ValidateNotNullAttribute 例子 ValidateNotNullOrEmptyAttribute 例子,注意@()为一个空数组。
param( [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [string[]]$UserName ) ValidateNotNullOrWhiteSpace validation attribute The ValidateNotNullOrWhiteSpace attribute specifies that the assigned value can't be any of the following values: $null an empty string ("") an empty arra...
Find a empty and not empty value in 2 lines in 2 columns at the same time Find AD users with blank (empty or null) DisplayName Find all files within a folder that has been modified in X Days find all users start menu "startup" folder find and remove similar file Find and replace a...
Windows PowerShell Tip: Finding All the Empty Folders in a Directory Tree Windows PowerShell Tip: Formatting Numbers and Dates Using the CultureInfo Object Windows PowerShell Tip: Getting Information About the Logged-On User Windows PowerShell Tip: Getting Rid of a COM Object (Once and For A...
VT_EMPTY和VT_NULL是该数组的无效基本类型。所有其他类型都是合法的。 //cDims //数组中的维数。创建阵列后不能更改该数字。 //rgsabound //为数组分配的边界向量(每个维度一个)。 //递增数组的锁计数,并将指向数组数据的指针放在数组描述符的pvData中 SafeArrayLock(arr); //memcpy指的是C和C ++使用的...
0, indicating the index number of our default option. In this case, we wantYesto be the default option, so we pass PromptForChoice the value0; that’s becauseYesis the first item in our array of menu options. (And the first item in an array always has the index number 0.) What ...
That’s because there are some outside factors that come into play here. For example, the operating system imposes minimum and maximum values when it comes to displaying items in the notification area; typically a notice must remain onscreen for at least 10 seconds but no more than 30 second...
Also, whenSimpleMatchis used, theMatchesproperty of theMatchInfoobject returned is empty. Note When this parameter is used with theAllMatchesparameter, theAllMatchesis ignored. Type:SwitchParameter Position:Named Default value:False Required:False ...
[AllowEmptyCollection] [AllowEmptyString] [AllowNull] [ArgumentCompleter] [ArgumentCompletions] [array] [bigint] [bool] [byte] [char] [cimclass] [cimconverter] [ciminstance] [CimSession] [cimtype] [CmdletBinding] [cultureinfo] [datetime] [decimal] [double] [DscLocalConfigurationManager] [DscProp...
array(); // // activation code, you can leave it empty for demo version, but keep in // mind that there are many limitations in demo version) // $options["code"] = ""; // // API command to execute // // "encrypt" - encrypt input string or file bytes, returns array of: /...