Guard Update-ReplicationUI calls

certy.ps1

@@ -679,6 +679,15 @@ function Update-OutputTypeUI {
     }
 }
 
+function Update-ReplicationUI {
+    $enabled = $replicationEnabledBox.Checked
+    $replicationTargetsBox.Enabled = $enabled
+    $replicationFromSelectedBtn.Enabled = $enabled
+    $primaryFromSelectedBtn.Enabled = $enabled
+    $replicationCmdBox.Enabled = $enabled
+    $dnsListBox.Enabled = $enabled
+}
+
 $loadedDefaults = Load-Defaults
 if ($loadedDefaults) {
     if ($loadedDefaults.DefaultZone) { $zoneBox.Text = $loadedDefaults.DefaultZone }
@@ -702,7 +711,7 @@ if ($loadedDefaults) {
     if ($loadedDefaults.OutputType) { $outputTypeBox.SelectedItem = $loadedDefaults.OutputType }
     if (-not $outputTypeBox.SelectedItem) { $outputTypeBox.SelectedIndex = 0 }
     Update-OutputTypeUI
-    Update-ReplicationUI
+    if (Test-Path function:Update-ReplicationUI) { Update-ReplicationUI }
     & $logAction "Defaults loaded from $(Get-DefaultsPath)."
 }
 
@@ -747,15 +756,6 @@ function Apply-Layout {
     $saveDefaultsBtn.Left = $clearBtn.Left + $clearBtn.Width + $buttonGap
 }
 
-function Update-ReplicationUI {
-    $enabled = $replicationEnabledBox.Checked
-    $replicationTargetsBox.Enabled = $enabled
-    $replicationFromSelectedBtn.Enabled = $enabled
-    $primaryFromSelectedBtn.Enabled = $enabled
-    $replicationCmdBox.Enabled = $enabled
-    $dnsListBox.Enabled = $enabled
-}
-
 $browseBtn.Add_Click({
     $dialog = New-Object System.Windows.Forms.OpenFileDialog
     $dialog.Filter = "Text/CSV files (*.txt;*.csv)|*.txt;*.csv|All files (*.*)|*.*"
@@ -773,7 +773,7 @@ $browseBtn.Add_Click({
 })
 
 $replicationEnabledBox.Add_CheckedChanged({
-    Update-ReplicationUI
+    if (Test-Path function:Update-ReplicationUI) { Update-ReplicationUI }
 })
 
 $filePreviewBtn.Add_Click({