SiemensWebApiLogoutAsync 方法

从PLC退出登录，当前的token信息失效，需要再次调用ConnectServer获取新的token信息才可以。
Log out from the PLC, the current token information is invalid, you need to call ConnectServer again to get the new token information.

public Task<OperateResult> LogoutAsync()

Public Function LogoutAsync As Task(Of OperateResult)

public:
Task<OperateResult^>^ LogoutAsync()

member LogoutAsync : unit -> Task<OperateResult>