Smooth Drag [WinForms]

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace smoothdrag
{
    public partial class Form1 : Form
    {
        private Point mouseDownPoint = Point.Empty;
        private Point targetLocation = Point.Empty;
        private Timer moveTimer = new Timer();
        public Form1()
        {
            InitializeComponent();
            this.DoubleBuffered = true;
            this.SetStyle(ControlStyles.ResizeRedraw, true);

            moveTimer.Interval = 10;
            moveTimer.Tick += MoveTimer_Tick;
        }

        private void panel1_MouseDown(object sender, MouseEventArgs e)
        {
            {
                if (e.Button == MouseButtons.Left)
                {
                    mouseDownPoint = e.Location;
                    targetLocation = this.Location;
                    moveTimer.Start();
                }
            }
        }

        private void panel1_MouseMove(object sender, MouseEventArgs e)
        {
            {
                if (e.Button == MouseButtons.Left)
                {
                    targetLocation = new Point(this.Location.X + e.X - mouseDownPoint.X, this.Location.Y + e.Y - mouseDownPoint.Y);
                }
            }

        }

        private void panel1_MouseUp(object sender, MouseEventArgs e)
        {
            {
                if (e.Button == MouseButtons.Left)
                {
                    moveTimer.Stop();
                }
            }
        }

        private void MoveTimer_Tick(object sender, EventArgs e)
        {
            int dx = (targetLocation.X - this.Location.X) / 10;
            int dy = (targetLocation.Y - this.Location.Y) / 10;
            this.Location = new Point(this.Location.X + dx, this.Location.Y + dy);
        }
    }
}

GITHUB

Showcase: 

https://cdn.discordapp.com/attachments/967085236015992842/1137411251404812438/2023-08-05_17-37-05.mp4