[Parameter(Position = 0)] [ValidateNotNullOrEmpty] public string[] Name 重写输入处理方法 如果cmdlet 要处理命令行输入,则必须重写相应的输入处理方法。创建第一个 Cmdlet中引入了基本输入处理方法。 Get-Proccmdlet 重写System.Management.Automation.Cmdle
function Test-MrParameterValidation { [CmdletBinding()] param ( [ValidateNotNullOrEmpty()] [string[]]$ComputerName = $env:COMPUTERNAME ) Write-Output $ComputerName } 详细输出 如果要编写复杂的代码,则内联注释非常有用,但除非用户查看代码,否则不会看到它们。 以下示例中的函数在 foreach 循环内有一...
Cannot bind argument to parameter xxxxx' because it is an empty string. Cannot bind parameter 'Date' to the target Cannot convert 'System.Object[]' to the type 'System.Nullable'1[System.Boolean\' required by parameter 'Enabled' Cannot convert system.object to the type system collection idictio...
Add completion single/double quote support for -Noun parameter for Get-Command (#24977) (Thanks @ArmaanMcleod!) Stringify ErrorRecord with empty exception message to empty string (#24949) (Thanks @MatejKafka!) Add completion single/double quote support for -PSEdition parameter for Get-Module (...
before then. Likewise, suppose you set the parameter value to 1, thinking that you’ll show the notice for just 1 millisecond and then take it away. That’s not going to work, either: Windows will make sure that the notice is displayed for the minimum-allowed time before disposing of ...
Verify that a password is set on the workgroup-based computer. If a password is not set or the password value is empty, you cannot run remote commands. Use theCredentialparameter in all remote commands. This is required even when you connect as the current user. ...
public string Parameter1; [Parameter(Mandatory = true, ValueFromPipeline = true)] public string InputObject; protected override void ProcessRecord() { if ( Parameter1 != null ) { WriteObject(Parameter1 + ":" + InputObject); } else { ...
请求服务器的部署需要 Windows Server 的 DSC 服务功能。 此功能是在 Windows Server 2012 中引入的,通过 Windows Management Framework (WMF) 的持续版本进行更新。 软件下载 除了从 Windows 更新安装最新内容,还有两个被视为用于部署 DSC 请求服务器的最佳做法的下载文件:Windows Management Framework 的最新版本,以...
If a parameter accepts a PSCredential object, Windows PowerShell supports several types of input, such as the following: EmptyIf you supply no input to a mandatory –credential parameter, Windows PowerShell prompts you for the user name and password. ...
Each of these represents different arguments at the call site. Each can be distinguished from the other inside the function unless the parameter type is[string]. For[string]parameters$nullalways gets converted to[string]::empty. This causes information to be lost between the call site and the ...