private static void InsertTextFieldAt(TextViewCaret caret)
{
TextDocument document = caret.TextDocument;
EditPoint startEditPoint = CodeRush.EditPoints.New(document, caret.SourcePoint);
startEditPoint.IsAnchorable = true;
EditPoint endEditPoint = CodeRush.EditPoints.New(document, caret.SourcePoint);
endEditPoint.IsPushable = true;
TextField newField = new TextField(startEditPoint, endEditPoint, "Enter string value", TextFieldType.Normal, false);
EditPoint targetPoint = endEditPoint.Clone();
targetPoint.MoveRight(1);
TextFieldTarget newTarget = new TextFieldTarget(targetPoint, targetPoint);
document.TextFields.Add(newField);
document.TextFieldTarget = newTarget;
}