using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace FPJ0000
{
    public partial class GantChart : Control
    {
        public GantChart()
        {
            InitializeComponent();

            // Set Optimized Double Buffer to reduce flickering
            this.SetStyle(ControlStyles.UserPaint, true);
            this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
            this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
            this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);

            // Redraw when resized
            this.SetStyle(ControlStyles.ResizeRedraw, true);
            this.Resize += arLabel_Resize;

        }
        protected override void OnPaint(PaintEventArgs e)
        {
            //base.OnPaint(e);

            //Set Optimized Double Buffer to reduce flickering
            e.Graphics.CompositingQuality = CompositingQuality.HighQuality;
            e.Graphics.InterpolationMode = InterpolationMode.High;
            e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;

            e.Graphics.FillRectangle(new SolidBrush(this.BackColor), DisplayRectangle);
        }

        void arLabel_Resize(object sender, EventArgs e)
        {
            Invalidate();
        }
    }
}