private void OnDrawHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
e.DrawBackground();
e.DrawText();
if (SortColumn != e.ColumnIndex)
{
return;
}
if (sortOrder == SortOrder.None)
{
return;
}
Image img = null;
if (sortOrder == SortOrder.Ascending)
{
img = ArrowDrawer.get().getImage(0);
}
else
{
img = ArrowDrawer.get().getImage(1);
}
Rectangle rect = new Rectangle(e.Bounds.Right - 16, e.Bounds.Bottom - 16, 11, 11);
e.Graphics.DrawImage(img, rect);
}
public static ArrowDrawer get()
{
if (obj == null)
{
obj = new ArrowDrawer();
}
return(obj);
}