/// <summary>
///
/// </summary>
/// <param name="listView"></param>
public static void AutoSizeColumns(this RadListView listView)
{
using (var defer = listView.DeferRefresh())
{
var sizes = listView
.Items
.Select(i =>
{
var cols = new List <int>();
for (var m = 0; m < i.FieldCount; ++m)
{
object value = i[m];
if (value == null)
{
value = "";
}
cols.Add(TextRenderer.MeasureText(value.ToString(), listView.Font).Width + 4);
}
return(cols.ToArray());
})
.ToArray();
for (var c = 0; c < listView.Columns.Count; ++c)
{
var col = listView.Columns[c];
if (!col.Visible)
{
continue;
}
if (sizes.Length == 0)
{
col.Width = 1;
}
else
{
col.Width = Math.Max(1, sizes.Max(s => s[c]));
}
}
}
}