Metis_xctg/AutoAnalysis/PreviewPure.cs

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

namespace Metis.AutoAnalysis
{
    public partial class PreviewPure : Form
    {
        private static PreviewPure _instacne;
        private static Button _switch;

        /// <summary>
        /// 启动预览
        /// </summary>
        /// <param name="swith">父窗口打开、关闭预览按钮</param>
        /// <returns></returns>
        public static PreviewPure StartPreiew(Button swith)
        {
            if (_instacne == null)
            {
                _instacne = new PreviewPure();
                swith.Click += Swith_Click;
                _instacne.FormClosing += (s, e) =>
                {
                    swith.Click -= Swith_Click;
                    swith.BackColor = SystemColors.Control;
                    _instacne = null;
                };
            }
            _instacne.Show();
            _instacne.Text = PdnResources.GetString("AutoAnalysis.Preview");
            swith.BackColor = Color.Lime;
            return _instacne;
        }

        private static void Swith_Click(object sender, EventArgs e)
        {
            _instacne.Close();
        }

        public PreviewPure()
        {
            InitializeComponent();
        }

        public static void ShowPrieview(Bitmap img)
        {
            if (_instacne == null)
                return;
            try
            {
                _instacne.pictureBox1.Image = (Image)img.Clone();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.StackTrace, ex.Message);
            }
        }

        public static void ShowImage(string file, string name)
        {
            try
            {
                var form = new PreviewPure();
                form.Text = name;
                form.pictureBox1.Image = new Bitmap(file);
                form.Show();
            }
            catch 
            { }
        }
    }
}