WPF 多线程处理(5)

• WPF 多线程处理(1)
• WPF 多线程处理(2)
• WPF 多线程处理(3)
• WPF 多线程处理(4)
• WPF 多线程处理(5)
• WPF 多线程处理(6)

项目的目录：

以下是FileStroage的三个类：
分别是FileHelper,FileInfos,Win32

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace Automatically.FileStroage
{
    public class FileHelper
    {
        public static FileInfos GetFileInfo(string path)
        {
            var fileInfos = new FileInfos();
            FileInfo fi = new FileInfo(path);
            fileInfos.Icon = Win32.GetIcon(path, true);
            fileInfos.Name = fi.Name;
            fileInfos.Path = fi.FullName;
            fileInfos.Size = fi.Length;
            return fileInfos;
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;

namespace Automatically.FileStroage
{
    public class FileInfos
    {
        public Icon Icon { get; set; }

        public string Name { get; set; }

        public string Path { get; set; }

        public long Size { get; set; }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.Drawing;

namespace Automatically.FileStroage
{
    public class Win32
    {
        [DllImport("Shell32.dll")]
        private static extern int SHGetFileInfo
        (
            string   pszPath,
            uint   dwFileAttributes,
            out   SHFILEINFO   psfi,
            uint   cbfileInfo,
            SHGFI   uFlags
        );   

       [StructLayout(LayoutKind.Sequential)]
       private   struct  SHFILEINFO
       {
            public   SHFILEINFO(bool   b)
            {
                hIcon=IntPtr.Zero;iIcon=;dwAttributes=;szDisplayName="";szTypeName="";
            }
            public   IntPtr   hIcon;
            public   int   iIcon;
            public   uint   dwAttributes;
            [MarshalAs(UnmanagedType.LPStr,   SizeConst=)]
            public   string   szDisplayName;
            [MarshalAs(UnmanagedType.LPStr,   SizeConst=)]
            public   string   szTypeName;
       };

       private Win32()
       {
       }   

       private   enum   SHGFI
       {
            SmallIcon       =   0x00000001,
            LargeIcon       =   0x00000000,
            Icon         =   0x00000100,
            DisplayName       =   0x00000200,
            Typename       =   0x00000400,
            SysIconIndex     =   0x00004000,
            UseFileAttributes   =   0x00000010
       }   

       public  static  Icon GetIcon(string   strPath,   bool   bSmall)
       {
            SHFILEINFO   info   =   new   SHFILEINFO(true);
            int   cbFileInfo   =   Marshal.SizeOf(info);
            SHGFI   flags;
            if   (bSmall)
              flags   =   SHGFI.Icon|SHGFI.SmallIcon|SHGFI.UseFileAttributes;
            else
              flags   =   SHGFI.Icon|SHGFI.LargeIcon|SHGFI.UseFileAttributes;   

            SHGetFileInfo(strPath,   ,   out   info,(uint)cbFileInfo,   flags);
            return   Icon.FromHandle(info.hIcon);
       }
    }
}

下一篇：WPF 多线程处理(6)

上一篇：WPF 多线程处理(4)