为btnAddTempDiff和btnDeleteTempDiff按钮添加图标绘制代码

Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs

@@ -1189,6 +1189,60 @@ namespace JoyD.Windows.CS
             {                
                 Console.WriteLine("温差图按钮图标设置失败: " + ex.Message);
             }
+
+            // 设置添加温差图例按钮的图标
+            try
+            {                
+                Bitmap addTempDiffIcon = new Bitmap(24, 24);
+                using (Graphics g = Graphics.FromImage(addTempDiffIcon))
+                {
+                    // 设置高质量绘图
+                    g.SmoothingMode = SmoothingMode.AntiAlias;
+                    
+                    // 清除背景为透明
+                    g.Clear(Color.Transparent);
+                    
+                    // 绘制加号图标
+                    Pen pen = new Pen(Color.Black, 2);
+                    // 绘制水平线
+                    g.DrawLine(pen, 8, 12, 16, 12);
+                    // 绘制垂直线
+                    g.DrawLine(pen, 12, 8, 12, 16);
+                }
+                
+                btnAddTempDiff.Image = addTempDiffIcon;
+                btnAddTempDiff.ImageTransparentColor = Color.Transparent;
+            }
+            catch (Exception ex)
+            {                
+                Console.WriteLine("添加温差图例按钮图标设置失败: " + ex.Message);
+            }
+
+            // 设置删除温差图例按钮的图标
+            try
+            {                
+                Bitmap deleteTempDiffIcon = new Bitmap(24, 24);
+                using (Graphics g = Graphics.FromImage(deleteTempDiffIcon))
+                {
+                    // 设置高质量绘图
+                    g.SmoothingMode = SmoothingMode.AntiAlias;
+                    
+                    // 清除背景为透明
+                    g.Clear(Color.Transparent);
+                    
+                    // 绘制减号图标
+                    Pen pen = new Pen(Color.Black, 2);
+                    // 绘制水平线
+                    g.DrawLine(pen, 8, 12, 16, 12);
+                }
+                
+                btnDeleteTempDiff.Image = deleteTempDiffIcon;
+                btnDeleteTempDiff.ImageTransparentColor = Color.Transparent;
+            }
+            catch (Exception ex)
+            {                
+                Console.WriteLine("删除温差图例按钮图标设置失败: " + ex.Message);
+            }
         }
         
         /// <summary>