VC++（AfxMessageBox實例）

int AfxMessageBox( LPCTSTR lpszText, UINT nType = MB_OK, UINT nIDHelp = 0 );
MB_ABORTRETRYIGNORE 消息框中顯示Abort、Retry、Ignore按鈕
MB_OK 顯示OK按鈕                  //AfxMessageBox的用法
MB_OKCANCEL 顯示OK、Cancel按鈕
MB_RETRYCANCEL 顯示Retry、Cancel按鈕
MB_YESNO 顯示Yes、No按鈕
MB_YESNOCANCEL 顯示Yes、No、Cancel按鈕

圖標風格
MB_ICONINFORMATION 顯示一個i圖標，表示提示
MB_ICONEXCLAMATION 顯示一個驚嘆號，表示警告
MB_ICONSTOP 顯示手形圖標，表示警告或嚴重錯誤
MB_ICONQUESTION 顯示問號圖標，表示疑問

Example:  AfxMessageBox(nStringID, MB_YESNO|MB_ICONSTOP);
if(AfxMessageBox(strTemp,MB_YESNO|MB_ICONQUESTION)==IDNO) {... };

Return Value: Zero if there is not enough memory to display the message box;
otherwise, one of the following values is returned:
    *IDABORT   The Abort button was selected.
    *IDCANCEL   The Cancel button was selected.
    *IDIGNORE   The Ignore button was selected.
    *IDNO   The No button was selected.
    *IDOK   The OK button was selected.
    *IDRETRY   The Retry button was selected.
    *IDYES   The Yes button was selected.