private void convolutionFiltersItem_Click(object sender, System.EventArgs e)
{
ApplyFilter(new Convolution(new int[,] {
{ 1, 2, 3, 2, 1 },
{ 2, 4, 5, 4, 2 },
{ 3, 5, 6, 5, 3 },
{ 2, 4, 5, 4, 2 },
{ 1, 2, 3, 2, 1 } }));
convolutionFiltersItem.Checked = true;
}