This is a dependency property.
'Declaration Public Function TrendLineType( _ ByVal trendLineType As TrendLineType _ ) As FinancialPriceSeries(Of T)
public FinancialPriceSeries<T> TrendLineType( TrendLineType trendLineType )
Target Platforms: Windows 8.1, Windows 8.1, Windows 8, 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
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