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FileExtensionsAttribute::IsValid Method

.NET Framework 4.5

Checks that the specified file name extension or extensions is valid.

Namespace:  System.ComponentModel.DataAnnotations
Assemblies:   System.ComponentModel.Annotations (in System.ComponentModel.Annotations.dll)
  System.ComponentModel.DataAnnotations (in System.ComponentModel.DataAnnotations.dll)

virtual bool IsValid(
	Object^ value
) override


Type: System::Object

A comma delimited list of valid file extensions.

Return Value

Type: System::Boolean
true if the file name extension is valid; otherwise, false.

.NET Framework

Supported in: 4.6, 4.5

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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