Public Interface IChart Property ID As String Property DisplayName As String Property ChartType As Enums.ChartType Property ChartSource As Enums.ChartSource Property PlotModel As Object 'OxyPlot PlotModel, ALWAYS Property ChartSourceObjectID As String Property ChartSourceObjectChartID As String Property SpreadsheetDataSourcesX As List(Of String) Property SpreadsheetDataSourcesY As List(Of String) Property ChartSourceObjectAutoUpdate As Boolean End Interface