0:对话框建立失败
IDOK = 1 :按确认按钮
IDCANCEL = 2:按取消按钮
IDYES = 6:按的是按钮
IDABOUT = 3:按异常终止按钮
IDRETRY = 4:按重试按钮
IDIGNORE = 5:按忽略按钮
IDNO = 7:按否按钮
0:对话框建立失败
IDOK = 1 :按确认按钮
IDCANCEL = 2:按取消按钮
IDYES = 6:按的是按钮
IDABOUT = 3:按异常终止按钮
IDRETRY = 4:按重试按钮
IDIGNORE = 5:按忽略按钮
IDNO = 7:按否按钮