private void PaintForm(object sender, PaintEventArgs e)
{
PropertyInfo[] props;
props = typeof(Brushes).GetProperties();
const int numGroup = 4;
BrushWithName[][] brushGroups = new BrushWithName[numGroup][];
int brushCount = 0;
int brushEachGroup = props.Length / numGroup;
for (int i = 0; i < numGroup; ++i)
{
BrushWithName[] brushSubGroup;
brushSubGroup = new BrushWithName[brushEachGroup];
brushEachGroup = brushSubGroup.Length;
for (int j = 0; j < brushSubGroup.Length && brushCount < props.Length; ++j, ++brushCount)
{
brushSubGroup[j].Value = (Brush)props[brushCount].GetValue(null, null);
brushSubGroup[j].Name = props[brushCount].Name;
}
brushGroups[i] = brushSubGroup;
}
Size clientSize = this.Size;
Size blockSize = new Size(clientSize.Width / numGroup, clientSize.Height / brushEachGroup);
Point location = new Point();
for (int i = 0; i < brushGroups.Length; ++i)
{
for (int j = 0; j < brushGroups[i].Length; ++j)
{
Graphics g = e.Graphics;
if (brushGroups[i][j].Value == null)
{
continue;
}
g.FillRectangle(brushGroups[i][j].Value, new Rectangle(location, blockSize));
if (blockSize.Height > 10)
{
Font font = new Font("宋体", 10);
string output = brushGroups[i][j].Name;
g.DrawString(output, font, Brushes.Black, location);
}
location.Offset(0, blockSize.Height);
}
location = new Point(location.X + blockSize.Width, 0);
}
}
private void PaintForm(object sender, PaintEventArgs e)
{
PropertyInfo[] props;
props = typeof(Brushes).GetProperties();
const int numGroup = 4;
BrushWithName[][] brushGroups = new BrushWithName[numGroup][];
int brushCount = 0;
int brushEachGroup = props.Length / numGroup;
for (int i = 0; i < numGroup; ++i)
{
BrushWithName[] brushSubGroup;
brushSubGroup = new BrushWithName[brushEachGroup];
brushEachGroup = brushSubGroup.Length;
for (int j = 0; j < brushSubGroup.Length && brushCount < props.Length; ++j, ++brushCount)
{
brushSubGroup[j].Value = (Brush)props[brushCount].GetValue(null, null);
brushSubGroup[j].Name = props[brushCount].Name;
}
brushGroups[i] = brushSubGroup;
}
Size clientSize = this.Size;
Size blockSize = new Size(clientSize.Width / numGroup, clientSize.Height / brushEachGroup);
Point location = new Point();
for (int i = 0; i < brushGroups.Length; ++i)
{
for (int j = 0; j < brushGroups[i].Length; ++j)
{
Graphics g = e.Graphics;
if (brushGroups[i][j].Value == null) continue;
g.FillRectangle(brushGroups[i][j].Value, new Rectangle(location, blockSize));
if (blockSize.Height > 10)
{
Font font = new Font("宋体", 10);
string output = brushGroups[i][j].Name;
g.DrawString(output, font, Brushes.Black, location);
}
location.Offset(0, blockSize.Height);
}
location = new Point(location.X + blockSize.Width, 0);
}
}