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TOGGLEKEYS info  Overview  Group

The TOGGLEKEYS structure contains information about the ToggleKeys accessibility feature. When the ToggleKeys feature is on, the computer emits a high-pitched tone whenever the user turns on the CAPS LOCK, NUM LOCK, or SCROLL LOCK key, and a low-pitched tone whenever the user turns off one of those keys.

typedef struct tagTOGGLEKEYS {     // tk 

    DWORD cbSize; 

    DWORD dwFlags; 

} TOGGLEKEYS; 

 

Members

cbSize
Specifies the size, in bytes, of this structure.
dwFlags
A set of bit flags that specify properties of the ToggleKeys feature. The following bit flag values are defined:

Value

Meaning

TKF_AVAILABLE

If this flag is set, the ToggleKeys feature is available.

TKD_CONFIRMHOTKEY

Windows 95 only: A confirmation dialog box appears when the Togglekeys feature is activated by using the hot key.

TKF_HOTKEYACTIVE

If this flag is set, the user can turn the ToggleKeys feature on and off by holding down the NUM LOCK key for eight seconds.

TKF_HOTKEYSOUND

If this flag is set, the system plays a siren sound when the user turns the ToggleKeys feature on or off by using the hot key.

TKF_TOGGLEKEYSON

If this flag is set, the ToggleKeys feature is on.

Remarks

An application uses a TOGGLEKEYS structure when calling the SystemParametersInfo function with the wAction parameter set to SPI_GETTOGGLEKEYS or SPI_SETTOGGLEKEYS. When using SPI_GETTOGGLEKEYS, an application must specify the cbSize member of the TOGGLEKEYS structure; the SystemParametersInfo function fills the remaining members. An application must specify all structure members when using the SETTOGGLEKEYS value.

See Also

SystemParametersInfo 

See also:


file: /Techref/os/win/api/win32/struc/src/str21_13.htm, 3KB, , updated: 2000/4/7 12:20, local time: 2022/5/16 07:32,
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