public void DeleteFormField()
{
//ExStart
//ExFor:FormField.RemoveField
//ExSummary:Shows how to delete complete form field
Document doc = new Document(MyDir + "FormFields.doc");
FormField formField = doc.Range.FormFields[3];
formField.RemoveField();
//ExEnd
FormField formFieldAfter = doc.Range.FormFields[3];
Assert.IsNull(formFieldAfter);
}