https://learn.microsoft.com/tr-tr/dotnet/api/system.windows.forms.datavisualization.charting.datapointcustomproperties.backhatchstyle?view=netframework-4.8.1
DataPointCustomProperties.BackHatchStyle Property (System.Windows.Forms.DataVisualization.Charting)...
Gets or sets the background hatching style.
property systemwindows formsdatavisualizationcharting