This enumeration is used by many Control classes in the framework to determine how their edges should appear. public enum BorderStyle { None = 0 , FixedSingle = 1 , Fixed3D = 2 } HierarchySystem.Object System.ValueType System.Enum(System.IComparabl, System.IFormattable , System.IConvertible) BorderStyle Returned ByDataGrid.BorderStyle , Label.BorderStyle , ListBox.BorderStyle , ListView.BorderStyle , Panel.BorderStyle , PictureBox.BorderStyle , Splitter.BorderStyle , TextBoxBase.BorderStyle , ToolBar.BorderStyle , TreeView.BorderStyle , UpDownBase.BorderStyle Passed ToDataGrid.BorderStyle , Label.BorderStyle , ListBox.BorderStyle , ListView.BorderStyle , Panel.BorderStyle , PictureBox.BorderStyle , Splitter.BorderStyle , TextBoxBase.BorderStyle , ToolBar.BorderStyle , TreeView.BorderStyle , UpDownBase.BorderStyle |