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.NET Development
.NET Framework 3.5
TextBox Class
 AutoCompleteMode Property
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This page is specific to
Microsoft Visual Studio 2008/.NET Framework 3.5

Other versions are also available for the following:
.NET Framework Class Library
TextBox..::.AutoCompleteMode Property

Gets or sets an option that controls how automatic completion works for the TextBox.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)
Visual Basic (Declaration)
<BrowsableAttribute(True)> _
Public Property AutoCompleteMode As AutoCompleteMode
Visual Basic (Usage)
Dim instance As TextBox
Dim value As AutoCompleteMode

value = instance.AutoCompleteMode

instance.AutoCompleteMode = value
C#
[BrowsableAttribute(true)]
public AutoCompleteMode AutoCompleteMode { get; set; }
Visual C++
[BrowsableAttribute(true)]
public:
property AutoCompleteMode AutoCompleteMode {
    AutoCompleteMode get ();
    void set (AutoCompleteMode value);
}
JScript
public function get AutoCompleteMode () : AutoCompleteMode
public function set AutoCompleteMode (value : AutoCompleteMode)

Property Value

Type: System.Windows.Forms..::.AutoCompleteMode
One of the values of AutoCompleteMode. The values are Append, None, Suggest, and SuggestAppend. The default is None.
ExceptionCondition
InvalidEnumArgumentException

The specified value is not one of the values of AutoCompleteMode.

Use the AutoCompleteCustomSource, AutoCompleteMode, and AutoCompleteSource properties to create a TextBox that automatically completes input strings by comparing the prefix being entered to the prefixes of all strings in a maintained source. This is useful for TextBox controls in which URLs, addresses, file names, or commands will be frequently entered.

The use of the AutoCompleteCustomSource property is optional, but you must set the AutoCompleteSource property to CustomSource in order to use AutoCompleteCustomSource.

You must use the AutoCompleteMode and AutoCompleteSource properties together.

NoteNote:

The operating system might limit the number of custom strings that it can display at once.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0
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