Obtener el nombre de una clase de una ventana de un proceso pasando el identificador de ventana en hexadecimal desde PowerShell (PowerShell, C, Automatización)

$MethodDefinition = @'
        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
        public static extern int GetWindowText(IntPtr hWnd, string strText, int maxCount);

        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
        public static extern int GetWindowTextLength(IntPtr hWnd);

        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
        public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);

        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
        public static extern int GetClassName(IntPtr hWnd, string lpClassName, int nMaxCount);

        // Delegate to filter which windows to include.  Required by EnumWindows()
        public delegate bool EnumWindowsProc(IntPtr hwnd, System.Collections.ArrayList lParam);

        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
        [return: MarshalAs(UnmanagedType.Bool)]
        public static extern bool EnumWindows(EnumWindowsProc lpEnumFunc, System.Collections.ArrayList lParam);
            
        // These two functions are in C# because I can't figure out how to use the .NET API callback functionality via PowerShell
        public static System.Collections.ArrayList GetWindows()
        {
            System.Collections.ArrayList windowHandles = new System.Collections.ArrayList();
            EnumWindowsProc callBackPtr = GetWindowHandle;
            EnumWindows(callBackPtr, windowHandles);

            return windowHandles;
        }

        private static bool GetWindowHandle(IntPtr hwnd, System.Collections.ArrayList windowHandles)
        {
            windowHandles.Add(hwnd);
            return true;
        }
'@

Add-Type -MemberDefinition $MethodDefinition -Name 'ShowHideWindow' -Namespace 'User32' | Out-Null

$hwnds = [User32.ShowHideWindow]::GetWindows()

#  Quick method to create a string of ~290 characters
[String]$tempString = (0..100)
$stringLength = $tempString.Length
[System.Collections.ArrayList]$Windows = @()

$ClassNameLength = [User32.ShowHideWindow]::GetClassName([uint32]"0x0001043E", $tempString, $stringLength)
$ClassName = $tempString.Substring(0,$ClassNameLength)
$ClassName

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