lyfz_repos/铂金版源码/LYFZ.ComponentLibrary/frmCommonIconView.cs

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;

namespace LYFZ.ComponentLibrary
{
    public partial class frmCommonIconView : LYFZ.ComponentLibrary.BaseContentsFormMain
    {
        public frmCommonIconView()
        {
            InitializeComponent();
            this.Load += frmCommonIconView_Load;
            this.Shown += frmCommonIconView_Shown;
            this.listView1.ItemSelectionChanged += listView1_ItemSelectionChanged;
            this.btnSave.Click += btnSave_Click;
        }

        void btnSave_Click(object sender, EventArgs e)
        {
            this.DialogResult = System.Windows.Forms.DialogResult.OK;
        }

        void listView1_ItemSelectionChanged(object sender, ListViewItemSelectionChangedEventArgs e)
        {
            if (e.Item != null && e.IsSelected)
            {
                this.picICO.Image = this.listView1.LargeImageList.Images[e.Item.ImageIndex];
                this.SelectIconPath = e.Item.Tag.ToString();
            }
        }
        string _SelectIconPath = "";
        /// <summary>
        /// 当前选择图标路径
        /// </summary>
        public string SelectIconPath
        {
            get { return _SelectIconPath; }
            set { _SelectIconPath = value; }
        }
        //创建一个委托，是为访问DataGridVie控件服务的。
        public delegate void UpdateControl();
        /// <summary>
        /// 显示相片集合
        /// </summary>
      static  ImageList ICOImgeList = new ImageList();
        /// <summary>
        /// 系统图标目录路径
        /// </summary>
      static string sysTempHeadImagePath = LYFZ.WinAPI.CustomPublicMethod.GetFullDirectoryPath(LYFZ.WinAPI.CustomPublicMethod.BasePath) + "Resources\\快捷工具图标\\";
        public static string GetDefaultIconPath()
        {
            return sysTempHeadImagePath + "other\\question.png";
        }
        void frmCommonIconView_Shown(object sender, EventArgs e)
        {
            if (ICOImge != null)
            {
                this.picICO.Image = ICOImge;
            }
           
            if (System.IO.Directory.Exists(sysTempHeadImagePath))
            {
                string[] sysTempHeadImageFiles = System.IO.Directory.GetFiles(sysTempHeadImagePath, "*.png", System.IO.SearchOption.AllDirectories);
                if (ICOImgeList.Images.Count <= 0)
                {
                    ICOImgeList.Images.Clear();
                    ICOImgeList.ColorDepth = ColorDepth.Depth32Bit;
                    ICOImgeList.ImageSize = new Size(64, 64);

                    
                    LYFZ.ComponentLibrary.FrmLoadHandling.LoadDoWorkMethod(delegate(object obj, BackgroundWorker backgroundWorker)
                    {
                        backgroundWorker.ReportProgress(0, "正在加载图标...");
                        foreach (string imagePath in sysTempHeadImageFiles)
                        {
                            Image smallImage = GetNewBitmap(imagePath);
                            ICOImgeList.Images.Add(imagePath, smallImage);
                        }
                    });
                }
                    int count = 0;
                    foreach (string imagePath in sysTempHeadImageFiles)
                    {
                        string PhotoName = "ICO_" + count.ToString().PadLeft(3, '0');
                        ListViewItem lvi = new ListViewItem();
                        lvi.Name = PhotoName;
                        lvi.ImageIndex = 0;
                        lvi.Text = PhotoName;
                        lvi.Tag = imagePath;
                        lvi.ToolTipText = lvi.Text;
                        this.listView1.Items.Add(lvi);
                        count++;
                    }
                
               


            }
            this.listView1.LargeImageList = ICOImgeList;
            this.listView1.View = View.LargeIcon;
            this.listView1.Sorting = SortOrder.Ascending;
            this.listView1.Sort();
            RefreshShowPhotoImageList();

        }
        void frmCommonIconView_Load(object sender, EventArgs e)
        {
           
        }
        /// <summary>
        /// 刷新图片列表缩略图显示
        /// </summary>
        /// <param name=""></param>
        void RefreshShowPhotoImageList()
        {

            for (int i = 0; i < this.listView1.Items.Count; i++)
            {
               // if (this.listView1.Items[i].ImageIndex == 0)
                //{
                    if (this.listView1.Items[i].Tag != null)
                    {
                        string lvpPhotoName = this.listView1.Items[i].Tag.ToString();
                        if (this.listView1.LargeImageList.Images.ContainsKey(lvpPhotoName.ToLower()))
                        {
                            this.listView1.Items[i].ImageIndex = this.listView1.LargeImageList.Images.IndexOfKey(lvpPhotoName.ToLower());
                        }
                        if (!string.IsNullOrEmpty(this.SelectIconPath.Trim()))
                        {
                            if (this.listView1.LargeImageList.Images.ContainsKey(this.SelectIconPath.ToLower()))
                            {
                                this.picICO.Image = this.listView1.LargeImageList.Images[this.listView1.LargeImageList.Images.IndexOfKey(this.SelectIconPath.ToLower())];
                            }
                        }
                    }
               // }
            }


        }
        /// <summary>
        /// 通过图片对像返回新图片但不占用文件
        /// </summary>
        /// <param name="_imgFilePath">image对象在返时被释放</param>
        /// <returns></returns>
        public static Bitmap GetNewBitmap(string _imgFilePath)
        {
            Image image = new Bitmap(_imgFilePath);

            try
            {
                return new Bitmap(image);

            }
            catch
            {
                return new Bitmap(1, 1);
            }
            finally
            {
                if (image != null)
                {
                    image.Dispose();
                }
            }
        }
        System.Drawing.Image _ICOImge = null;
        /// <summary>
        /// 图标
        /// </summary>
        public System.Drawing.Image ICOImge
        {
            get { return _ICOImge; }
            set { _ICOImge = value; }
        }
    }
}