Add files via upload

tools/viewer/ImageViewerToolCard.cs

@@ -0,0 +1,48 @@
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+using System.IO;
+using AppStore;
+
+namespace KortAppZ.Tools.Viewer
+{
+    public class ImageViewerToolCard : ToolCard
+    {
+        public ImageViewerToolCard()
+        {
+            this.ToolName = "图片查看";
+            
+            try 
+            {
+                string iconPath = Path.Combine(Application.StartupPath, "img", "resource", "png", "ImageCompressor.png");
+                if (File.Exists(iconPath))
+                {
+                    this.ToolIcon = Image.FromFile(iconPath);
+                }
+                else
+                {
+                    this.ToolIcon = SystemIcons.Application.ToBitmap();
+                }
+            }
+            catch
+            {
+                this.ToolIcon = SystemIcons.Application.ToBitmap();
+            }
+            
+            this.ToolCardClicked += (s, e) => {
+                try
+                {
+                    ImageViewerForm viewerForm = new ImageViewerForm();
+                    viewerForm.Show();
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show($"打开图片查看器失败: {ex.Message}", "错误", 
+                        MessageBoxButtons.OK, MessageBoxIcon.Error);
+                }
+            };
+            
+            this.UpdateDisplay();
+        }
+    }
+}