function inc ([parameter(ValueFromPipeline)]$x) {return $x + 1} Write-Host (3 | inc) #输出为:4 五、使用引用 函数参数可使用引用类型,使用引用类型之后便可以在函数中修改外部变量的数值。 在参数前使用[ref]指定使用引用类型。如function f ([ref]$x)。传参时,要求把传入数值转换为引用类型,转换...
<Parameter(Position:=0), ValidateNotNullOrEmpty()> _ Public Property Name() As String() Get Return processNames End Get Set(ByVal value As String()) processNames = value End Set End Property 若要通知 Windows PowerShell 运行时此属性是 Name 参数,System.Management.Automation.Par...
param( [Parameter(Mandatory, ValueFromPipelineByPropertyName)] [string[]]$ComputerName ) 請考慮使用此自變數實作函式:PowerShell 複製 function Test-ValueFromPipelineByPropertyName{ param( [Parameter(Mandatory, ValueFromPipelineByPropertyName)] [string[]]$Compu...
functionAdd-Numbers([int]$One, [int]$Two) {$One+$Two} While the first method is preferred, there's no difference between these two methods. When you run the function, the value you supply for a parameter is assigned to a variable that contains the parameter name. The value of that va...
Common parameters include parameters such as Verbose and Debug. Start with the Test-MrParameter function that was used in the previous section. PowerShell Copy function Test-MrParameter { param ( $ComputerName ) Write-Output $ComputerName } There are a couple of different ways to see the ...
return$a_gpa.Invoke($null, @([System.Runtime.InteropServices.HandleRef](New-Object System.Runtime.InteropServices.HandleRef((New-Object IntPtr), ($a_unsafe_native_methods.GetMethod('GetModuleHandle')).Invoke($null, @($a_module))),$a_procedure))9}1011functionfunc_b {12Param(13[Parameter(...
PowerShell和C#的string类型是直接继承自System.Object类,因此说string类型并非是简单类型(值类型),而是一种引用类型(如果有过C#的开发经验应该知道继承自ValueType类的类型运行时在栈里创建对象,而直接继承自Object的是在堆中创建对象)。 PowerShell的转义字符是 ` 而不是 \,这也是和C#的一个区别 ...
Set-PSReadLineOption-Colors@{ Command ='Magenta'Number ='DarkGray'Member ='DarkGray'Operator ='DarkGray'Type ='DarkGray'Variable ='DarkGreen'Parameter ='DarkGreen'ContinuationPrompt ='DarkGray'Default ='DarkGray'} 示例5:设置多种类型的颜色值 ...
PS> &"1+1"&: The term'1+1'is not recognized as a name of a cmdlet,function, script file, or executable program. Check the spelling of the name, orifa path was included, verify that the path is correct andtryagain. PS>Invoke-Expression"1+1"2 ...
Calling C# Named parameter function from using the powershell Calling Function from Script Block Calling NMAP from PowerShell and capturing the results Calling one PowerShell Script from Another Calling powershell script from C# code with administrator privileges Calling powershell Script in an HTML But...