vb.net 使用visual basic 2010设置环境变量
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Setting an environment variable with visual basic 2010
提问by user2333346
Im trying to set an environment variable in Visual Basic 2010 as follows:
我试图在 Visual Basic 2010 中设置一个环境变量，如下所示：
Module Module1
Sub Main()
Environment.SetEnvironmentVariable("Variable", "Value")
End Sub
End Module
But even though the code runs,
但即使代码运行，
When i go to Environment Variables>System Variables Nothing is there
当我去环境变量>系统变量时什么都没有
Can someone please tell me whats wrong?
有人可以告诉我有什么问题吗？
回答by Jimmy
By default, the environment variable is only set for the current process (and inherited in any child processes that spawn from it). You're probably looking for the overloadwhich lets you specify an EnvironmentVariableTarget(either Machine or User for your case).
默认情况下，环境变量仅为当前进程设置（并在从它产生的任何子进程中继承）。您可能正在寻找可以让您指定EnvironmentVariableTarget（您的情况下的机器或用户）的重载。
回答by Avijit Karmakar
To set the environment variable for the the current process:
为当前进程设置环境变量：
Environment.SetEnvironmentVariable(String EnvironmentVariableName, String EnvironmentVariableValue, EnvironmentVariableTarget.Process)
To set the environment variable for the the current user:
为当前用户设置环境变量：
Environment.SetEnvironmentVariable(String EnvironmentVariableName, String EnvironmentVariableValue, EnvironmentVariableTarget.User)
To set the environment variable for the the local machine:
为本地机器设置环境变量：
Environment.SetEnvironmentVariable(String EnvironmentVariableName, String EnvironmentVariableValue, EnvironmentVariableTarget.Machine)
