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;
using System.Drawing.Drawing2D;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
        Brush mybrush = new SolidBrush(Color.FromArgb(127, 255, 255, 255));
        private void label1_Paint(object sender, PaintEventArgs e)
        {
            Graphics g = e.Graphics;
            g.FillRectangle(mybrush,e.ClipRectangle);
            //オマケ
            //g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
            //LinearGradientBrush lgb = new LinearGradientBrush(e.ClipRectangle,Color.Red,Color.Blue,0.0f);
            //g.FillRectangle(lgb, e.ClipRectangle);
        }
    }
}