OH_Input_GetFunctionKeyState

ohos_input_sys::input_manager

Function OH_Input_GetFunctionKeyState 

Source 
pub unsafe extern "C" fn OH_Input_GetFunctionKeyState(
    keyCode: i32,
    state: *mut i32,
) -> Input_Result
Available on crate feature api-15 only.
Expand description

Obtains the function key status.

§Arguments

  • keyCode - Function key value. Supported function keys include capsLock, NumLock, and ScrollLock.

  • state - Function key status. The value 0 indicates that the function key is disabled, and the value 1 indicates the opposite.

§Returns

  • OH_Input_GetFunctionKeyState function api result code [INPUT_SUCCESS] if the operation is successful; [INPUT_PARAMETER_ERROR] if keyCode is invalid or state is a null pointer. [INPUT_KEYBOARD_DEVICE_NOT_EXIST] no keyboard device connected.

Required System Capabilities: SystemCapability.MultimodalInput.Input.Core

Available since API-level: 15