SOUNDSENTRY (Windows CE 5.0)

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This structure contains information about the sound sentry accessibility option. When the sound sentry option is on, the device displays a visual indication when a sound is generated through the internal speaker of the device.

typedef struct tagSOUNDSENTRY{UINT cbSize;DWORD dwFlags;DWORD iFSTextEffect;DWORD iFSTextEffectMSec;DWORD iFSTextEffectColorBits;DWORD iFSGrafEffect;DWORD iFSGrafEffectMSec;DWORD iFSGrafEffectColor;DWORD iWindowsEffect;DWORD iWindowsEffectMSec;LPTSTR lpszWindowsEffectDLL;DWORD iWindowsEffectOrdinal;} SOUNDSENTRY, *LPSOUNDSENTRY;

Members

  • cbSize
    Unsigned integer that specifies the size, in bytes, of this structure.
  • dwFlags
    DWORD that contains a set of bit flags that specify properties for the sound sentry option. The following table shows the possible values.
    Value Description
    SSF_AVAILABLE The sound sentry option is available for use.
    SSF_SOUNDSENTRYON The sound sentry option is on.
  • iFSTextEffect
    Not supported.
  • iFSTextEffectMSec
    Not supported.
  • iFSTextEffectColorBits
    Not supported.
  • iFSGrafEffect
    Not supported.
  • iFSGrafEffectMSec
    Not supported.
  • iFSGrafEffectColor
    Not supported.
  • iWindowsEffect
    DWORD that specifies a visual signal to display when a Windows CE–based application running in a window generates a sound. The following table shows the possible values.
    Value Description
    SSWF_DISPLAY Causes the entire screen to flash.
    SSWF_NONE Causes no visual signal.
    SSWF_TITLE Causes the title bar of the active window to flash.
    SSWF_WINDOW Causes the active window to flash.
  • iWindowsEffectMSec
    Not supported.
  • lpszWindowsEffectDLL
    Not supported.
  • iWindowsEffectOrdinal
    Reserved for future use. Set to 0.

Remarks

Use a SOUNDSENTRY structure when you call the SystemParametersInfo function with the wAction parameter set to SPI_GETSOUNDSENTRY or SPI_SETSOUNDSENTRY. When using SPI_GETSOUNDSENTRY, you must specify the cbSize member of the SOUNDSENTRY structure; the SystemParametersInfo function fills in the remaining members. Specify all structure members when using the SPI_SETSOUNDSENTRY value.

Because Windows CE does not support full screen virtual machines, Windows CE does not support the iFSTextEffect, iFSTextEffectMSec, iFSTextEffectColorBits, iFSGrafEffect, iFSGrafEffectMSec, iFSGrafEffectColor, iWindowsEffectMSec, and lpszWindowsEffectDLL members of the Windows-based desktop version of the SOUNDSENTRY structure.

Requirements

OS Versions: Windows CE .NET 4.0 and later.
Header: Winuser.h.

See Also

SystemParametersInfo | Enabling Sound Sentry | Accessibility Structures

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