[C#]生成预定义全颜色表

const long CELLS_PER_LINE = 10;

const float MARGIN = 12;
const float CELL_WIDTH = 160;
const float CELL_HEIGHT = 64;
const float COLOR_LEFT_MARGIN = 8;
const float COLOR_TOP_MARGIN = 8;
const float COLOR_CELL_WIDTH = 48;
const float COLOR_CELL_HEIGHT = 32;
const float TEXT_TOP_MARGIN = COLOR_TOP_MARGIN + COLOR_CELL_HEIGHT + 2;

List<Color> vColors = new List<Color>();
Type t = typeof(Color);
PropertyInfo[] vProps = t.GetProperties();
foreach (PropertyInfo propInfo in vProps)
{
if (MemberTypes.Property == propInfo.MemberType &&
typeof(Color) == propInfo.PropertyType)
{
Color tmpColor = (Color)propInfo.GetValue(null, null);
vColors.Add(tmpColor);
}
}

Bitmap bmpColor = new Bitmap((int)(CELLS_PER_LINE * CELL_WIDTH + MARGIN * 2), (int)((vColors.Count / CELLS_PER_LINE + 1) * CELL_HEIGHT + MARGIN * 2));
using (Graphics grp = Graphics.FromImage(bmpColor))
{
grp.Clear(Color.Black);

for (int i = 0; i < vColors.Count; i++)
{
float nLeftBase = MARGIN + i % CELLS_PER_LINE * CELL_WIDTH;
float nTopBase = MARGIN + i / CELLS_PER_LINE * CELL_HEIGHT;

grp.DrawRectangle(new Pen(Color.White), nLeftBase, nTopBase, CELL_WIDTH, CELL_HEIGHT);

grp.FillRectangle(new SolidBrush(vColors[i]),
nLeftBase + COLOR_LEFT_MARGIN, nTopBase + COLOR_TOP_MARGIN,
COLOR_CELL_WIDTH, COLOR_CELL_HEIGHT);

grp.DrawString(vColors[i].Name,
new Font("宋体", 9, FontStyle.Regular),
new SolidBrush(Color.White),
nLeftBase + COLOR_LEFT_MARGIN, nTopBase + TEXT_TOP_MARGIN);
}
}

bmpColor.Save(@"D:\AllColor.bmp");