示例#1
0
        private static WriteableBitmap GetWriteableBitmapFromFile(string f)
        {
            var          icon         = GIconHelper.GetFileIcon(f, false).ToBitmap();
            IntPtr       hBitmap      = icon.GetHbitmap();
            BitmapSource bitmapSource = Imaging.CreateBitmapSourceFromHBitmap(hBitmap, IntPtr.Zero, Int32Rect.Empty,
                                                                              BitmapSizeOptions.FromEmptyOptions());

            bitmapSource.Freeze();
            WriteableBitmap writeableBmp = new WriteableBitmap(bitmapSource);

            icon.Dispose();
            return(writeableBmp);
        }
示例#2
0
 private static BitmapSource GetBitmapFromFileNoCache(string f, int level)
 {
     Logger.I("GetBitmapFromFileNoCache for {0} level {1}", f, level);
     if (level > 5)
     {
         return(null);           //防止递归调用死循环,将堆栈耗尽
     }
     if (PathHelper.IsValidWebLink(f))
     {
         return(GetBitmapFromFileNoCache(CfgPath.Res_HTTP_Path, level + 1));
     }
     else if (PathHelper.IsValidFS(f))
     {
         try
         {
             Logger.I(" isvalidfs try GetBitmapFromFileNoCache for {0} level {1}", f, level);
             Icon ic = GIconHelper.GetFileIcon(f, false);
             if (ic == null)
             {
                 Logger.I("GetBitmapFromFileNoCache failed: ic==null for {0} level {1}", f, level);
                 return(null);
             }
             var          icon         = ic.ToBitmap();
             IntPtr       hBitmap      = icon.GetHbitmap();
             BitmapSource bitmapSource = Imaging.CreateBitmapSourceFromHBitmap(hBitmap, IntPtr.Zero, Int32Rect.Empty,
                                                                               BitmapSizeOptions.FromEmptyOptions());
             bitmapSource.Freeze();
             icon.Dispose();
             return(bitmapSource);
         }
         catch (Exception e)
         {
             Logger.E(e);
             Logger.E("get icon failed!======{0}", f);
             if (f != CfgPath.Res_UNKNOW_Path)
             {
                 return(GetBitmapFromFileNoCache(CfgPath.Res_UNKNOW_Path, level + 1));
             }
             else
             {
                 return(null);
             }
         }
     }
     else
     {
         return(GetBitmapFromFileNoCache(CfgPath.Res_UNKNOW_Path, level + 1));
     }
 }