public void AddRowRef(int row)
{
if (Int32Util.IsClamped(row, 0, this.height - 1))
{
this.rowRefCounts[row]++;
}
}
public void ReleaseRowRef(int row)
{
if (Int32Util.IsClamped(row, 0, this.height - 1))
{
this.rowRefCounts[row]--;
if ((this.rowRefCounts[row] == 0) && this.IsRowCached(row))
{
this.FreeRow(row);
}
}
}