'宣言 Public Overloads Function ReplaceAll( _ ByVal span As DocumentSpan, _ ByVal textToFind As String, _ ByVal replacementText As String, _ ByRef error As String, _ Optional ByVal findCriteria As FindCriteria _ ) As ReplaceResult
public ReplaceResult ReplaceAll( DocumentSpan span, string textToFind, string replacementText, out string error, FindCriteria findCriteria )