In Tool part I create check Box List property.I want to set this property web part but its not work.for single value its work but I want to set multiple values.

 public override void ApplyChanges()     {         CustomizableFilter customizableFilterWebPart = (CustomizableFilter)this.ParentToolPane.SelectedWebPart;          int count = 0;         foreach (ListItem item in CategoryCheckBoxList.Items)         {             if (item.Selected)             {                 selectedCategory.Add(item.Value);             }             count++;         }         customizableFilterWebPart.categoryValues = selectedCategory;      } 

Get the values using below code

  var selectedItems = ((CustomizableFilter)this.ParentToolPane.SelectedWebPart).categoryValues;