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;
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. |
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.
file: /Techref/os/win/api/win32/struc/src/str21_13.htm, 3KB, , updated: 2000/4/7 12:20, local time: 2024/9/1 12:07,
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