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Article ID: 297542 - Last Review: November 21, 2006 - Revision: 4.1
PRB: MessageBeep(-1) Is Not Redirected to Terminal Server Clients
This article was previously published under Q297542
In Microsoft Windows NT 4.0-based systems and earlier, if you call the
MessageBeep function with
-1 specified for the
uType parameter, a beep is played through the computer speakers instead of through the sound card. For an application running in a Terminal Server session, this beep is redirected to the client computer, which therefore permits limited audio feedback to be sent to the client. In Windows 2000,
MessageBeep(-1) always causes a beep to be played through the sound card and is not redirected to the client.
In Windows NT 4.0 and earlier,
MessageBeep(-1) results in a call to the
Beep function. The
Beep function is always redirected to the client computer in both Windows NT 4.0 and Windows 2000. In Windows 2000,
MessageBeep does not call the
Beep function.
If you want an application to provide audio feedback to Terminal Server clients, make it call the
Beep function directly.
Depending on how the system is configured,
MessageBeep(0) can also cause a beep to be played through the computer speakers on a Windows NT 4.0-based system. As with
MessageBeep(-1),
MessageBeep(0) always causes a beep to be played through the sound card on a Windows 2000-based system, and the
MessageBeep function is not redirected to a Terminal Server client.
APPLIES TO
- Microsoft Win32 Application Programming Interface, when used with:
- Microsoft Windows 2000 Standard Edition
| kbapi kbkernbase kbprb kbtermserv KB297542 |
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