more fixes

Get-UserLogonActivity.ps1

@@ -599,9 +599,18 @@ Function Get-UniqueUserLogonActivity {
 Function Write-UserLogonActivityOutput {
     Param(
         [AllowNull()]
-        [object[]]$ActivityEvents
+        [object[]]$ActivityEvents,
+
+        [Parameter(Mandatory=$true)]
+        [DateTimeOffset]$StartDateTime,
+
+        [Parameter(Mandatory=$true)]
+        [DateTimeOffset]$EndDateTime
     )
 
+    Write-Output "Search window: $($StartDateTime.LocalDateTime.ToString('yyyy-MM-dd HH:mm:ss')) through $($EndDateTime.LocalDateTime.ToString('yyyy-MM-dd HH:mm:ss'))"
+    Write-Output ''
+
     $Rows = @($ActivityEvents | Select-Object Date,Time,User,Activity,Source,Details)
 
     If ($Rows.Count -eq 0) {
@@ -852,7 +861,7 @@ ForEach ($PowerFilter in $PowerFilters) {
 }
 
 $OutputEvents = @(Get-UniqueUserLogonActivity -ActivityEvents $ActivityEvents | Sort-Object -Property TimeCreated)
-Write-UserLogonActivityOutput -ActivityEvents $OutputEvents
+Write-UserLogonActivityOutput -ActivityEvents $OutputEvents -StartDateTime $StartDateTime -EndDateTime $EndDateTime
 Try {
     Write-PossibleUseWindowOutput -ActivityEvents $OutputEvents
 }