using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace laserPTZ
{
    public partial class MTransparentFrom : Form
    {

        public MTransparentFrom()
        {
            InitializeComponent();

            init();

            DrawRectangle();
        }


        private void init()
        {
            this.BackColor = Color.Black;
            this.TransparencyKey = Color.Black;
            this.ShowInTaskbar = false;

        }
        protected override void OnPaint(PaintEventArgs e)
        {
            this.DrawRectangle();
            
        }

    

        public void DrawRectangle()
        {
        
            Graphics dc = this.CreateGraphics();
            // 绿色
            Pen pen = new Pen(Color.FromArgb(233, 33, 33),4);
            dc.DrawLine(pen, 0, 0, 0, 20);
            dc.DrawLine(pen, 0, 0, 20, 0);
            dc.DrawLine(pen, 100, 100, 80, 100);
            dc.DrawLine(pen, 100, 100, 100, 80);

            dc.DrawLine(pen, 0, 100, 0, 80);
            dc.DrawLine(pen, 0, 100, 20, 100);
            dc.DrawLine(pen, 100, 0, 100, 20);
            dc.DrawLine(pen, 100, 0, 80, 0);
        
            //dc.DrawRectangle(pen, 0, 0, 100, 100);
            dc.Dispose();
        }


    }
}