private void Grid_CellColorChanged(object sender, CellColorChangedEventArgs e)
{
using (Graphics g = gridPnl.CreateGraphics())
using (SolidBrush brush = new SolidBrush(e.Color))
{
g.FillRectangle(brush, e.X, e.Y, e.Width, e.Height);
g.DrawRectangle(Pens.White, e.X, e.Y, e.Width, e.Height);
}
}
protected void OnCellColorChanged(CellColorChangedEventArgs args)
{
CellColorChanged?.Invoke(this, args);
}