参数不得为非类型化,参数的类型不能为[scriptblock]或[Object]。 如果使用延迟绑定脚本块而不提供管道输入,则会收到错误。 PowerShell Rename-Item-NewName{$_.Name +".old"} Output Rename-Item : Cannot evaluate parameter 'NewName' because its argument is specified as a script block and there is no...
可以在管道中的每个对象或选定对象执行操作的命令中使用此变量$ARGSRepresents an array of the undeclared parameters and/orparametervalues that are passed to a function, script, or script block.$CONSOLEFILENAMERepresents the path of the console file (.psc1) that was most recently usedinthe session.$...
延遲系結腳本區塊會在ParameterBinding期間自動執行。 結果會系結至 參數。 延遲系結不適用於定義為 類型ScriptBlock或System.Object的參數,腳本區塊會傳遞而不叫用。 您可以在這裡閱讀延遲系結腳本區塊about_Script_Blocks.md 接受通配符 此設定指出參數的值是否可以包含通配符,以便參數值可以比對目標容器中的多個現有專...
private string _name = "PowerShellIsolatedStore"; /// <summary>name of store</summary> [Alias("Filename")] [Parameter] public string Name { get { return _name; } set { _name = value; } } Common ParametersWindows PowerShell reserves a few parameter names, referred to as Common parame...
PS C:\Users\vol_20120330> get-help get-command-parameter * -ArgumentList<Object[]>获取 cmdlet 或函数在与指定的参数(如path)一起使用时的信息。ArgumentList 的别名为 Args。 要检测在 cmdlet 与特定的提供程序一起使用时添加到 cmdlet 中的参数,请将 ArgumentList 的值设置为提供程序驱动器中的一条路径...
类型:SwitchParameter Position:Named 默认值:True 必需:False 接受管道输入:False 接受通配符:False -ViModeChangeHandler ViModeIndicator设置为Script时,每次模式更改时都会调用提供的脚本块。 脚本块提供ViMode类型的一个参数。 此参数是在 PowerShell 7 中引入的。
Add -ExcludeModule parameter to Get-Command (#18955) (Thanks @MartinGC94!) Update Named and Statement block type inference to not consider AssignmentStatements and Increment/decrement operators as part of their output (#21137) (Thanks @MartinGC94!) Update DnsNameList for X509Certificate2 to use...
ScriptBlock Cannot use Set-Acl properly despite being file owner and being a member of Administrators Group. Cannot validate argument on parameter 'Name'. The argument is null or empty. Provide an argument that is not null or empty, and then try the command again. CannotConnect,PSSessionState...
Note: A mandatory [switch] parameter is an edge case, given that switches are usually optional. However, mandatory [bool] parameters are affected as well, as are [hashtable]-and [scriptblock]-typed ones. The value entered by the user is ...
$scriptBlock = { param($firstNamedArgument, [int] $secondNamedArgument = 0) ## We could use $args here, as well "First named scriptblock argument is: $firstNamedArgument" "Second named scriptblock argument is: $secondNamedArgument"