Get-Help $HOME\Documents\Scripts\Get-Function.ps1 Cmdlet Get-Help 會傳回命令的各種詳細數據,包括描述、命令語法、參數的相關信息,以及示範如何在命令中使用參數的範例。 您也可以使用 Cmdlet 的 Get-Help Parameter 參數來尋找特定參數的相關信息。 或者,您可以使用 Parameter 參數搭配通配符 ( *) 值來尋找...
Start with theTest-MrParameterfunction that was used in the previous section. PowerShell functionTest-MrParameter{param($ComputerName)Write-Output$ComputerName} There are a couple of different ways to see the common parameters. One is by viewing the syntax withGet-Command. ...
function Invoke-MyFunction { param ( [string] $Name, [switch] $P1, [switch] $P2 ) # how many $Pn parameters were specified in the call to the function? $count = @( $PSBoundParameters.GetEnumerator() | where-object { $_.Key.StartsWith("P") } ).Length; # if *none* specified t...
To provide a help string that describes the default value (100) of the Size parameter in the Get-SmallFiles function, add the PSDefaultValue attribute as shown in the following example. PowerShell Copy function Get-SmallFiles { param ( [PSDefaultValue(Help = '100')] $Size = 100 ) Get-...
Summary: Learn about the default parameter values in Windows PowerShell. How can I find more about default parameter values in Windows PowerShell? Use theGet-Helpcmdlet and search for*defaultParameter*. The following command returns a list of Help topics that provide this information: ...
functionTest-MrParameterValidation { [CmdletBinding()]param( [Parameter(Mandatory)] [string[]]$ComputerName) Write-Output$ComputerName} 如果需要指定一个默认参数需要将ValidateNotNullOrEmpty参数验证属性与默认值一起使用,不过不能与必需(Mandatory)参数一起使用!
functionGet-User{ [CmdletBinding(DefaultParameterSetName="ID")] [OutputType("System.Int32", ParameterSetName="ID")] [OutputType([String], ParameterSetName="Name")]Param( [parameter(Mandatory=$true, ParameterSetName="ID")] [Int[]]$UserID, [parameter(Mandatory=...
about_Function_Provider about_Group_Policy_Settings about_Hash_Tables about_Hidden about_History about_If about_Intrinsic_Members about_Jobs about_Job_Details about_Join about_Language_Keywords about_Language_Modes about_Line_Editing about_Locations ...
Fix semver issue with updating cgmanifest (#24132) Add ability to capture MSBuild Binary logs when restore fails (#24128) add ability to skip windows stage (#24116) chore: Refactor Nuget package source creation to use New-NugetPackageSource function (#24104) Make Microsoft feeds the defaul...
To find the default parameter value, see help topic for the cmdlet. The parameter description should include the default value. You can also set a custom default value for any parameter of a cmdlet or advanced function. For information about setting custom default values, seeabout_Parameters_Def...