zhao：优化点阵笔

XHWK.WKTool/ScreenRecordingToolbarWindow.xaml.cs

                 APP.W_XHMicroLessonSystemWindow = new XHMicroLessonSystemWindow();
             }
             APP.W_XHMicroLessonSystemWindow.InitializeKeyDownEvent();
-            APP.W_XHMicroLessonSystemWindow.InitPen(); 
+            APP.W_XHMicroLessonSystemWindow.InitPen();
             APP.W_XHMicroLessonSystemWindow.InitTQLPPen();
             APP.W_XHMicroLessonSystemWindow.Show();
             if (!IsFirstRS)
                                     Left = 0,
                                     Top = 0
                                 };
-                            //practiceWin.Owner = this;
-                        }
-                        //APP.W_PracticeWindow.InitPen();
-                        //APP.W_PracticeWindow.InitTQLPPen();
-                        APP.W_PracticeWindow.Initialize();// imagePath);
-                        flg = 11;
+                                //practiceWin.Owner = this;
+                            }
+                            //APP.W_PracticeWindow.InitPen();
+                            //APP.W_PracticeWindow.InitTQLPPen();
+                            APP.W_PracticeWindow.Initialize();// imagePath);
+                            APP.W_PracticeWindow.Focus();
+                            flg = 11;
                             APP.W_PracticeWindow.Blue();
                             APP.W_PracticeWindow.Show();
                         });
                         new Thread(new ThreadStart(new Action(() =>
                         {
+                            Dispatcher.Invoke(() =>
+                            {
+                                APP.W_PracticeWindow.Topmost = true;
+                            });
                             Thread.Sleep(100);
                             Dispatcher.Invoke(() =>
                             {
-                                Owner = APP.W_PracticeWindow;
+                                APP.W_PracticeWindow.Topmost = false;
+                                //Owner = APP.W_PracticeWindow;
                                 Topmost = true;
                             });
                         }))).Start();
 
         private void gridToobarTwo_MouseLeave(object sender, System.Windows.Input.MouseEventArgs e)
         {
-            if(BtnRecordingScreen.ToolTip.ToString().Equals ("暂停")&& gridToobar.Visibility == Visibility.Visible)
+            if (BtnRecordingScreen.ToolTip.ToString().Equals("暂停") && gridToobar.Visibility == Visibility.Visible)
             {
                 if (APP.IsHideSRTool)
                 {