專門用來儲存字串的泛型堆疊類型,可能會寫入為 Stack[string]。 一種專門儲存 int 索引鍵及其相關字串值的泛型字典類型,可能會表示為 Dictionary[int,string]。 字串堆疊可能會寫入為 Stack[Stack[string]]。雖然PowerShell 未定義任何內建泛型類型,但如果主機環境提供這類類型,就可以使用這類類型。 請參閱 中的...
: "The given key 'nosuchkey' was not present in the dictionary."成員存取列舉從PowerShell 3.0 開始,當您使用成員存取運算符存取清單集合上不存在的成員時,PowerShell 會自動列舉集合中的專案,並嘗試存取每個專案上的指定成員。 如需詳細資訊,請參閱 about_Member-Access_Enumeration。
可以从属性和属性值的哈希表创建对象。 语法如下所示: 复制 [<class-name>]@{ <property-name>=<property-value> <property-name>=<property-value> } 此方法仅适用于具有无参数构造函数的类。 对象属性必须是公共且可设置的。 PowerShell 版本 3.0 中添加了此功能 ...
PS> $PSDefaultParameterValues Name Value --- --- Get-WinEvent:LogName Microsoft-Windows-PrintService/Operational Get-*:Verbose True Send-MailMessage:SmtpServer ServerXYZ 可以暂时禁用,然后重新启用$PSDefaultParameterValues。$PSDefaultParameterValues如果运行的脚本需要不同的默认参数值,则禁用会很有...
The script blocks run in the caller's scope. Therefore, the blocks have access to variables in that scope and can create new variables that persist in that scope after the cmdlet completes. Operation statement. You can also write an operation statement, which is much more like natural language...
about_Member-Access_Enumeration about_Methods about_Modules about_Module_Manifests about_Numeric_Literals about_Objects about_Object_Creation about_Operators about_Operator_Precedence about_Output_Streams about_PackageManagement about_Parameters about_Parameters_Default_Values about_Parameter_Binding about_Paramet...
Running this in parallel is almost twice as fast as running sequentially, because it involves some relatively slow disk access and can also take advantage of the machine multiple cores as it processes the log entries. When should it be avoided? ForEach-Object -Parallel should not be thought ...
role-based-access-control server-health-and-performance sharing-and-collaboration unified-messaging users-and-groups Show 25 more Exchange PowerShell is built on Windows PowerShell technology and provides a powerful command-line interface that enables automation of administrative tasks. The followin...
role-based-access-control server-health-and-performance sharing-and-collaboration unified-messaging users-and-groups Show 25 more Exchange PowerShell is built on Windows PowerShell technology and provides a powerful command-line interface that enables automation of administrative tasks. The followin...
Also, loading a default$env:PATHvalue is broken inLoadEnvironmentVariable(), because key access iscase-sensitiveand the variable name is mistakenly tested for with all-uppercase namePATH: PowerShell/src/Microsoft.PowerShell.Commands.Management/commands/management/Process.cs ...