This documentation is archived and is not being maintained.

AutoCompleteSource Enumeration

Note: This enumeration is new in the .NET Framework version 2.0.

Specifies the source for ComboBox and TextBox automatic completion functionality.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in

public enum AutoCompleteSource
public enum AutoCompleteSource
public enum AutoCompleteSource

 Member nameDescription
AllSystemSourcesSpecifies the equivalent of FileSystem and AllUrl as the source. This is the default value when AutoCompleteMode has been set to a value other than the default. 
AllUrlSpecifies the equivalent of HistoryList and RecentlyUsedList as the source. 
CustomSourceSpecifies strings from a built-in AutoCompleteStringCollection as the source. 
FileSystemSpecifies the file system as the source. 
FileSystemDirectoriesSpecifies that only directory names and not file names will be automatically completed. 
HistoryListIncludes the Uniform Resource Locators (URLs) in the history list. 
ListItemsSpecifies that the items of the ComboBox represent the source. 
NoneSpecifies that no AutoCompleteSource is currently in use. This is the default value of AutoCompleteSource
RecentlyUsedListIncludes the Uniform Resource Locators (URLs) in the list of those URLs most recently used. 

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0