Merge branch 'compdfkit_demo_windows' of http://git.kdan.cc:8865/Others/kmpdfkit_demo into compdfkit_demo_windows

compdfkit_demo_windows/compdfkit/edit-ctrl-demo/MainWindow.xaml.cs

@@ -303,6 +303,11 @@ namespace edit_ctrl_demo
                     e.PopupMenu.Items.Add(doubleContinuousView);
                 }
             }
+
+            if(e!=null &&e.CommandType==CommandType.Copy)
+            {
+                e.DoCommand();
+            }
         }
 
         private void PasswordUI_Confirmed(object sender, string e)