This enumeration is used by the RichTextBox.SelectionType property to define the nature of the selection. public enum RichTextBoxSelectionTypes { Empty = 0x00000000 , Text = 0x00000001 , Object = 0x00000002 , MultiChar = 0x00000004 , MultiObject = 0x00000008 } Hierarchy System.Object Returned ByRichTextBox.SelectionType |