public/HandlesEvent.ps1
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<# .SYNOPSIS Adds an event handler to a control .DESCRIPTION Adds an event handler to a control .PARAMETER EventName The name of the event to be handled (without On) .PARAMETER Action The action to be executed when the event is triggered .PARAMETER Control The control that the event is for .EXAMPLE $w=Window { TextBox Fred -property @{MinWidth=50} CheckBox Barney | HandlesEvent Checked {$Fred.Text=$fred.Text.ToUpper()} } -ShowForValue #> function HandlesEvent { [CmdletBinding()] Param([String]$EventName, [ScriptBlock]$Action, [Parameter(ValueFromPipeline = $true)]$Control) process { $control."Add_$EventName"($Action) $control } } |