$PSDefaultParameterValues.Add('Get-Process:Name','PowerShell') 前面示例中创建的哈希表被更新为包含新的键值对。 PowerShell PS>$PSDefaultParameterValuesName Value --- ---Get-Process:Name PowerShellGet-WinEvent:LogNameMicrosoft-Windows-PrintService/Operational Get-*:Verbose TrueSend-MailMessa...
false -Name <String[]> Specifies the service names for the service to be started. The parameter name is optional. You can use Name or its alias, ServiceName, or you can omit the parameter name. Required? true Position? 0 Default value None Accept pipeline input? True (ByPropertyName, By...
param( [Parameter(Argument=value)] $ParameterName ) 使用逗号分隔括号中的参数。 使用以下语法声明 Parameter 属性的两个参数。PowerShell 复制 param( [Parameter(Argument1=value1, Argument2=value2)] $ParameterName ) 从Parameter 属性中省略时,Parameter 属性的布尔参数类型默认为 False。 将参...
The default value of the parameter is the value that's used if the parameter isn't specified on the command line. Note that the default value is optional, and isn't needed for some parameters, such as required parameters. However, you should specify a default value for most optional ...
-ErrorAction:SilentlyContinue parameter is not being respected & $error variable not updated -ExpandProperty & Export CSV !!! powershell script to add a word in the beginning of the text file - URGENT !!! 'A positional parameter cannot be found that accepts argument '$null'. 'Name' Attribu...
Optional parameters have a default value, which is the value that is used or assumed when the parameter is not specified in the command. For example, the default value of theComputerNameparameter of many cmdlets is the name of the local computer. As a result, the local computer name is us...
Type:SwitchParameter Aliases:cf Position:Named Default value:False Required:False Accept pipeline input:False Accept wildcard characters:False -ExecutionPolicy 指定执行策略。 如果没有组策略,并且每个范围的执行策略都设置为Undefined,则Restricted将成为所有用户的有效策略。
In the following example, the UserName parameter is the unique parameter of the Test01 parameter set, and the ComputerName parameter is the unique parameter of the Test02 parameter set. The SharedParam parameter belongs to both sets and is mandatory for the Test01 parameter set but optional for...
Write-Output$PSDefaultParameterValues.'baz:ErrorAction' Update an Element An update has the same options as a fetch; either way, just assign a new value to that key in the hash. Option 1: 1 2 $PSDefaultParameterValues['*-PsSession:ComputerName'] ...
public string Parameter1; [Parameter(Mandatory = true, ValueFromPipeline = true)] public string InputObject; protected override void ProcessRecord() { if ( Parameter1 != null ) { WriteObject(Parameter1 + ":" + InputObject); } else { ...