public void DocumentBuilderInsertCheckBoxFormField()
{
//ExStart
//ExFor:DocumentBuilder.InsertCheckBox
//ExId:DocumentBuilderInsertCheckBoxFormField
//ExSummary:Shows how to insert a checkbox form field into a document.
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
builder.InsertCheckBox("CheckBox", true, 0);
//ExEnd
}