public void ShowPath(History path)
{
var sw = new System.Diagnostics.Stopwatch();
sw.Start();
var linePath = new List <Point>();
LetterGridControl.SuspendLayout();
LetterGridControl.Visible = false;
foreach (HistoryItem pathStop in path.GetList())
{
Control letterControl = letterControls[pathStop.row, pathStop.col];
//Highlight control
letterControl.BackColor = Color.Orange;
//Add control location to a list of points to be painted as a line.
Point topLeft = letterControl.Location;
Point centre = new Point(topLeft.X + letterControl.Width / 2, topLeft.Y + letterControl.Height / 2);
linePath.Add(centre);
}
letterControls[path.GetList()[0].row, path.GetList()[0].col].BackColor = Color.Red;
LetterGridControl.LinePath = linePath;
LetterGridControl.Refresh(); //cause repaint
LetterGridControl.Visible = true;
LetterGridControl.PerformLayout();
sw.Stop();
Console.WriteLine($"ShowPath: {sw.ElapsedMilliseconds}");
}
public void ClearLinePath()
{
LetterGridControl.LinePath = new List <Point>();
LetterGridControl.Refresh();
}