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Beep(freq, dur) Generates simple tones on the speaker.
Parametersfreq : int
Specifies the frequency, in hertz, of the sound. This parameter must be in the range 37 through 32,767 (0x25 through 0x7FFF).dur : int
Specifies the duration, in milliseconds, of the sound.~
One value has a special meaning: If dwDuration is - 1, the function
operates asynchronously and produces sound until called again.Win32 API ReferencesBeep
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