wince 5 沙漏(Hourglass)显示问题

刚刚解决的问题:wince 5中用EVC 写应用程序自己调用显示忙状态的沙漏.

我发的相关帖子的地址:http://topic.youkuaiyun.com/u/20090203/09/1b4bda94-deea-4b62-b78b-4739bbd5167e.html

第一种情况:如下,在初始化时显示沙漏持续5s钟,实际效果是,我双击打开应用程序,什么也看不到,如果我点击下屏幕,就会显示出沙漏,如果笔不点击屏幕,沙漏就立刻消失.好像只有在点击屏幕是才会有沙漏出现.

   
   

    
    
    
    BOOL CHourGlassDlg::OnInitDialog()
{
    CDialog::OnInitDialog();

    
    
    //
    
     Set the icon for this dialog.  The framework does this automatically
    
    
    //
    
      when the application's main window is not a dialog
    
    

    
        SetIcon(m_hIcon, TRUE);            
    
    //
    
     Set big icon
    
    

    
        SetIcon(m_hIcon, FALSE);        
    
    //
    
     Set small icon
    
    

    
        
    CenterWindow(GetDesktopWindow());    
    
    //
    
     center to the hpc screen
    
    

    
    
    SetCursor(::WCE_FCTN(LoadCursor)(NULL,IDC_WAIT)); 
    Sleep(
    
    5000
    
    );
    SetCursor(NULL);    
    
    
    return
    
     TRUE;  
    
    //
    
     return TRUE  unless you set the focus to a control
    
    

    
    }
   
   

第二种情况:如下,在按钮按下事件中调用显示沙漏5秒钟,结果是我点击按钮,沙漏图标会出现,但沙漏不动,没有漏沙的效果,当点击一下屏幕就会出现漏沙的效果,不点击屏幕则没有漏沙的效果. 

   
   

    
    
    
    void
    
     CHourGlassDlg::OnHourglass() 
{
    
    
    //
    
     TODO: Add your control notification handler code here
    
    

    
        SetCursor(AfxGetApp()
    
    ->
    
    LoadCursor(IDC_WAIT));
    Sleep(
    
    5000
    
    );
    SetCursor(NULL);
}
   
   

我把上面同一个应用程序放到win mobile的系统里,沙漏的效果都很正常,初始化时和点击按钮都会出现动画的沙漏.这好像和wince系统有关系了. 
有网友提出,在sleep(5000)的时候,窗口不处理任何消息.我把上面的 函数中的   Sleep(5000);和
    SetCursor(NULL);去掉,沙漏同样不能正常显示.所以问题不在这里.况且同样的程序在win mobile上沙漏效果是正常的.

通过搜索,国外的网友有很多同样的问题:现摘录部分如下:

http://www.pocketpcjunkies.com/Uwe/Forum.aspx/wince-pb/11133/Hourglass-Needs-tapping

Hourglass: Needs tapping

 
 

  
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  Tarun - 01 Mar 2006 12:10 GMT
 
 
 
 

  
  

   
   This happens when I open up folders, or change view options, that may
   
   
take some time :
   
   

   
   

   
   It looks like the hourglass in the square box is actually there, but I
can't see it.
   
   

   
   I can see it if I touch the screen while it should be displayed.

   
   If I touch the screen while my application is working the hourglass is
being displayed
and it is turning around with every touch on the screen.
So I'm wondering what am I missing in my platform to show this box
   
   
without
   
   
having to
   
   
touch the screen?
   
   

   
   
Has anyone experienced the same problem? 
   
   

   
   
Please HELP
   
   

   
   
-T@N
   
   

  
  
  
  

   
   Reply to this Message
  
  
  
  

   
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   anonymous - 01 Mar 2006 15:17 GMT
  
  
  
  

   
   

    
    I have the problem, but it requires both SYSGEN_TOUCH and SYSGEN_MOUSE to be 
    
    
set, so that the mouseandtouchcursor option is used.
    
    

    
    
It is a bug in microsoft's private code. So far, I've not been able to get 
    
    
it fixed. I've opened a case and had it called a 'nuisance' in which they 
    
    
won't fix it. I have a suggested fix, and I can't find the correct way to 
    
    
communicate it to someone that cares.
    
    

    
    
I'd love to see it get fixed. Its a one line fix.
    
    

    
    

   
   
   
   

    
    > This happens when I open up folders, or change view options, that may
    
    
> take some time :
    
    

    
    [quoted text clipped - 16 lines]
> 
    
    
> -T@N
   
   
   
   

    
    Reply to this Message
   
   
   
   

    
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    Tarun - 02 Mar 2006 10:03 GMT
   
   
   
   

    
    

     
     Hi there...
     
     

     
     
"I'd love to see it get fixed."
     
     

     
     
u already have this fix, or you dont have it??
     
     

     
     
"Its a one line fix. "
     
     

     
     
If you have a fix already, this would probably be the right place to
     
     
post it, in order to help others :)
     
     

     
     
-T@N
     
     

    
    
    
    

     
     Reply to this Message
    
    
    
    

     
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     Tarun - 02 Mar 2006 10:32 GMT
    
    
    
    

     
     

      
      I got the fix...

removing the SYSGEN_CURSOR (mouse) component from the OS design
resolved this.

      
      
Thanks "anonymous", you gave me a good pointer!
      
      

      
      
-T@N
      
      

     
     
     
     

      
      Reply to this Message
     
     
    
    
   
   
  
  
 
 
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还有:

Displaying hourglass cursor

<script type="text/javascript"></script> abcd - 04 Oct 2005 01:21 GMT

Hi All,

I have a WinCE.NET 4.2 CDialog app that is to display a hourglass when
downloading data.

I tried using various methods such as the LoadCursor,
SetCursor(LoadCursor(NULL, IDC_WAIT)) and then ShowCursor. I also tried
the "CWaitCursor wait" method.

However, the cursor won't show up until I tagged on the screen, the
moment the stylus left the screen, it disappeared.

Is there a trick or way to make the cursor stayed without having to
touch the screen?

Or the problem OEM dependent on the device vendors?

TIA.

 

显然,上面的Tarun 已经给出了解决办法,即
removing the SYSGEN_CURSOR (mouse) component from the OS design.

所以我也想把mouse去掉,

先是在PB里删除MOUSE 组件,但是提示不能直接删除,因为有相关的依赖关系存在.

我又在BSP目录下的PB5x_Cmd_Line_Bld_Env_Vars.bat文件里添加

set SYSGEN_CURSOR= ,结果依然没有改进.

最后在

C:/WINCE500/PLATFORM/ZYLONITE_MHL下的cebasecesysgen_cebase.bat 文件里加上set SYSGEN_CURSOR=. 结果沙漏就正常显示了.

 

WINCE 命令行编译时,不知道在哪里调用了cebasecesysgen_cebase.bat 这个文件.命令行编译的顺序是怎么样的还不太清楚,要学习下.