SampleApp.MainForm.ClearCurrentImage C# (CSharp) Method

        private void ClearCurrentImage()
        {
            // clear current image from picture box
            pictureBox.Image = null;
            // free current image
            if ((noneFiltersItem.Checked == false) && (filteredImage != null))
            {
                filteredImage.Dispose();
                filteredImage = null;
            }
            // uncheck all menu items
            foreach (MenuItem item in filtersItem.MenuItems)
                item.Checked = false;
        }