WinAlarm: Difference between revisions
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== Parameters == | == Parameters == | ||
;desktopHandle | ;desktopHandle ([[HWND]]) - input : The desktop handle. | ||
;alarmStyle | ;alarmStyle ([[ULONG]]) input : The alarm style to be. | ||
== Constants == | == Constants == | ||
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==Related Functions== | ==Related Functions== | ||
*WinFlashWindow | *[[WinFlashWindow]] | ||
*[[WinMessageBox]] | *[[WinMessageBox]] | ||
Latest revision as of 15:14, 7 April 2024
Generates an audible alarm.
Syntax
WinAlarm(desktopHandle, alarmStyle)
Parameters
Constants
These are the differing alarm tone constants:
- WA_WARNING
- WA_NOTE
- WA_ERROR
The frequency of these alarm types can be changed with WinSetSysValue. The alarm frequency range is 0x0025 through 0x7FFF. If SV_ALARM is set to FALSE then no alarm will sound.
Returns
This function returns a BOOL with the values of:
Possible errors from WinGetLastError are:
Module
DOSCALLS
Define (C/C++)
INCL_WINDIALOGS or INCL_WIN or INCL_PM or INCL_COMMON
Calling Convention
Example Code
... APIRET rc; rc = WinAlarm (HWND_DESKTOP, WA_NOTE); ...
Related Functions
Notes
WinAlarm function also used for multimedia subsystem notification.