OH_ArkUI_MouseEvent_GetPressedButtons

arkui_sys::ui_input_event

Function OH_ArkUI_MouseEvent_GetPressedButtons 

Source 
pub unsafe extern "C" fn OH_ArkUI_MouseEvent_GetPressedButtons(
    event: *const ArkUI_UIInputEvent,
    pressedButtons: *mut i32,
    length: *mut i32,
) -> i32
Available on crate features api-12 and api-15 only.
Expand description

Obtains the pressed buttons from a mouse event.

§Arguments

  • event - Pointer to an ArkUI_UIInputEvent object.

  • pressedButtons - Array of the pressed buttons. An int array must be created beforehand to store the pressed buttons.

  • length - Length of the passed pressedButtons array (when used as an input parameter); number of the buttons pressed (when used as an output parameter).

§Returns

  • Returns the result code. Returns [ARKUI_ERROR_CODE_NO_ERROR] if the operation is successful. Returns [ARKUI_ERROR_CODE_BUFFER_SIZE_ERROR] if the given buffer size is insufficient.

Available since API-level: 15