throw如果在沒有表達式的catch區塊中使用 關鍵詞,則會再次擲回目前的 RuntimeException。 如需詳細資訊,請參閱 about_Try_Catch_Finally。 擲回字串 語句中的 throw 選擇性運算式可以是字串,如下列範例所示: PowerShell 複製 throw "This is an error." Output 複製 Exception: This is an error. 擲回其...
Steps to reproduce Run in elevated PowerShell prompt: Get-Service -Name msquic If not run in an elevated prompt, no object is returned in PS6/7, and only the exception is shown. In PS5, the object is returned and there is no exception. E...
catch { Write-Log $PSItem.ToString() throw } 我们想要重新引发异常,以保留原始执行信息,如源脚本和行号。 如果此时引发新异常,它将隐藏异常开始的位置。重新引发新异常如果捕获到一个异常,但想要引发另一个异常,则应将原始异常嵌套在新异常内。 这样一来,堆栈下游的人就可以将其作为 $PSItem.Exception.Inner...
throw[System.IO.FileNotFoundException]::new()throw[System.IO.FileNotFoundException]::new("Could not find path:$path") 如果您未使用PowerShell 5.0或更高版本,則必須使用較舊的New-Object方法。 PowerShell throw(New-Object-TypeNameSystem.IO.FileNotFoundException )throw(New-Object-TypeNameSystem.IO.Fi...
object newItemValue) { string tableName; int rowNumber; PathType pt = GetNamesFromPath(path, out tableName, out rowNumber); if (pt == PathType.Invalid) { ThrowTerminatingInvalidPathException(path); } // Check if type is either "table" or "row", if not throw an // exception if (...
. Specifically, calls that formerly used Marshal.SizeOf(Type) may now call Marshal.SizeOf<T>(T), and calls that used Marshal.PtrToStructure(IntPtr, Type) may now call Marshal.PtrToStructure<T>(IntPt...
PS C:\PowerShell> Remove-Item mossfly.com -ErrorAction "Stop"; Write-Host "工作完成" ObjectNotFound: (C:\PowerShell\mossfly.com:String) [Remove-Item], ItemNotFoundException PS C:\PowerShell> 每次执行命令都去设定ErrorAction那也忒麻烦了。有没有全局的设置呢,那就是$ErrorActionPreference,...
The method takes as an argument an instance of an ErrorRecord, which allows you to include more than just the exception (the cause of the error).You really shouldn't throw an exception in a cmdlet. Instead, ThrowTerminatingError allows you to stop the execution of the pipeline and provide...
The method takes as an argument an instance of an ErrorRecord, which allows you to include more than just the exception (the cause of the error).You really shouldn't throw an exception in a cmdlet. Instead, ThrowTerminatingError allows you to stop the execution of the pipeline and provide...
we cannot specifically catch the different exceptions that the cmdlet might throw. This is a feature of PowerShell and applies to any non-terminating error, regardless of the ErrorActionPreference and cannot be changed. Still, we can deal with other terminating exceptions, such as an out of mem...