param( [Parameter(Argument1=value1, Argument2=value2)] $ParameterName ) 從Parameter 屬性省略時,Parameter 屬性的布爾自變數類型預設為 False。 將自變數值設定為 $true 或只依名稱列出自變數。 例如,下列 Parameter 屬性相等。 PowerShell 複製 param( [Parameter(Mandatory=$true)] ) # ...
ParameterSets 实例属性(只读) 实现定义的集合 有关与 cmdlet 关联的参数集的信息。 动词 实例属性(只读) 字符串 cmdlet 的动词名称。 PSSnapIn 实例属性(只读) 实现定义的 Windows PowerShell:有关用于注册 cmdlet 的 Windows PowerShell 插件的信息。 在PowerShell 中,此类型是 System.Management.Automation.Cmdlet...
The test should pass. Actual behavior All tests except the ones with syntax form -foo:$true fail: Expected $true, but got @('.../test.ps1 : Cannot process argument transformation on parameter 'foo'. Cannot convert value "System.String" to type "System.Boolean". Boolean parameters accept ...
You can also assign aBooleanvalue to a switch when you run the function, as shown in the following example: PowerShell Switch-Item-On:$true Output Switch on PowerShell Switch-Item-On:$false Output Switch off Use splatting to pass parameter values ...
public string Parameter1; [Parameter(Mandatory = true, ValueFromPipeline = true)] public string InputObject; protected override void ProcessRecord() { if ( Parameter1 != null ) { WriteObject(Parameter1 + ":" + InputObject); } else { ...
类型:SwitchParameter Position:Named 默认值:None 必需:False 接受管道输入:False 接受通配符:False 输入 PSObject 可以通过管道将对象传递给此 cmdlet。 输出 PSObject 此cmdlet 仅返回具有所选属性的输入对象。 备注 PowerShell 包含以下Select-Object别名:
Cannotprocessargument transformation on parameter'Bar'.Cannot convert value"System.String"to type"System.Boolean".Boolean parameters accept only Boolean values and numbers,such as$True,$False,1or0.#[switch] parameter currently ONLY accept $True or $FalsePS>function Foo {param( [Parameter(Mandatory)...
Whenever possible, use switch parameters in place of Boolean parameters. Consider the following sample. By default, several Windows PowerShell cmdlets do not pass an output object down the pipeline. However, these cmdlets have a PassThru switch parameter that overrides the default behavior. If the...
Boolean\' required by parameter 'Enabled' Cannot convert system.object to the type system collection idictionary Cannot convert the "System.Collections.ArrayList" Cannot convert the value of type "System.TimeSpan" to type "System.DateTime". Cannot convert value to type System.Xml.XmlDocument Cannot...
Boolean When you use theQuietparameter, this cmdlet returns aBooleanvalue indicating whether the pattern was found. String When you use theRawparameter, this cmdlet returns a set ofStringobjects that match the pattern. Notes PowerShell includes the following aliases forSelect-String: ...