'宣言 Protected Friend MustOverride Function FormatRange( _ ByVal range As Infragistics.DateRange, _ ByVal anchorDate As Date, _ ByVal info As TimescaleInfo, _ ByVal isToolTip As Boolean _ ) As String
protected internal abstract string FormatRange( Infragistics.DateRange range, DateTime anchorDate, TimescaleInfo info, bool isToolTip )