$_.Name)Get-WmiNamespace-Namespace$ns}}Catch{Write-Host('Error@Namespace: {0} - {1}'-f$Namespace,$Error[0])}}$WmiClasses=Get-WmiNamespace|ForEach-Object{$Namespace=$_Try{Get-WmiObject
ValidateRangeAttribute:限制变量的取值范围 ValidateSetAttribute:限制变量的取值集合 ValidateNotNullAttribute 例子 ValidateNotNullOrEmptyAttribute 例子,注意@()为一个空数组。
Validate input early on. Don't allow your code to continue on a path when it can't complete without valid input. Always specify a datatype for the variables used for parameters. In the following example, String is specified as the datatype for the ComputerName parameter. This validation lim...
Input function Main { ## 打开socket连接远程机器和端口 if(-not $scriptedMode) { write-host "Connecting to $remoteHost on port $port" } ## 异常追踪 trap { Write-Error "Could not connect to remote computer: $_"; exit } $socket = new-object System.Net.Sockets.TcpClient($remoteHost, $...
对于Mandatory参数和ValidateNotNull和ValidateNotNullOrEmpty属性,如果集合的元素类型是值类型,请跳过 null 元素检查。 保留ParenExpression、SubExpression和ArrayExpression的$? 此PR 更改了子管道(...)、子表达式$(...)和数组表达式@()的编译方式,以便$?不会自动为true。 相反,$?的值取决于执行的管道或语句的结果...
$Host包含一个对象,该对象表示 Windows PowerShell 的当前主机应用程序。可以使用此变量在命令中表示当前主机,或者显示或更改主机的属性,如 $Host.version、$Host.Curr 20、entCulture或 $host.ui.rawui.setbackgroundcolor(“Red”)。$Input一个枚举数,它包含传递给函数的输入。$Input 变量区分大小写,只能用于...
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The Services value SMTP grants the Network Services local security group read access to the certificate's private key. The Services value SMTP and the Subject value that contains the server name publishes the certificate to Active Directory so that Exchange direct trust can validate the authenticity...
Accept pipeline input:False Accept wildcard characters:False -TrustServerCertificate Indicates whether the channel will be encrypted while bypassing walking the certificate chain to validate trust. This parameter is new in v22 of the module. For more details, seeStrict Connection EncryptionunderRelated ...
but first we'll validate that the parameter is not null or empty. This is necessary because it has already been defined as an attribute for the Parameter in PowerShell as part of the Stop-Service cmdlet source code.Executing VALIDATION metadata: [System.Management.Automa...