关于MessageBox function，参考：

更多示例，参考Using Dialog Boxes（）

 

 

IDE: Code::Blocks 16.01

操作系统：Windows 7 x64

1 #include 
     
       2 #include 
      
        3  4 /* In the following example, the application displays a message box 5    that prompts the user for an action after an error condition has occurred. 6    The message box displays the message that describes the error condition 7    and how to resolve it. 8    The MB_YESNO style directs MessageBox to provide two buttons 9    with which the user can choose how to proceed : */10 int DisplayConfirmSaveAsMessageBox()11 {12     int msgboxID = MessageBox(13         NULL,14         "temp.txt already exists.\nDo you want to replace it?",15         "Confirm Save As",16         MB_ICONEXCLAMATION | MB_YESNO17     );18 19     if (msgboxID == IDYES)20     {21         // TODO: add code22     }23 24     return msgboxID;25 }26 27 int _cdecl _tmain()28 {29     DisplayConfirmSaveAsMessageBox();30 31     return 0;32 }
      
     

 

在Code::Blocks 16.01中的运行结果：

 

 

IDE: Microsoft Visual Studio Community 2017 15.5.2

操作系统：Windows 7 x64

1 #include "stdafx.h" 2  3 #include 
     
       4  5 /* In the following example, the application displays a message box  6    that prompts the user for an action after an error condition has occurred. 7    The message box displays the message that describes the error condition  8    and how to resolve it. 9    The MB_YESNO style directs MessageBox to provide two buttons 10    with which the user can choose how to proceed : */11 int DisplayConfirmSaveAsMessageBox()12 {13     int msgboxID = MessageBox(14         NULL,15         L"temp.txt already exists.\nDo you want to replace it?",16         L"Confirm Save As",17         MB_ICONEXCLAMATION | MB_YESNO18     );19 20     if (msgboxID == IDYES)21     {22         // TODO: add code23     }24 25     return msgboxID;26 }27 28 int _cdecl _tmain()29 {30     DisplayConfirmSaveAsMessageBox();31 32     return 0;33 }
     

 

在Microsoft Visual Studio Community 2017 15.5.2中的运行结果：

 

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 关于MessageBox()的参数：

第一个，不太理解。

第二个，指定要显示的文本信息。

第三个，指定消息框的标题。

第四个，指定图标，及按键等等。