LabelPlus.PicView.PicView_Draging_MouseDown C# (CSharp) Method

        void PicView_Draging_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == System.Windows.Forms.MouseButtons.Left)
            {
                draging = true;
                draging_mosuestartpoint = e.Location;
                draging_beforeStartP = startP;
                alreadyDraged = false;
            }
        }