@echo off
setlocal
title Auto Screenshot Saver

set "APPDIR=%LOCALAPPDATA%\AutoScreenshotSaver"
set "PSFILE=%APPDIR%\AutoScreenshotSaver.ps1"

if not exist "%APPDIR%" mkdir "%APPDIR%" >nul 2>&1

> "%PSFILE%" echo Add-Type -AssemblyName System.Windows.Forms
>>"%PSFILE%" echo Add-Type -AssemblyName System.Drawing
>>"%PSFILE%" echo.
>>"%PSFILE%" echo Add-Type @"
>>"%PSFILE%" echo using System;
>>"%PSFILE%" echo using System.Runtime.InteropServices;
>>"%PSFILE%" echo public class ClipboardMonitor {
>>"%PSFILE%" echo     [DllImport("user32.dll")]
>>"%PSFILE%" echo     public static extern uint GetClipboardSequenceNumber();
>>"%PSFILE%" echo }
>>"%PSFILE%" echo "@
>>"%PSFILE%" echo.
>>"%PSFILE%" echo $createdNew = $false
>>"%PSFILE%" echo $mutex = New-Object System.Threading.Mutex($true, "Local\AutoScreenshotSaver_Rajesh", [ref]$createdNew)
>>"%PSFILE%" echo if (-not $createdNew) { exit }
>>"%PSFILE%" echo.
>>"%PSFILE%" echo $pictures = [Environment]::GetFolderPath("MyPictures")
>>"%PSFILE%" echo if ([string]::IsNullOrWhiteSpace($pictures)) { $pictures = Join-Path $env:USERPROFILE "Pictures" }
>>"%PSFILE%" echo $saveFolder = Join-Path $pictures "Snapshots"
>>"%PSFILE%" echo if (-not (Test-Path $saveFolder)) { New-Item -ItemType Directory -Path $saveFolder -Force ^| Out-Null }
>>"%PSFILE%" echo.
>>"%PSFILE%" echo $lastSequence = [ClipboardMonitor]::GetClipboardSequenceNumber()
>>"%PSFILE%" echo.
>>"%PSFILE%" echo try {
>>"%PSFILE%" echo     while ($true) {
>>"%PSFILE%" echo         Start-Sleep -Milliseconds 300
>>"%PSFILE%" echo         $currentSequence = [ClipboardMonitor]::GetClipboardSequenceNumber()
>>"%PSFILE%" echo         if ($currentSequence -ne $lastSequence) {
>>"%PSFILE%" echo             $lastSequence = $currentSequence
>>"%PSFILE%" echo             $saved = $false
>>"%PSFILE%" echo             for ($i = 0; $i -lt 6 -and -not $saved; $i++) {
>>"%PSFILE%" echo                 try {
>>"%PSFILE%" echo                     if ([System.Windows.Forms.Clipboard]::ContainsImage()) {
>>"%PSFILE%" echo                         $image = [System.Windows.Forms.Clipboard]::GetImage()
>>"%PSFILE%" echo                         if ($null -ne $image) {
>>"%PSFILE%" echo                             $stamp = Get-Date -Format "yyyy-MM-dd_HH-mm-ss-fff"
>>"%PSFILE%" echo                             $path = Join-Path $saveFolder ("Snapshot_" + $stamp + ".png")
>>"%PSFILE%" echo                             $image.Save($path, [System.Drawing.Imaging.ImageFormat]::Png)
>>"%PSFILE%" echo                             $image.Dispose()
>>"%PSFILE%" echo                             $saved = $true
>>"%PSFILE%" echo                         }
>>"%PSFILE%" echo                     }
>>"%PSFILE%" echo                 } catch {
>>"%PSFILE%" echo                     Start-Sleep -Milliseconds 150
>>"%PSFILE%" echo                 }
>>"%PSFILE%" echo             }
>>"%PSFILE%" echo         }
>>"%PSFILE%" echo     }
>>"%PSFILE%" echo } finally {
>>"%PSFILE%" echo     if ($mutex) {
>>"%PSFILE%" echo         try { $mutex.ReleaseMutex() } catch {}
>>"%PSFILE%" echo         $mutex.Dispose()
>>"%PSFILE%" echo     }
>>"%PSFILE%" echo }

start "" powershell.exe -NoProfile -STA -WindowStyle Hidden -ExecutionPolicy Bypass -File "%PSFILE%"

timeout /t 1 /nobreak >nul
echo.
echo ==========================================================
echo   Auto Screenshot Saver started
echo ==========================================================
echo.
echo   Press:  WIN + SHIFT + S
echo   Select the area you want.
echo.
echo   Screenshots will be saved automatically to:
echo   %USERPROFILE%\Pictures\Snapshots
echo.
echo   This window can now be closed.
echo ==========================================================
echo.
pause
endlocal