'宣言 Public Function ReplaceAll( _ ByVal textToFind As String, _ ByVal replacementText As String, _ ByRef error As String, _ Optional ByVal findCriteria As Infragistics.Documents.RichText.FindCriteria _ ) As Integer
public int ReplaceAll( string textToFind, string replacementText, out string error, Infragistics.Documents.RichText.FindCriteria findCriteria )