要在几秒钟后自动关闭消息框，或者如何将计时器添加到消息框 [英] To close a Messagebox after few seconds automatically OR How to add timer to messagebox

问题描述

大家好..

在WIN32中，我创建了这样的消息框:

MessageBox(NULL，初始化软件"，初始化"，MB_OK);

我的问题是:如何在几秒钟后自动关闭此消息框，而无需按确定"按钮..

请给我建议.

在此先谢谢您..

Hello Everyone..

In WIN32, I have created the Messagebox like this:

MessageBox(NULL,"Initilizing the Software","Initilization",MB_OK);

And my question is: how do i close this Messagebox after few seconds automatically, without pressing OK button..

Please suggest me..

Thanks in advance..

推荐答案

，您可以按预期工作.但这将是显示进度的非常奇怪的方法.您必须创建一个separte线程来处理关闭消息框的消息.因为消息框是模式对话框.一旦调用，不关闭就无法执行下一行代码.因此，首先您必须编写一个线程函数.在该代码中，如下所示获取消息框窗口句柄，然后将其关闭

you can get this thing work as you expect. But it is going to be very weird method to show progress. You have to create a separte thread to handle the message box closing stuffs. Because a message box is of a modal dialog. Once invoked, without closing you can not execute next line of code. So first you have to write a thread function. In that Write the code to get the message box window handle as below and then close it

UINT ThreadFun(LPVOID lpvParam)
{
    Sleep( 4000 );// Waiting untill the message box gets invoked(you can use an effective synch method also)
    HWND hWnd = FindWindow( 0, "Initilization"/*Window Title*/ );
    Sleep( 4000 );// Wait for some second
    CloseWidnow( hWnd );
}
void ShowMsg()
{
    :
    AfxBeginThread( ThreadFun, 0 );
    MessageBox(NULL,"Initilizing the Software","Initilization",MB_OK);
    :
}

但是，除非您有效地处理同步问题，否则这段代码肯定会崩溃.

现在可以真正解决您的问题，最好使用无模态对话框显示进度消息
http://www.winprog.org/tutorial/modeless_dialogs.html [

But this code will for sure crash unless you handle the synchronizantion effeciently.

Now coming to a real solution to your issue, better you use a modless dialog which shows the progress message
http://www.winprog.org/tutorial/modeless_dialogs.html[^]
and send the message WM_CLOSE to this dialog after some time or once your s/w initialization is done

不要为此使用MessageBox，而是使用

Don''t use a MessageBox for this but utilise the ProgressBar[^] control for a more professional approach. You can embed it into a modal or modeless dialog or use it stand alone.

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