SetEnvironmentVariable(String, String, EnvironmentVariableTarget) 來源: Environment.cs 建立、修改或刪除儲存在目前進程或保留給目前使用者或本機計算機的 Windows 作業系統登錄機碼中的環境變數。 C# 複製 public static void SetEnvironmentVariable (string variable, string? value, EnvironmentVariableTarget ...
Set Environment Variable in Windows via Command Prompt Use thesetxcommand to set a new user-specific environment variable via the Command Prompt: setx [variable_name] "[variable_value]" Where: [variable_name]: The name of the environment variable you want to set. [variable_value]: The value...
设置或更新一个环境变量值(Set OR Update One Environment Variable Value) After assigning a value to a environment variable we may need to update it with new value. We can usesetcommand in order to update current environment variable with a new value. In this example we will update our variabl...
There are two types of environment variables:userenvironment variables (set only for current user) andsystemenvironment variables (set for all users). This tutorial will show you how to set (create) new user and systemenvironment variablesinWindows 7,Windows 8, andWindows 10. User environment var...
BOOL SetEnvironmentVariable( [in] LPCTSTR lpName, [in, optional] LPCTSTR lpValue ); 参数[in] lpName环境变量的名称。 如果环境变量不存在且 lpValue 不为NULL,则操作系统将创建该环境变量。[in, optional] lpValue环境变量的内容。 用户定义的环境变量的最大大小为 32,767 个字符。 有关详细信息,请参...
What are Environment Variables on Windows 11? Anenvironment variableis a user-definable value that can affect how running processes behave on a computer. Environment variables are part of the environment in which a process runs. For example, a running process can query the value of theTEMPenviron...
By default setx sets the variable in the local environment (Under HKEY_Current_User Registry key). If you want to set the system variable (Under HKEY_LOCAL_MACHINE registry key), use the flag/m. Start the command prompt as administrator on Windows 10, right click on Start menu and selectC...
processenv.h 標頭會根據 UNICODE 預處理器常數的定義,將 SetEnvironmentVariable 定義為自動選取此函式的 ANSI 或 Unicode 版本。 混合使用編碼中性別名與非編碼中性的程序代碼,可能會導致編譯或運行時間錯誤不符。 如需詳細資訊,請參閱函式原型的慣例。
SET /A "_var1=_var2=_var3=10" (sets 3 variables to the same value - undocumented syntax.) SET /A will treat any character string in the expression as an environment variable name. This allows you to do arithmetic with environment variables without having to type any % signs to get ...
标头processenv.h (包括 Windows Server 2003、Windows Vista、Windows 7、Windows Server 2008 Windows Server 2008 R2 上的 Windows.h) 库Kernel32.lib DLLKernel32.dll 另请参阅 环境变量 GetEnvironmentVariable 反馈 此页面是否有帮助? 是否 提供产品反馈| ...