修复关联失败问题 继续优化读单

AllBase/ImageBuild.cs

@@ -5,6 +5,7 @@ using System.Drawing.Imaging;
 using System.IO;
 using System.Net;
 using System.Runtime.InteropServices;
+using System.Threading;
 using System.Windows.Forms;
 using System.Windows.Media.Imaging;
 
@@ -388,11 +389,6 @@ namespace AllBase
         public static BitmapImage LoadBitmipImageFromUrl(string url, int? width = 0, int? height = 0)
         {
             BitmapImage bitmap = new BitmapImage();
-			if (width != null && height != null)
-			{
-				bitmap.DecodePixelWidth = 100;
-				bitmap.DecodePixelHeight = 100;
-			}
 
 			try
             {
@@ -403,11 +399,16 @@ namespace AllBase
                     {
                         stream.Position = 0; // 重置流的位置到开始处
                         bitmap.BeginInit();
-                        bitmap.CreateOptions = BitmapCreateOptions.PreservePixelFormat;
+						if (width != null && height != null)
+						{
+							bitmap.DecodePixelWidth = width.Value;
+							bitmap.DecodePixelHeight = height.Value;
+						}
+						bitmap.CreateOptions = BitmapCreateOptions.PreservePixelFormat;
                         bitmap.CacheOption = BitmapCacheOption.OnLoad; // 或者使用 BitmapCacheOption.OnLoad 以减少内存使用
                         bitmap.UriSource = null; // 清除可能的旧UriSource，防止缓存问题
                         bitmap.StreamSource = stream;
-                        bitmap.EndInit();
+						bitmap.EndInit();
                         bitmap.Freeze(); // 防止后续更改，提高性能
                     }
                 }