expand ui and fix clean and reset

functions/private/Invoke-WinUtilISO.ps1

@@ -376,6 +376,7 @@ function Invoke-WinUtilISOModify {
             # the UI thread here.
             $sync["WPFWin11ISOOutputSection"].Dispatcher.Invoke([action]{
                 $sync["WPFWin11ISOOutputSection"].Visibility = "Visible"
+                $sync["WPFWin11ISOStatusLog"].Height = 300
             })
         }
         catch {
@@ -480,12 +481,13 @@ function Invoke-WinUtilISOCheckExistingWork {
     $sync["WPFWin11ISOMountSection"].Visibility  = "Collapsed"
     $sync["WPFWin11ISOModifySection"].Visibility = "Collapsed"
     $sync["WPFWin11ISOOutputSection"].Visibility = "Visible"
+    $sync["WPFWin11ISOStatusLog"].Height = 300
 
     # Notify via the status log
     $dirName  = $existingWorkDir.Name
     $modified = $existingWorkDir.LastWriteTime.ToString("yyyy-MM-dd HH:mm")
     Write-Win11ISOLog "Existing working directory found: $($existingWorkDir.FullName)"
-    Write-Win11ISOLog "Last modified: $modified  —  Skipping Steps 1-3 and resuming at Step 4."
+    Write-Win11ISOLog "Last modified: $modified - Skipping Steps 1-3 and resuming at Step 4."
     Write-Win11ISOLog "Click 'Clean & Reset' if you want to start over with a new ISO."
 
     [System.Windows.MessageBox]::Show(
@@ -498,6 +500,8 @@ function Invoke-WinUtilISOCleanAndReset {
     .SYNOPSIS
         Deletes the temporary working directory created during ISO modification
         and resets the entire ISO UI back to its initial state (Step 1 only).
+        Deletion runs in a background runspace so the UI stays responsive and
+        progress is reported to the user.
     #>
 
     $workDir = $sync["Win11ISOWorkDir"]
@@ -507,17 +511,86 @@ function Invoke-WinUtilISOCleanAndReset {
             "This will delete the temporary working directory:`n`n$workDir`n`nAnd reset the interface back to the start.`n`nContinue?",
             "Clean & Reset", "YesNo", "Warning")
         if ($confirm -ne "Yes") { return }
+    }
+
+    # Disable button so it cannot be clicked twice
+    $sync["WPFWin11ISOCleanResetButton"].IsEnabled = $false
+
+    $runspace = [Management.Automation.Runspaces.RunspaceFactory]::CreateRunspace()
+    $runspace.ApartmentState = "STA"
+    $runspace.ThreadOptions  = "ReuseThread"
+    $runspace.Open()
+    $runspace.SessionStateProxy.SetVariable("sync",    $sync)
+    $runspace.SessionStateProxy.SetVariable("workDir", $workDir)
+
+    $script = [Management.Automation.PowerShell]::Create()
+    $script.Runspace = $runspace
+    $script.AddScript({
+
+        function Log($msg) {
+            $ts = (Get-Date).ToString("HH:mm:ss")
+            $sync["WPFWin11ISOStatusLog"].Dispatcher.Invoke([action]{
+                $sync["WPFWin11ISOStatusLog"].Text += "`n[$ts] $msg"
+                $sync["WPFWin11ISOStatusLog"].CaretIndex = $sync["WPFWin11ISOStatusLog"].Text.Length
+                $sync["WPFWin11ISOStatusLog"].ScrollToEnd()
+            })
+        }
+        function SetProgress($label, $pct) {
+            $sync["WPFWin11ISOStatusLog"].Dispatcher.Invoke([action]{
+                $sync.progressBarTextBlock.Text    = $label
+                $sync.progressBarTextBlock.ToolTip = $label
+                $sync.ProgressBar.Value            = [Math]::Max($pct, 5)
+            })
+        }
 
         try {
-            Write-Win11ISOLog "Deleting temp directory: $workDir"
+            if ($workDir -and (Test-Path $workDir)) {
-            Remove-Item -Path $workDir -Recurse -Force -ErrorAction Stop
+                Log "Scanning files to delete in: $workDir"
-            Write-Win11ISOLog "Temp directory deleted."
+                SetProgress "Scanning files..." 5
-        } catch {
+
-            Write-Win11ISOLog "WARNING: could not fully delete temp directory: $_"
+                $allItems  = @(Get-ChildItem -Path $workDir -Recurse -Force -ErrorAction SilentlyContinue)
-        }
+                $total     = $allItems.Count
+                $deleted   = 0
+
+                Log "Found $total items to delete."
+
+                # Delete files first, then directories (deepest first)
+                $files = $allItems | Where-Object { -not $_.PSIsContainer }
+                $dirs  = $allItems | Where-Object {   $_.PSIsContainer   } |
+                         Sort-Object { $_.FullName.Length } -Descending
+
+                foreach ($f in $files) {
+                    try { Remove-Item -Path $f.FullName -Force -ErrorAction Stop } catch {}
+                    $deleted++
+                    $pct = [math]::Round(($deleted / [Math]::Max($total,1)) * 85) + 5
+                    SetProgress "Deleting files... ($deleted / $total)" $pct
                 }
 
-    # Clear all stored ISO state
+                foreach ($d in $dirs) {
+                    try { Remove-Item -Path $d.FullName -Force -Recurse -ErrorAction Stop } catch {}
+                    $deleted++
+                    $pct = [math]::Round(($deleted / [Math]::Max($total,1)) * 85) + 5
+                    SetProgress "Removing directories... ($deleted / $total)" $pct
+                }
+
+                # Remove the root work directory itself
+                try { Remove-Item -Path $workDir -Force -Recurse -ErrorAction Stop } catch {}
+
+                if (Test-Path $workDir) {
+                    Log "WARNING: some items could not be deleted in $workDir"
+                } else {
+                    Log "Temp directory deleted successfully."
+                }
+            } else {
+                Log "No temp directory found — resetting UI."
+            }
+
+            SetProgress "Resetting UI..." 95
+            Log "Resetting interface..."
+
+            # ── Full UI reset on the dispatcher thread ──────────────────────
+            $sync["WPFWin11ISOStatusLog"].Dispatcher.Invoke([action]{
+                # Clear stored state
                 $sync["Win11ISOWorkDir"]     = $null
                 $sync["Win11ISOContentsDir"] = $null
                 $sync["Win11ISOImagePath"]   = $null
@@ -526,7 +599,7 @@ function Invoke-WinUtilISOCleanAndReset {
                 $sync["Win11ISOImageInfo"]   = $null
                 $sync["Win11ISOUSBDisks"]    = $null
 
-    # Reset the UI to the initial state
+                # Reset UI elements
                 $sync["WPFWin11ISOPath"].Text                     = "No ISO selected..."
                 $sync["WPFWin11ISOFileInfo"].Visibility            = "Collapsed"
                 $sync["WPFWin11ISOVerifyResultPanel"].Visibility   = "Collapsed"
@@ -535,9 +608,29 @@ function Invoke-WinUtilISOCleanAndReset {
                 $sync["WPFWin11ISOModifySection"].Visibility       = "Collapsed"
                 $sync["WPFWin11ISOMountSection"].Visibility        = "Collapsed"
                 $sync["WPFWin11ISOSelectSection"].Visibility       = "Visible"
-    $sync["WPFWin11ISOStatusLog"].Text                 = "Ready. Please select a Windows 11 ISO to begin."
-    $sync["WPFWin11ISOStatusLog"].Height               = 140
                 $sync["WPFWin11ISOModifyButton"].IsEnabled         = $true
+                $sync["WPFWin11ISOCleanResetButton"].IsEnabled     = $true
+
+                $sync.progressBarTextBlock.Text    = ""
+                $sync.progressBarTextBlock.ToolTip = ""
+                $sync.ProgressBar.Value            = 0
+
+                $sync["WPFWin11ISOStatusLog"].Height = 140
+                $sync["WPFWin11ISOStatusLog"].Text   = "Ready. Please select a Windows 11 ISO to begin."
+            })
+        }
+        catch {
+            Log "ERROR during Clean & Reset: $_"
+            $sync["WPFWin11ISOStatusLog"].Dispatcher.Invoke([action]{
+                $sync.progressBarTextBlock.Text    = ""
+                $sync.progressBarTextBlock.ToolTip = ""
+                $sync.ProgressBar.Value            = 0
+                $sync["WPFWin11ISOCleanResetButton"].IsEnabled = $true
+            })
+        }
+    }) | Out-Null
+
+    $script.BeginInvoke() | Out-Null
 }
 
 function Invoke-WinUtilISOExport {

xaml/inputXML.xaml

@@ -1377,8 +1377,7 @@
                         <!-- ═══════════════════════════════════════════════════════════ -->
                         <!-- STEP 1 : Select Windows 11 ISO                             -->
                         <!-- ═══════════════════════════════════════════════════════════ -->
-                        <Border Grid.Row="0" Name="WPFWin11ISOSelectSection" Style="{StaticResource BorderStyle}" HorizontalAlignment="Left" MinWidth="{DynamicResource ButtonWidth}">
+                        <Grid Grid.Row="0" Name="WPFWin11ISOSelectSection" Margin="5" HorizontalAlignment="Left" MinWidth="{DynamicResource ButtonWidth}">
-                            <Grid Margin="5">
                                 <Grid.ColumnDefinitions>
                                     <ColumnDefinition Width="*"/>
                                     <ColumnDefinition Width="*"/>
@@ -1465,17 +1464,15 @@
                                     </StackPanel>
                                 </Border>
                         </Grid>
-                        </Border>
 
                         <!-- ═══════════════════════════════════════════════════════════ -->
                         <!-- STEP 2 : Mount & Verify ISO                                -->
                         <!-- ═══════════════════════════════════════════════════════════ -->
-                        <Border Grid.Row="1"
+                        <Grid Grid.Row="1"
                               Name="WPFWin11ISOMountSection"
-                                Style="{StaticResource BorderStyle}"
+                              Margin="5"
                               Visibility="Collapsed"
                               HorizontalAlignment="Left" MinWidth="{DynamicResource ButtonWidth}">
-                            <Grid Margin="5">
                                 <Grid.ColumnDefinitions>
                                     <ColumnDefinition Width="Auto"/>
                                     <ColumnDefinition Width="*"/>
@@ -1530,17 +1527,15 @@
                                     </StackPanel>
                                 </Border>
                         </Grid>
-                        </Border>
 
                         <!-- ═══════════════════════════════════════════════════════════ -->
                         <!-- STEP 3 : Modify install.wim                                -->
                         <!-- ═══════════════════════════════════════════════════════════ -->
-                        <Border Grid.Row="2"
+                        <StackPanel Grid.Row="2"
                                     Name="WPFWin11ISOModifySection"
-                                Style="{StaticResource BorderStyle}"
+                                    Margin="5"
                                     Visibility="Collapsed"
                                     HorizontalAlignment="Left" MinWidth="{DynamicResource ButtonWidth}">
-                            <StackPanel Margin="5">
                                 <TextBlock FontSize="{DynamicResource FontSize}" FontWeight="Bold"
                                            Foreground="{DynamicResource MainForegroundColor}" Margin="0,0,0,8">
                                     Step 3 - Modify install.wim
@@ -1559,17 +1554,15 @@
                                         Width="Auto" Padding="12,0"
                                         Height="{DynamicResource ButtonHeight}"/>
                         </StackPanel>
-                        </Border>
 
                         <!-- ═══════════════════════════════════════════════════════════ -->
                         <!-- STEP 4 : Output Options                                    -->
                         <!-- ═══════════════════════════════════════════════════════════ -->
-                        <Border Grid.Row="3"
+                        <StackPanel Grid.Row="3"
                                     Name="WPFWin11ISOOutputSection"
-                                Style="{StaticResource BorderStyle}"
+                                    Margin="5"
                                     Visibility="Collapsed"
                                     HorizontalAlignment="Left" MinWidth="{DynamicResource ButtonWidth}">
-                            <StackPanel Margin="5">
                                 <!-- Header row: title + Clean & Reset button -->
                                 <Grid Margin="0,0,0,12">
                                     <Grid.ColumnDefinitions>
@@ -1655,13 +1648,11 @@
                                 </Border>
 
                         </StackPanel>
-                        </Border>
 
                         <!-- ═══════════════════════════════════════════════════════════ -->
                         <!-- Status / Log Output                                        -->
                         <!-- ═══════════════════════════════════════════════════════════ -->
-                        <Border Grid.Row="4" Style="{StaticResource BorderStyle}">
+                        <StackPanel Grid.Row="4" Margin="5">
-                            <StackPanel>
                                 <TextBlock FontSize="{DynamicResource FontSize}" FontWeight="Bold"
                                            Foreground="{DynamicResource MainForegroundColor}" Margin="0,0,0,6">
                                     Status Log
@@ -1677,7 +1668,6 @@
                                          BorderThickness="1"
                                          Text="Ready. Please select a Windows 11 ISO to begin."/>
                             </StackPanel>
-                        </Border>
 
                     </Grid>
                 </ScrollViewer>