Gets or sets a value that specifies the line weight for each sparkline in the sparkline group, where the line weight is measured in points. The weight must be greater than or equal to zero, and must be less than or equal to 3 (LineSeries only supports line weight values in the range of 0.0->3.0).

'宣言
 
Public Property LineWeight As System.Double

public System.double LineWeight {get; set;}