Overview
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Windows NT
Yes
Win95
Yes
Win32s
Yes
Import Library
user32.lib
Header File
winuser.h
Unicode
No
Platform Notes
None

MessageBeep

The MessageBeep function plays a waveform sound. The waveform sound for each sound type is identified by an entry in the [sounds] section of the registry.

BOOL MessageBeep(

UINT uType
// sound type
);

Parameters

uType

Specifies the sound type, as identified by an entry in the [sounds] section of the registry. This parameter can be one of the following values:

Value
Sound
0xFFFFFFFF
Standard beep using the computer speaker
MB_ICONASTERISK
SystemAsterisk
MB_ICONEXCLAMATION
SystemExclamation
MB_ICONHAND
SystemHand
MB_ICONQUESTION
SystemQuestion
MB_OK
SystemDefault

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

Remarks

After queuing the sound, the MessageBeep function returns control to the calling function and plays the sound asynchronously.

If it cannot play the specified alert sound, MessageBeep attempts to play the system default sound. If it cannot play the system default sound, the function produces a standard beep sound through the computer speaker.

The user can disable the warning beep by using the Control Panel Sound application.

See Also

FlashWindow
, MessageBox

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