Drag Picture box inside a form

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C#

 class Sensor:PictureBox
    {  public Sensor():base()
        {
            this.Size = new System.Drawing.Size(50, 50);
            this.Location = new System.Drawing.Point(50, 50);
            this.BackColor = Color.Red;
        }
}

In Form1.cs

C#

Sensor sn = new Sensor();
       public Form1()
       {
           InitializeComponent();
           this.Controls.Add(sn)
       }

this is my class i want Drag this sensor on Form . the code of this should be in the class itself Is that possible ? any shortest method ?

Posted 14-Feb-14 3:58am

manuthebos

Updated 14-Feb-14 4:48am

v3

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Comments

BillWoodruff 14-Feb-14 10:52am

What have you tried so far ? Please show your code.

If you are just getting started on this, here's a hint: you will need to define MouseDown, MouseUp, and MouseMove EventHandlers for your PictureBox.

2 solutions

Solution 1

Please start here:
http://msdn.microsoft.com/en-us/library/ms171546%28v=vs.110%29.aspx[^],
http://msdn.microsoft.com/en-us/library/aa984430%28v=vs.71%29.aspx[^].

—SA

Posted 14-Feb-14 4:53am

Sergey Alexandrovich Kryukov

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manuthebos · Accepted Answer · 2014-02-14T07:29:00

C#

 class Sensor:PictureBox
    {
        private Point init_mouse, Curnt_mouse,init_loc;
        private bool IsDragable;
       
        public Sensor():base()
        {
            this.Size = new System.Drawing.Size(50, 50);
            this.Location = new System.Drawing.Point(50, 50);
            this.BackColor = Color.Red;
            this.MouseDown += new MouseEventHandler(Sensor_MouseDown);
            this.MouseUp += new MouseEventHandler(Sensor_MouseUp);
            this.MouseMove += new MouseEventHandler(Sensor_MouseMove);
            IsDragable = false;
           
        }

     
        void Sensor_MouseMove(object sender, MouseEventArgs e)
        {
            if (IsDragable)
            {
                Curnt_mouse = Cursor.Position;
                int dx = Curnt_mouse.X - init_mouse.X;
                int dy = Curnt_mouse.Y - init_mouse.Y;
                this.Location = new Point(init_loc.X + dx, init_loc.Y + dy);
            }
        }

        void Sensor_MouseUp(object sender, MouseEventArgs e)
        {
            IsDragable = false;
            
        }

        void Sensor_MouseDown(object sender, MouseEventArgs e)
        {
            IsDragable = true;
            init_mouse= Cursor.Position;
            init_loc = this.Location;
        }

    }
}

tried this and worked
if any better option please suggest.