Public/event.ps1
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using namespace System.Collections.Generic using namespace System.Reflection using namespace System.Reflection.Emit function event { param( [Parameter(Mandatory = $true, Position = 0)] [string]$TypeName, [Parameter(Mandatory = $true, Position = 1)] [Alias('Name')] [string]$EventName, [Parameter(Mandatory = $false, Position = 2)] [string]$Option ) Assert-Legislator -MemberType event try{ $handlerType = [Type]$TypeName } catch { throw [Exception]::new('Unrecognized type name', $_) return } $eventBuilder = $Legislator.DefineEvent($EventName, [EventAttributes]::None, $handlerType); $eventMethodAttributes = @( 'Public', 'HideBySig', 'SpecialName', 'Abstract', 'Virtual', 'NewSlot' ) -as [MethodAttributes] $addMethod = . method -TypeName:'void' -Name:"add_$EventName" -Attributes:$eventMethodAttributes -ParameterTypes @( $HandlerType ) -PassThru:$true $addMethod.DefineParameter(1, [ParameterAttributes]::None, 'value') $eventBuilder.SetAddOnMethod($addMethod) $removeMethod = . method -TypeName:'void' -Name:"remove_$EventName" -Attributes:$eventMethodAttributes -ParameterTypes @( $HandlerType ) -PassThru:$true $removeMethod.DefineParameter(1, [ParameterAttributes]::None, 'value') $eventBuilder.SetRemoveOnMethod($removeMethod) } |