基线 SVN r240

SVN-Revision: r240
2025-02-06 06:46:06 +00:00
commit ab56a9bcf7
5317 changed files with 902274 additions and 0 deletions
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+using System;
+using System.Drawing;
+using System.Runtime.InteropServices;
+using Microsoft.Win32;
+using System.Reflection;
+using System.Collections.Generic;
+using System.Windows.Forms;
+using System.IO;
+
+namespace Lskj.PubArtworkPreview
+{
+    public static class picture
+    {
+        public static byte[] GetFileBytes(string fileName, bool largeIcon)
+        {
+            SHFILEINFO info = new SHFILEINFO(true);
+            int cbFileInfo = Marshal.SizeOf(info);
+            SHGFI flags;
+            if (largeIcon)
+                flags = SHGFI.Icon | SHGFI.LargeIcon | SHGFI.UseFileAttributes;
+            else
+                flags = SHGFI.Icon | SHGFI.SmallIcon | SHGFI.UseFileAttributes;
+
+            SHGetFileInfo(fileName, 256, out info, (uint)cbFileInfo, flags);
+            byte[] bytes = ImgToByte(Icon.FromHandle(info.hIcon).ToBitmap());
+            info.hIcon = IntPtr.Zero; info.iIcon = 0; info.dwAttributes = 0; info.szDisplayName = ""; info.szTypeName = "";
+            return bytes;
+        }
+        public static byte[] ImgToByte(Image img)
+        {
+            try
+            {
+                using (MemoryStream ms = new MemoryStream())
+                {
+                    byte[] imagedata = null;
+                    img.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
+                    imagedata = ms.GetBuffer();
+                    return imagedata;
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.ToString());
+                return null;
+            }
+        }
+        [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 = 0; dwAttributes = 0; szDisplayName = ""; szTypeName = "";
+            }
+            public IntPtr hIcon;
+            public int iIcon;
+            public uint dwAttributes;
+            [MarshalAs(UnmanagedType.LPStr, SizeConst = 260)]
+            public string szDisplayName;
+            [MarshalAs(UnmanagedType.LPStr, SizeConst = 80)]
+            public string szTypeName;
+        }
+        private enum SHGFI
+        {
+            SmallIcon = 0x00000001,
+            LargeIcon = 0x00000000,
+            Icon = 0x00000100,
+            DisplayName = 0x00000200,
+            Typename = 0x00000400,
+            SysIconIndex = 0x00004000,
+            UseFileAttributes = 0x00000010
+        }
+    }
+}
+