For Each name As String In processNames '/ The second parameter of this call tells PowerShell to enumerate the '/ array, and send one process at a time to the pipeline. WriteObject(Process.GetProcessesByName(name), True) Next End Sub 'ProcessRecord 代码示例 有关完整的 C# 示...
如果你的变量是 $null,并且尝试按数组的方式对其建立索引,则会出现 System.Management.Automation.RuntimeException 异常,并显示消息 Cannot index into a null array。PowerShell 复制 PS> $empty = $null PS> $empty[0] Error: Cannot index into a null array. 因此,在尝试访问数组中的元素之前,请确保数组...
Output Copy 0 To display the third element in the $a array, type:PowerShell Copy $a[2] Output Copy 2 You can retrieve part of the array using a range operator for the index. For example, to retrieve the second to fifth elements of the array, you would type:PowerShell Copy ...
Here is the exact output in the screenshot below: ReadSplit an Array into Smaller Arrays in PowerShell PowerShell Loop Through Array of Strings To loop through an array of strings in PowerShell, you can use theforeachloop. Theforeachloop allows you to iterate over each element in the arra...
Output 複製 The green cat. 若要刪除變數的值,請使用 Clear-Variable Cmdlet 或將值變更為 $null。 PowerShell 複製 Clear-Variable -Name MyVariable PowerShell 複製 $MyVariable = $null 若要刪除變數,請使用 Remove-Variable 或Remove-Item。 PowerShell 複製 Remove-Variable -Name MyVariable ...
Append(value + "\n"); } //Writes characters to the screen buffer. Does not append a carriage return. public override void Write(string value) { _sb.Append(value); } //由WriteDebug(String)调用,向用户显示调试消息。 public override void WriteDebugLine(string message) { _sb.AppendLine("...
From there we set the TopMost property; this ensures that when we show the form the form will appear on top of any other windows on the screen: Copy $objForm.Topmost = $True And then we use these two lines of code to actually bring up our calendar: Copy $objForm.Add_Shown({$...
NoEcho. This prevents any information from appearing on screen when the user presses a key. If you leave out this parameter the pressed key will be echoed back to the screen. IncludeKeyDown. This tells the script to continue as soon as a key has been pressed; that means the script will...
Expression { Get-Service -Name bits -ComputerName 2012r2-ms | Stop-Service -PassThru } -PSHost -FilePath c:\pshell\labs_9\Stop-Service-PBv1.0.logHere, the-PSHostswitch parameter tells us to display the results on the screen and -FilePath is used to specify a ...
To set a function breakpoint, hover over the BREAKPOINTS section title bar, click the+button, typeWrite-Output, and then press Enter as shown in the following screenshot. Setting a break point, image Remove the line breakpoint that we set earlier on the line that executes the Start-Sleep ...