public GdxDataValue(
	GdxData source,
	GdxSeries series,
	T key,
	Nullable<double> value,
	string cursorFormat,
	string title,
	Brush defaultFill
)

Public Sub New ( _
	source As GdxData, _
	series As GdxSeries, _
	key As T, _
	value As Nullable(Of Double), _
	cursorFormat As String, _
	title As String, _
	defaultFill As Brush _
)

public function GdxDataValue(
	source : GdxData, 
	series : GdxSeries, 
	key : T, 
	value : Nullable<double>, 
	cursorFormat : String, 
	title : String, 
	defaultFill : Brush
)