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VC语言6.0程序设计从入门到精通-第86章

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               CRect clientrect;  



               CRect racingrect;  



         



               GetClientRect(clientrect);  



               ClientToScreen(clientrect);  



         



               m_RacingBox。GetClientRect(racingrect);  



               m_RacingBox。ClientToScreen(racingrect);  



         



               racingrect …= clientrect。TopLeft();  



         



               if( !GetExitCodeThread(m_hRed; &code) ||    



                       code != STILL_ACTIVE )  



               {  



                       //  填写红马信息  



                       m_RedHorse。hWnd = this…》GetSafeHwnd();  



                       m_RedHorse。color = RED;  



                       m_RedHorse。speed = m_RSpeed。GetPos();  



                       m_RedHorse。size = 10;  



                       m_RedHorse。rect。TopLeft() = racingrect。TopLeft();  



                       m_RedHorse。rect。right = m_RedHorse。rect。TopLeft()。x + racingrect。Width();  



                       m_RedHorse。rect。bottom = m_RedHorse。rect。TopLeft()。y + racingrect。Height()/3;  



                       m_RedHorse。x = m_RedHorse。rect。left + m_RedHorse。size;  



                       m_RedHorse。y = m_RedHorse。rect。top + m_RedHorse。rect。Height()/2;  



         



                       //  创建红马线程  



                       m_hRed = CreateThread(NULL; 0; ThreadProc; &m_RedHorse; 0; &tID);  



         



                       if(m_hRed == NULL)  



                       {  



                              AfxMessageBox(〃创建线程失败〃);  



                       }  



               }  



         



               if( !GetExitCodeThread(m_hGreen; &code) ||    



                       code != STILL_ACTIVE )  



               {  



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                                                                                                         第 9 章    多线程  



       //  填写绿马信息  



       m_GreenHorse。hWnd = this…》GetSafeHwnd();  



       m_GreenHorse。color = GREEN;  



       m_GreenHorse。speed = m_GSpeed。GetPos();  



       m_GreenHorse。size = 10;  



       m_GreenHorse。rect。TopLeft() = racingrect。TopLeft()+CPoint(0; racingrect。Height()/3);  



       m_GreenHorse。rect。right = m_GreenHorse。rect。TopLeft()。x + racingrect。Width();  



       m_GreenHorse。rect。bottom = m_GreenHorse。rect。TopLeft()。y + racingrect。Height()/3;  



       m_GreenHorse。x = m_GreenHorse。rect。left + m_GreenHorse。size;  



       m_GreenHorse。y = m_GreenHorse。rect。top + m_GreenHorse。rect。Height()/2;  



         



       //  创建绿马线程  



       m_hGreen = CreateThread(NULL; 0; ThreadProc; &m_GreenHorse; 0; &tID);  



  



       if(m_hGreen == NULL)  



       {  



              AfxMessageBox(〃创建线程失败〃);  



       }  



  }  



  



  if( !GetExitCodeThread(m_hBlue; &code) ||    



       code != STILL_ACTIVE )  



  {  



       //  填写蓝马信息  



       m_BlueHorse。hWnd = this…》GetSafeHwnd();  



       m_BlueHorse。color = BLUE;  



       m_BlueHorse。speed = m_BSpeed。GetPos();  



       m_BlueHorse。size = 10;  



       m_BlueHorse。rect。TopLeft() = racingrect。TopLeft()+CPoint(0; racingrect。Height()*2/3);  



       m_BlueHorse。rect。right = m_BlueHorse。rect。TopLeft()。x + racingrect。Width();  



       m_BlueHorse。rect。bottom = m_BlueHorse。rect。TopLeft()。y + racingrect。Height()/3;  



       m_BlueHorse。x = m_BlueHorse。rect。left + m_BlueHorse。size;  



       m_BlueHorse。y = m_BlueHorse。rect。top + m_BlueHorse。rect。Height()/2;  



  



       //  创建蓝马线程  



       m_hBlue = CreateThread(NULL; 0; ThreadProc; &m_BlueHorse; 0; &tID);  



  



       if(m_hBlue == NULL)  



       {  



              AfxMessageBox(〃创建线程失败〃);  



                                                                                                                     ·225 ·  


…………………………………………………………Page 237……………………………………………………………

Visual C++ 6。0 程序设计从入门到精通  



                      }  



               }  



         



               //  设置按钮状态  



               CButton* pBtn;  



         



               pBtn = (CButton*)GetDlgItem(IDSTART);  



               pBtn…》EnableWindow(FALSE);  



         



               pBtn = (CButton*)GetDlgItem(IDPAUSE);  



               pBtn…》EnableWindow(TRUE);  



         



               pBtn = (CButton*)GetDlgItem(IDSTOP);  



               pBtn…》EnableWindow(TRUE);  



         



        }  



        (11)响应“暂停”按钮  

        响应“暂停”按钮,用来暂停和继续线程,代码如下:  



       void CRacingDlg::OnPause()    



        {  



               //  得到 button 的指针  



               CButton* pBtn = (CButton*)GetDlgItem(IDPAUSE);  



         



               //  改变按钮的名称  



               if( !m_bPaused )  



               {  



                      SuspendThread(m_hRed);  



                      SuspendThread(m_hGreen);  



                      SuspendThread(m_hBlue);  



                        



                      pBtn…》SetWindowText(〃继续〃);  



               }  



         



               else  



               {  



                      ResumeThread(m_hRed);  



                      ResumeThread(m_hGreen);  



                      ResumeThread(m_hBlue);  



                        



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                                                                                                                 第 9 章    多线程  



              pBtn…》SetWindowText(〃暂停〃);  



       }  



  



       /
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