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TextBox.AutoCompleteCustomSource Property

Gets or sets a custom System.Collections.Specialized.StringCollection to use when the AutoCompleteSource property is set to CustomSource.

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

[<BrowsableAttribute(true)>]
member AutoCompleteCustomSource : AutoCompleteStringCollection with get, set

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.

The following code example demonstrates how to use a collection as the auto-complete custom source for a TextBox control. This example does the following:

  • Uses the AutoCompleteSource property to enable the TextBox control to accept a custom source for its auto-complete behavior.

  • Uses the AutoCompleteCustomSource property to set the custom list of values.

  • Uses the AutoCompleteMode property to set how the auto-complete candidates are displayed.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

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