Function object_set_grid_cell 

pub unsafe fn object_set_grid_cell(
    obj: *mut Object,
    column_align: GridAlign,
    col_pos: i32,
    col_span: i32,
    row_align: GridAlign,
    row_pos: i32,
    row_span: i32,
) -> Result<()>

Safety

This function is unsafe because it may dereference raw pointers.