FrmTest.cs

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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.Collections;
using System.Runtime.InteropServices;
using System.Diagnostics;


namespace ColorStatistics
{
    public partial class FrmTest : Form
    {
        public FrmTest()
        {
            InitializeComponent();
        }

        List<Statistics.MajorColor> MC;
        int PixelAmount = 0;

        private void CmdOpen_Click(object sender, EventArgs e)
        {
            OpenFileDialog openFileDialog = new OpenFileDialog();
            openFileDialog.FilterIndex = 4;
            openFileDialog.RestoreDirectory = true;
            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                Thumb.Image =  (Bitmap)Bitmap.FromFile(openFileDialog.FileName);
              
            }
        }
        public static Color IntToColor(int color)
        {
            int R = color & 255;
            int G = (color & 65280) / 256;
            int B = (color & 16711680) / 65536;
            return Color.FromArgb(255, R, G, B);
        }

        private void PicR_Click(object sender, EventArgs e)
        {

        }

        private void PicR_Paint(object sender, PaintEventArgs e)
        {
            if (MC != null)
            {
                e.Graphics.Clear(PicR.BackColor);
                Font font = new Font("宋体", 9f);
                SolidBrush B = new SolidBrush(Color.Black);
                e.Graphics.DrawString("      颜色        ", font, B, new PointF(0, 0));
                e.Graphics.DrawString("     百分比      ", font, B, new PointF(120, 0));
                e.Graphics.DrawString("数量", font, B, new PointF(250, 0));
                B.Dispose();