Logic to detect if Application is started from Citrix/Terminal Server/PC in C#

The below logic can be used to if application is started from Citrix, Terminal Server/Remote Desktop or normal Desktop.

switch (Environment.GetEnvironmentVariable("SESSIONNAME").ToUpper().Substring(0, 3))
                    case "ICA":
                        Console.WriteLine("Running from Citrix");
                    case "RDP":
                        Console.WriteLine("Running from Terminal Server/Remote Desktop");
                    case "CON":
                        Console.WriteLine("Running from PC");

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Logic to detect if Application is started from Citrix Terminal Server PC in .net, C#.NET , Detect if application started from Citrix, Remote Desktop, PC in .NET