)
Parameter Type Description
name String The name of the form field. Can be an empty string. The value longer than 20 characters will be truncated.
items String[] The items of the ComboBox. Maximum is 25 items.
selectedIndex Int32 The index of the selected item in the ComboBox.

Return Value

The form field node that was just inserted.


If you specify a name for the form field, then a bookmark is automatically created with the same name.


Shows how to insert a combo box form field into a document.

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

// Insert a form that prompts the user to pick one of the items from the menu.
builder.Write("Pick a fruit: ");
string[] items = { "Apple", "Banana", "Cherry" };
builder.InsertComboBox("DropDown", items, 0);

doc.Save(ArtifactsDir + "DocumentBuilder.InsertComboBox.docx");

Shows how to create form fields.

DocumentBuilder builder = new DocumentBuilder();

// Form fields are objects in the document that the user can interact with by being prompted to enter values.
// We can create them using a document builder, and below are two ways of doing so.
// 1 -  Basic text input:
builder.InsertTextInput("My text input", TextFormFieldType.Regular, 
    "", "Enter your name here", 30);

// 2 -  Combo box with prompt text, and a range of possible values:
string[] items =
    "-- Select your favorite footwear --", "Sneakers", "Oxfords", "Flip-flops", "Other"

builder.InsertComboBox("My combo box", items, 0);

builder.Document.Save(ArtifactsDir + "DocumentBuilder.CreateForm.docx");

See Also