您也可以為 Cmdlet 或進階函式的任何參數設定自定義預設值。 如需設定自定義預設值的相關信息,請參閱about_Parameters_Default_Values。 參數屬性數據表 當您使用 Cmdlet 的Full、Parameter或Get-Help參數時,Get-Help會顯示參數屬性數據表,其中包含參數的詳細資訊。
此属性用于 script-parameter,允许将 $null 作为不支持隐式转换的强制参数的参数。 请考虑函数调用 Test,它具有以下参数块,调用方式如下: PowerShell 复制 param ( [parameter(Mandatory = $true)] [AllowNull()] [int[]] $Values ) Test 10, 20, 30 # $values has Length 3, values 10, 20, 30 Tes...
ScriptsNotAllowed:此 runspace 不支持语法。 这可能是因为它处于无语言模式。 查找会话配置的语言模式 使用会话配置文件创建会话配置时,会话配置具有LanguageMode属性。 可以通过获取LanguageMode属性的值来查找语言模式。 PowerShell复制 (Get-PSSessionConfiguration-NameTest).LanguageMode FullLanguage ...
$PSDefaultParameterValues.Add("Get-Process:Name","PowerShell") 以下语法实现相同的结果。 PowerShell复制 $PSDefaultParameterValues["Get-Process:Name"]="PowerShell" 变量$PSDefaultParameterValues显示更新的哈希表。 已Get-Process:Name添加密钥。
Example 16: Capture connection statistics via -StatisticsVariable parameter PowerShell Copy Import-Module SQLServer Invoke-Sqlcmd -ServerInstance localhost -StatisticsVariable stats ` -Query 'CREATE TABLE #Table (ID int); INSERT INTO #Table VALUES(1), (2); INSERT INTO #Table VALUES(3); SELECT...
Use the following example to set the startup type of the WinRM service toAutomaticand start the service. TheComputerNameparameter accepts multiple values. PowerShell $invokeCimMethodSplat= @{ ComputerName ='Server01','Server02'Query ='Select * From Win32_Service Where Name = "WinRM"...
This parameter allows you to specify the tye of item to create with New-Item The available values of this parameter depend on the current provider you are using. In a FileSystem drive, the following values are allowed: - File - Directory ...
The time period used for this limit is specified by the PowerShellMaxCmdletsTimePeriod parameter. We recommend that you set values for both parameters at the same time. Expand table Type: UInt32 Position: Named Default value: None Required: False Accept pipeline input: False Accept wildcard ...
This is a function namedGiveMeConnectionSource. It takes the connection string as a parameter. The function attempts to establish a connection to the database using a loop that allows for a maximum of 5 connection attempts. Inside the loop, it tries to open the S...
Cmdlet parameters that convert string input to types work only when the resulting type is an allowed type. The ToString() method and the .NET methods of allowed types can be invoked. Users can get all properties of allowed types. Users can set the values of properties only on allowed types...