Buton Sürükleme

        private int x = 0;
        private int y = 0;
        public Form1()
        {
            InitializeComponent();
        }
        private void button1_MouseDown(object sender, MouseEventArgs e)
        {
            x = e.X;
            y = e.Y;
        }
        private void button1_MouseMove(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                button1.Left = (button1.Left + e.X) - x;
                button1.Top = (button1.Top +e.Y)-y;
            }

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