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ProcessStartInfo.EnvironmentVariables Property

Gets search paths for files, directories for temporary files, application-specific options, and other similar information.

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

public StringDictionary EnvironmentVariables { get; }

Property Value

Type: System.Collections.Specialized.StringDictionary
A string dictionary that provides environment variables that apply to this process and child processes. The default is null.

Although you cannot set the EnvironmentVariables property, you can modify the StringDictionary returned by the property. For example, the following code adds a TempPath environment variable: myProcess.StartInfo.EnvironmentVariables.Add("TempPath", "C:\\Temp"). You must set the UseShellExecute property to false to start the process after changing the EnvironmentVariables property. If UseShellExecute is true, an InvalidOperationException is thrown when the Start method is called.

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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