//static readonly Brush dbHeaderBrush = new LinearGradientBrush(new Rectangle(0, 0, Consts.dbHeaderBlockLength, bmpHeight), Color.Silver, Color.GreenYellow, 270f);
private static void DrawDBHeader(FileDBContext db, Bitmap[] bmps)
{
DBHeaderBlock dbHeader = db.GetDBHeaderBlock();
long index = 0;
Graphics g = Graphics.FromImage(bmps[index]);
int startPos = (int)(dbHeader.ThisPos - Consts.pageSize * index);
int length = dbHeader.ToBytes().Length;
Brush brush = new LinearGradientBrush(new Point(startPos, 0), new Point(startPos + length, 0), Color.Purple, Color.Aqua);
g.FillRectangle(brush, startPos, 1, length, bmpHeight - 1);
g.DrawRectangle(boundPen, startPos, 1, length, bmpHeight - 1);
g.Dispose();
}
