c# - Adding same extensions to multiple controls in winforms

Question

I want to add some extensions like move, resize,... to PictureBox, Label, Panel like this:

public class LiveControl: PictureBox
{
    private Point cur = new Point(0, 0);
    public LiveControl()
    {
        ResizeRedraw = true;
        MouseDown += (s, e) => { cur = new Point(e.X, e.Y); };
        MouseMove += (s, e) => {
            if (e.Button == MouseButtons.Left)
            {
                Control x = (Control)s;
                x.SuspendLayout();
                x.Location = new Point(x.Left + e.X - cur.X, x.Top + e.Y - cur.Y);
                x.ResumeLayout();
            }
        };
    }
    protected override void OnPaint(PaintEventArgs e)
    {
        base.OnPaint(e);
        var rc = new Rectangle(this.ClientSize.Width - grab, this.ClientSize.Height - grab, grab, grab);
        ControlPaint.DrawSizeGrip(e.Graphics, this.BackColor, rc);
    }
    protected override void WndProc(ref Message m)
    {
        base.WndProc(ref m);
        if (m.Msg == 0x84)
        {  
            var pos = this.PointToClient(new Point(m.LParam.ToInt32() & 0xffff, m.LParam.ToInt32() >> 16));
            if (pos.X >= this.ClientSize.Width - grab && pos.Y >= this.ClientSize.Height - grab)
                m.Result = new IntPtr(17);  
        }
    }
    private const int grab = 16;
}

Is there anyway that I write it like a class and inherit it for all of them, or should I write 3 separate classes like the one I have written for the PictureBox?

Answer 1

I think using T4 Text Templates can solve your problem. If you are not familiar with, these links may be useful: 1. Code Generation and T4 Text Templates 2. Design-Time Code Generation by using T4 Text Templates