public static void MessageBeep(BeepTypes type)
{
if (!MessageBeep((UInt32)type))
{
Int32 err = Marshal.GetLastWin32Error();
throw new Win32Exception(err);
}
}
public static DisplayText Create(string text, DisplayTextReasons reason, BeepTypes beep)
{
Ensure.NotNull(text, nameof(text));
return new DisplayText
{
Text = text,
Reason = reason,
Beep = beep,
Flags = new Flags(beep != BeepTypes.NoBeep ? "BEEP" : "")
};
}
/// <summary>
/// ���Ƕ�Win32 API����MessageBeep��һ����װ����
/// </summary>
/// <param name="type"></param>
public static void MessageBeep(BeepTypes type)
{
if (!Enum.IsDefined(typeof(BeepTypes), type))
{
throw new ArgumentException("BeepType can not be recognized!");
}
if (!MessageBeep((UInt32)type))
{
// ���ʧ�ܣ�������Ĵ����룬
// ���׳���Ӧ��Win32�쳣
Int32 err = Marshal.GetLastWin32Error();
throw new Win32Exception(err);
}
}
static extern bool MessageBeep( BeepTypes beepType );
// not working on HTC Diamond2
public static void Beep( BeepTypes msg )
{
MessageBeep(msg);
}
/// <summary>
/// Managed Wrapper for MessageBeep.
/// Not strictly needed but it's a good idea to provide a wrapper
/// whenever using native APIs to help manage change, report errors, etc
/// </summary>
public static void MessageBeep(BeepTypes beep)
{
if (!MessageBeep((UInt32)beep))
{
ThrowLastError();
}
}
