PowerShell 複製 get-help registry USETRANSACTION 參數可支援交易的 Cmdlet 具有 UseTransaction 參數。 此參數會在使用中交易中包含 命令。 您可以使用完整參數名稱或其別名 「usetx」。只有在會話包含使用中交易時,才能使用 參數。 如果您在沒有使用中交易時,使用UseTransaction 參數輸入命令,則命令會失敗。
We then check to see if the registry key exists. If it does, we create a variable named $swv and set it equal to $null. We then print out another debug message: Copy "Stop" { Write-Debug "Stopping Timer" If(Test-Path -path $path) { $swv = $null Write-Debug "$path was ...
When usingNew-Itemwith the-Forceswitch to create registry keys, the command will behave the same as when overwriting a file. If the registry key already exists, the key and all properties and values will be overwritten with an empty registry key. ...
Check if Email address exists in Office 365 and if exists, Create a Unique Email address Check if event log source exists for non admins Check if file created today and not 0 KB Check if HyperThreading is enabled Check if IIS running on a remote server check if object is $null Check i...
ItemExistsDynamicParameters(String) Gives the provider an opportunity to attach additional parameters to the test-path cmdlet. (Inherited fromItemCmdletProvider) MakePath(String, String, Boolean) Joins two strings with a path a provider specific path separator. ...
Basically, data is only available to the current user or the assembly in which the code exists (it can also be isolated by domain).When using IsolatedStorage in these examples, I will be saving a key/value pair as strings. IsolatedStorage can store any type of data you need, but I'm ...
似乎所有的条件语句都使用if...else...，它的作用可以简单地概括为非此即彼，满足条件A则执行A的语句，否则执行B语句，python的if...else...功能更加强大，在if和else之间添加数个elif,有更多的条件选择，其表达式如下:
If the value of the $ConfirmPreference variable is None, PowerShell never automatically prompts you before running a cmdlet or function.To change the confirming behavior for all cmdlets and functions in the session, change $ConfirmPreference variable's value....
And it works with the registry as well, albeit only with registry keys and not with the actual values contained in those keys:Copy Test-Path "HKCU:\Software\Microsoft\Driver Signing" Very nice. But Test-Path can do more than simply tell you whether or not a given item exists. For ...
Setting the default value for the key The previous examples do not set the default value for the newly created registry key. If the registry key already exists (as it does in this specific case), use theSet-Itemcmdlet to assign a default value to the registry key as follows. ...