..

Project/fMain.cs

@@ -434,5 +434,12 @@ namespace Project
         {
             menu_work_report();
         }
+
+        private void toolStripButton4_Click(object sender, EventArgs e)
+        {
+            var f = new FCM0000.fInventory();
+            f.MdiParent = this;
+            f.Show();
+        }
     }
 }