Added #4 - only one instance will be allowed to run

02_Windows_App/Perun_v1/02_Forms/form_Main.cs

@@ -544,5 +544,27 @@ namespace Perun_v1
                 }
             }
         }
+
+        protected override void WndProc(ref Message m)
+        {
+            if (m.Msg == NativeMethods.WM_SHOWME)
+            {
+                ShowMe();
+            }
+            base.WndProc(ref m);
+        }
+        private void ShowMe()
+        {
+            if (WindowState == FormWindowState.Minimized)
+            {
+                WindowState = FormWindowState.Normal;
+            }
+            // get our current "TopMost" value (ours will always be false though)
+            bool top = TopMost;
+            // make our form jump to the top of everything
+            TopMost = true;
+            // set it back to whatever it was
+            TopMost = top;
+        }
     }
 }