A reference to a class that implements the System.IFormatProvider interface that will be used to format the variables contained in the TextFormat and TitleFormat properties.
Remarks
The list of values that can be passed to the FormatSpecifier property can be found in the "Format Specifiers and Format Providers" topic of the .NET Framework.
If the FormatProvider property has not been explicitly set, the format provider of the column whose values are used to calculate the statistical function (StatFieldName) will be used.
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2