In our previous tip we looked at [ArgumentCompleter] and how this attribute can add clever code to parameters that provides auto-completion values for your arguments. AutoCompletion can do even more: you can submit different values for the IntelliSense menu, and for the actual completion.
Check this code:
function Get-OU { param( [Parameter(Mandatory)] [ArgumentCompleter({ [Management.Automation.CompletionResult]::new("'OU=managers,DC=company,DC=local'", "Management", "ProviderItem", "OU where the Management lives") [Management.Automation.CompletionResult]::new("'OU=subtest,OU=test,DC=company,DC=local'", "Experimental", "DynamicKeyword", "Reserved") [Management.Automation.CompletionResult]::new("'OU=External,OU=IT,DC=company,DC=local'", "Help Desk", "ProviderItem", "OU where the Helpdesk people reside") })] [string] $OU ) "Chosen path: $OU" }
The completer code basically just creates three new CompletionResult objects. Each one takes four arguments:
- Completion Text
- Text shown in IntelliSense menu
- Icon for IntelliSense menu
- Tooltip for IntelliSense menu
You can even control the icon displayed in the IntelliSense menu. These are the predefined icons:
PS> [Enum]::GetNames([System.Management.Automation.CompletionResultType]) Text History Command ProviderItem ProviderContainer Property Method ParameterName ParameterValue Variable Namespace Type Keyword DynamicKeyword
When you run this code and then call Get-OU, you can press TAB to complete through the OU X500 paths, or you can press CTRL+SPACE to open the IntelliSense menu. Inside the menu, you see the chosen icons and the friendly text. Once you select an item, the X500 completion text is used.
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