Update BaseForm.cs

v2rayN/v2rayN/Forms/BaseForm.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Drawing;
 using System.Windows.Forms;
 using v2rayN.Mode;
 
@@ -35,5 +36,52 @@ namespace v2rayN.Forms
                 Utils.SaveLog($"Loading custom icon failed: {e.Message}");
             }
         }
+
+        protected Icon GetNotifyIcon()
+        {
+            try
+            {
+                var index = config.sysAgentEnabled ? config.listenerType : 0;
+                if (index <= 0)
+                {
+                    return this.Icon;
+                }
+                var color = (new Color[] { Color.Red, Color.Orange, Color.Yellow, Color.Green })[index - 1];
+                var text = index.ToString();
+
+                var width = 128;
+                var height = 128;
+                //Create bitmap, kind of canvas
+                Bitmap bitmap = new Bitmap(width, height);
+
+                //var drawFont = new Font(FontFamily.Families[0], 64f, FontStyle.Bold);
+                //var drawBrush = new SolidBrush(color);
+                var pen = new Pen(color, 24);
+
+                var graphics = Graphics.FromImage(bitmap);
+                //graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SingleBitPerPixel;
+                graphics.DrawIcon(this.Icon, 0, 0);
+                graphics.DrawEllipse(pen, new Rectangle(0, 0, width, height));
+                //graphics.DrawString(text, drawFont, drawBrush, width / 4, height / 8);
+
+                //To Save icon to disk
+                bitmap.Save(Utils.GetPath("temp_icon.ico"), System.Drawing.Imaging.ImageFormat.Icon);
+
+                Icon createdIcon = Icon.FromHandle(bitmap.GetHicon());
+
+                //drawFont.Dispose();
+                //drawBrush.Dispose();
+                pen.Dispose();
+                graphics.Dispose();
+                bitmap.Dispose();
+
+                return createdIcon;
+            }
+            catch (Exception ex)
+            {
+                Utils.SaveLog(ex.Message, ex);
+                return this.Icon;
+            }
+        }
     }
 }