DefaultExt Property

FileDialog.DefaultExt Property

Gets or sets a value that specifies the default extension string to use to filter the list of files that are displayed.

Namespace:  Microsoft.Win32
Assembly:  PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: Not mapped to an xmlns.

public string DefaultExt { get; set; }
<object DefaultExt="string" .../>

Property Value

Type: System.String
The default extension string. The default is Empty.

By default, the AddExtension property attempts to determine the extension to filter the displayed file list from the Filter property. If the extension cannot be determined from the Filter property, DefaultExt will be used instead.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

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