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ProcessStartInfo.FileName Property

Gets or sets the application or document to start.

Namespace:  System.Diagnostics
Assembly:  System (in System.dll)

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member FileName : string with get, set

Property Value

Type: System.String
The name of the application to start, or the name of a document of a file type that is associated with an application and that has a default open action available to it. The default is an empty string ("").

You must set at least the FileName property before you start the process. The file name is any application or document. A document is defined to be any file type that has an open or default action associated with it. You can view registered file types and their associated applications for your computer by using the Folder Options dialog box, which is available through the operating system. The Advanced button leads to a dialog box that shows whether there is an open action associated with a specific registered file type.

The set of file types available to you depends in part on the value of the UseShellExecute property. If UseShellExecute is true, you can start any document and perform operations on the file, such as printing, with the Process component. When UseShellExecute is false, you can start only executables with the Process component.

You can start a ClickOnce application by setting the FileName property to the location (for example, a Web address) from which you originally installed the application. Do not start a ClickOnce application by specifying its installed location on your hard disk.

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

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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