EnvUpdate

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EnvUpdate

刷新操作系统的环境变量.

EnvUpdate ( )

返回值

成功:	无返回值.
失败:	设置 @error 为 1.

备注

效果等同于注销, 然后重新打开. 例如: 修改 %path%, 环境变化可能不会立即生效, 必须调用 EnvUpdate (或者注销/重启).

函数示例

#include <MsgBoxConstants.au3>
Example()
Func Example()
    ; Retrieve the system environment variable called %PATH%.
    Local $sEnvVar = EnvGet("PATH")
    ; Assign the system environment variable called %PATH% with its current value as well as the script directory.
    ; When you assign an environment variable you do so minus the percentage signs (%).
    EnvSet("PATH", $sEnvVar & ";" & @ScriptDir)
    ; Refresh the OS environment for changes to take affect.
    EnvUpdate()
    ; Retrieve the system environment variable that was just assigned a value previously.
    $sEnvVar = EnvGet("PATH")
    ; Display the value of the environment variable $PATH%.
    MsgBox($MB_SYSTEMMODAL, "", "The environment variable %PATH% has the value of: " & $sEnvVar)
EndFunc   ;==>Example

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该函数可以通过命令 exect 调用

参见:

EnvGet, EnvSet

例子

如何创建一个按钮?

;; 获取值环境变量%PATH%.

$var_env=EnvGet('PATH')

;;将值环境变量%PATH%分配给其当前值与当前脚本的目录.

;; 在一个环境变量的任命，使用它没有"兴趣"(%).

EnvSet('PATH',$var_env&';'& @ScriptDir)

;; 更新操作系统环境的环境，使更改生效.

EnvUpdate()

;; 获取先前分配的环境变量值.

$var_env = EnvGet('PATH')