用户控件拖动和移动

Question

我正在尝试创建一个用户控件，将其拖放到图片框中。

现在，我在网上找到的一些班级的帮助下设法做到了。但是我注意到，当光标位于透明区域时，我可以拖动和移动用户控件，但是当我单击其中的对象时，不能拖动和移动用户控件？还有其他方法吗？

ControlMover.cs

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

namespace GridSnap
{
    class ControlMover
    {
        public enum Direction
        {
            Any,
            Horizontal,
            Vertical
        }

        public static void Init(Control control)
        {
            Init(control, Direction.Any);
        }

        public static void Init(Control control, Direction direction)
        {
            Init(control, control, direction);
        }

        public static void Init(Control control, Control container, Direction direction)
        {
            bool Dragging = false;
            Point DragStart = Point.Empty;
            control.MouseDown += delegate (object sender, MouseEventArgs e)
            {
                Dragging = true;
                DragStart = new Point(e.X, e.Y);
                control.Capture = true;
            };
            control.MouseUp += delegate (object sender, MouseEventArgs e)
            {
                Dragging = false;
                control.Capture = false;
            };
            control.MouseMove += delegate (object sender, MouseEventArgs e)
            {
                if (Dragging)
                {
                    if (direction != Direction.Vertical)
                        container.Left = Math.Max(0, e.X + container.Left - DragStart.X);
                    if (direction != Direction.Horizontal)
                        container.Top = Math.Max(0, e.Y + container.Top - DragStart.Y);
                }

            };
        }
    }
}

Gate.cs（用户控制）

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

namespace GridSnap
{
    public partial class Gates : UserControl
    {

        public Gates()
        {
            InitializeComponent();


            GridSnap.ControlMover.Init(this,ControlMover.Direction.Any);
        }


        private void pictureBox1_Click(object sender, EventArgs e)
        {

        }

        private void Gates_Load(object sender, EventArgs e)
        {

        }

    }

}