请问如何获取文件夹Icon？

Question

我定义了一个Icon对象，请问如何从系统中取得文件夹图标好赋值给这个对象？

Answer 1

javax.swing.filechooser.FileSystemView;FileSystemView fsv = FileSystemView.getFileSystemView();
Icon icon = fsv.getSystemIcon(new File("C:/windows"));

Answer 2

http://www.cnblogs.com/wdxinren/archive/2005/01/03/85655.html如果直接获打开某ICON文件，可以使用
System.Drawing.Icon icon = System.Drawing.Icon.ExtractAssociatedIcon( "文件名" );

Answer 3

sun.awt.shell.ShellFolder shellFolder=null;
try {
shellFolder = sun.awt.shell.ShellFolder.getShellFolder(file);
} catch (FileNotFoundException e1) {
e1.printStackTrace();
}
Icon icon=new ImageIcon(shellFolder.getIcon(true),shellFolder.getFolderType());//获取文件或目录图标

Answer 4

楼上的兄弟是不是JAVA的代码

Answer 5

good good study,day day up

Answer 6

   [StructLayout(LayoutKind.Sequential)]
        public struct SHFILEINFO
        {
            public IntPtr hIcon;
            public IntPtr iIcon;
            public uint dwAttributes;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
            public string szDisplayName;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 80)]
            public string szTypeName;
        }        /// <summary>   
        /// 返回系统设置的图标   
        /// </summary>   
        /// <param name="pszPath">文件路径 如果为"" 返回文件夹的</param>   
        /// <param name="dwFileAttributes">0</param>   
        /// <param name="psfi">结构体</param>   
        /// <param name="cbSizeFileInfo">结构体大小</param>   
        /// <param name="uFlags">枚举类型</param>   
        /// <returns>-1失败</returns>   
        [DllImport("shell32.dll")]
        public static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes, ref   SHFILEINFO psfi, uint cbSizeFileInfo, uint uFlags);        public enum SHGFI
        {
            SHGFI_ICON = 0x100,
            SHGFI_LARGEICON = 0x0,
            SHGFI_USEFILEATTRIBUTES = 0x10
        }
        /// <summary>   
        /// 获取文件图标   
        /// </summary>   
        /// <param name="p_Path">文件全路径</param>   
        /// <returns>图标</returns>   
        public static Icon GetFileIcon(string p_Path)
        {
            SHFILEINFO _SHFILEINFO = new SHFILEINFO();
            IntPtr _IconIntPtr = SHGetFileInfo(p_Path, 0, ref _SHFILEINFO, (uint)Marshal.SizeOf(_SHFILEINFO), (uint)(SHGFI.SHGFI_ICON | SHGFI.SHGFI_LARGEICON | SHGFI.SHGFI_USEFILEATTRIBUTES));
            if (_IconIntPtr.Equals(IntPtr.Zero)) return null;
            Icon _Icon = System.Drawing.Icon.FromHandle(_SHFILEINFO.hIcon);
            return _Icon;
        }
        /// <summary>   
        /// 获取文件夹图标  
        /// </summary>   
        /// <returns>图标</returns>   
        public static Icon GetDirectoryIcon()
        {
            SHFILEINFO _SHFILEINFO = new SHFILEINFO();
            IntPtr _IconIntPtr = SHGetFileInfo(@"", 0, ref _SHFILEINFO, (uint)Marshal.SizeOf(_SHFILEINFO), (uint)(SHGFI.SHGFI_ICON | SHGFI.SHGFI_LARGEICON));
            if (_IconIntPtr.Equals(IntPtr.Zero)) return null;
            Icon _Icon = System.Drawing.Icon.FromHandle(_SHFILEINFO.hIcon);
            return _Icon;
        }