using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Interop;
using System.Windows;

namespace LiveTools
{
    public class CustomWindow : Window
    {
        public CustomWindow()
        {
            WindowStyle = WindowStyle.None;
        }

        protected override void OnSourceInitialized(EventArgs e)
        {
            base.OnSourceInitialized(e);
            WindowInteropHelper helper = new WindowInteropHelper(this);
            SetWindowLong(helper.Handle, GWL_STYLE, GetWindowLong(helper.Handle, GWL_STYLE) & ~WS_SYSMENU);
        }

        internal const int GWL_STYLE = -16;
        internal const int WS_SYSMENU = 0x80000;
        [DllImport("user32.dll")]
        internal static extern int GetWindowLong(IntPtr hwnd, int index);
        [DllImport("user32.dll")]
        internal static extern int SetWindowLong(IntPtr hwnd, int index, int newStyle);
    }
}