以编程方式使用C#进行环境变量路径设置

问题描述

我必须检查是否设置了环境变量"DDCI_HOME"，我是否使用了以下代码
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i have to check whether an environmental variable "DDCI_HOME" is set or not i used following code
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String EnviromentPath = System.Environment.GetEnvironmentVariable("DDCI_HOME", 0);
      if (EnviromentPath == null)
      {
     MessageBox.Show("Set the path to DDCI_Home environmentalvariable");
     SetEnvVar_AboutBox EnvSetting_obj = new SetEnvVar_AboutBox(compiler_str);
     EnvSetting_obj.Show();
      }
      else
    MessageBox.Show(Environment.GetEnvironmentVariable("DDCI_HOME") + "path exist");

否则，请使用带有2个文本字段的AoutBox来提示用户提供envvalue
并使用一个确定按钮.当使用给定环境值并单击确定时，我已使用以下代码声明来设置环境变量.

other wise using an AoutBox with 2 text fields to prompt the user to give envvalue
and using one ok button . when the use give env value and click ok i have used following statement of code to set env variable.

System.Environment.SetEnvironmentVariable(Env_Var_textbox.Text, Env_value_textbox.Text, 0);

没有收到任何错误，但我无法正确设置环境变量，当我们右键单击MYCOMPUTER-> PROPERTIES-> ENVIRONMENTALVARIABLES-> ........

NOT GETTING ANY ERROR BUT I AM UNABLE SET ENV VARIABLE PROPERLY AND I AM UNABLE TO WHEN WE RIGHT CLICK ON MYCOMPUTER->PROPERTIES->ENVIRONMENTALVARIABLES->.....

推荐答案

System.Environment.SetEnvironmentVariable(Env_Var_textbox.Text, Env_value_textbox.Text, EnvironmentVariableTarget.User);

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