Gets the process that locks the clipboard (i.e. openened but didn't close it)

process_locking_clipboard

using System;
using System.Runtime.InteropServices;
using System.Diagnostics;

namespace ConsoleApplication1
{
    public class Program
    {
        [DllImport("user32.dll")]
        static extern IntPtr GetOpenClipboardWindow();

        [DllImport("user32.dll", SetLastError = true)]
        static extern int GetWindowThreadProcessId(IntPtr hWnd, out int
        lpdwProcessId);

        public static void Main(string[] args)
        {
            IntPtr hwnd = GetOpenClipboardWindow();
            if (hwnd != IntPtr.Zero)
            {
                int processId;
                GetWindowThreadProcessId(hwnd, out processId);
                Process p = Process.GetProcessById(processId);
                Console.WriteLine(p.Modules[0].FileName);
            }
            Console.ReadLine();
        }
    }
}