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

namespace WindowsFormsApplication2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void PB1_Click(object sender, EventArgs e)
        {

        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void Form1_KeyDown(object sender, KeyEventArgs e)
        {
            e.Handled = true;
            switch (e.KeyCode)
           {
                case Keys.Up:
                    PB1.Top -= 5;
                    break;
                case Keys.Down:
                    PB1.Top += 5;
                    break;
                case Keys.Left:
                    PB1.Left -= 5;
                    break;
                case Keys.Right:
                    PB1.Left += 5;
                    break;
                default:
                    break;



            }
            if (PB1.Top <= 0)
                PB1.Top = 0;
            if (PB1.Top >= this.Height-68)
                PB1.Top = this.Height-68;
            if (PB1.Left <= 0)
                PB1.Left = 0;
            if (PB1.Left >= this.Width-42)
                PB1.Left = this.Width-42;

        }

        private void Form1_MouseDown(object sender, MouseEventArgs e)
        {

        }

        private void Form1_MouseMove(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                if (e.X <= 0) return;
                if (e.Y <= 0) return;
                if (e.X >= this.Width -PB1.Width) return;
                if (e.Y >= this.Height - PB1.Height) return;
                PB1.Left = e.X;
                PB1.Top = e.Y;
            }
        }
    }
}