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FileDialog.FilterIndex Property

Gets or sets the index of the filter currently selected in the file dialog box.

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

public function get FilterIndex () : int 
public function set FilterIndex (value : int)

Property Value

Type: System.Int32
A value containing the index of the filter currently selected in the file dialog box. The default value is 1.

Use the FilterIndex property to set which filtering option is shown first to the user. You can also use the value of FilterIndex after showing the file dialog to perform special file operations depending upon the filter chosen.

NoteNote:

The index value of the first filter entry is 1.

The following code example uses the OpenFileDialog implementation of FileDialog and illustrates creating, setting of properties, and showing the dialog box. The example uses the Filter and FilterIndex properties to provide a list of filters for the user. The example requires a form with a Button placed on it and the System.IO namespace added to it.

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

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, Windows CE, Windows Mobile for Pocket PC

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, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

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