The MediaTypeNames.Application media type designates that the attachment data should be processed by an application, such as a Postscript processor, a spreadsheet, or a word processor. The data is usually something other than simple text, such as an image, or an audio or video file.
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.