protected override void OnDrawItem(DrawItemEventArgs e)
{
int num1 = this.GetIndex(e.Index);
if (((this.provider == null) || (num1 < 0)) || (num1 >= this.provider.Count))
{
base.OnDrawItem(e);
}
else
{
bool flag1 = (e.State & DrawItemState.Disabled) != DrawItemState.None;
bool flag2 = ((e.State & DrawItemState.Focus) != DrawItemState.None) && ((e.State & DrawItemState.NoFocusRect) == DrawItemState.None);
bool flag3 = (e.State & DrawItemState.Selected) != DrawItemState.None;
Size size1 = (this.images != null) ? new Size(this.images.ImageSize.Width + EditConsts.DefaultColumnSeparator, this.images.ImageSize.Height) : new Size(0, 0);
if (this.images != null)
{
int num2 = ((CodeCompletionProvider)this.provider).GetImageIndex(num1);
if ((num2 >= 0) && (num2 < this.images.Images.Count))
{
this.images.Draw(e.Graphics, e.Bounds.Left, e.Bounds.Top + ((e.Bounds.Height - size1.Height) / 2), num2);
}
e.Graphics.TranslateTransform((float)size1.Width, 0f);
}
e.DrawBackground();
if (flag2)
{
e.DrawFocusRectangle();
}
int num3 = e.Bounds.Left + size1.Width;
for (int num4 = 0; num4 < this.provider.ColumnCount; num4++)
{
ICodeCompletionColumn column1 = (num4 < this.columns.Count) ? this.GetColumn(num4) : null;
if ((column1 == null) || column1.Visible)
{
Color color1 = (column1 != null) ? column1.ForeColor : this.ForeColor;
int num5 = (int)this.columnWidths[num4];
Rectangle rectangle1 = new Rectangle(num3, e.Bounds.Top, num5, e.Bounds.Height);
if (flag1)
{
color1 = EditConsts.DefaultDisabledForeColor;
}
else if (flag3)
{
color1 = EditConsts.DefaultHighlightForeColor;
}
this.DrawColumn(e.Graphics, rectangle1, this.provider.GetColumnText(num1, num4), color1, (column1 != null) ? column1.FontStyle : FontStyle.Regular);
num3 += num5;
}
}
}
}
protected virtual void ProviderChanged()
{
base.BeginUpdate();
try
{
base.Items.Clear();
this.columnWidths.Clear();
this.itemWidth = 0;
if (this.provider != null)
{
for (int num1 = 0; num1 < this.provider.Count; num1++)
{
string text1 = this.provider.Strings[num1];
if (this.IsFiltered(text1))
{
base.Items.Add(num1.ToString() + "|" + text1);
}
}
for (int num3 = 0; num3 < this.provider.ColumnCount; num3++)
{
int num2 = 0;
ICodeCompletionColumn column1 = (num3 < this.columns.Count) ? this.GetColumn(num3) : null;
for (int num4 = 0; num4 < this.provider.Count; num4++)
{
if (this.IsFiltered(this.provider.Strings[num4]))
{
num2 = Math.Max(num2, this.MeasureWidth(this.provider.GetColumnText(num4, num3), (column1 != null) ? column1.FontStyle : FontStyle.Regular));
}
}
num2 += EditConsts.DefaultColumnSeparator;
this.itemWidth += num2;
this.columnWidths.Add(num2);
}
}
if (this.images != null)
{
this.itemWidth += (this.images.ImageSize.Width + EditConsts.DefaultColumnSeparator);
}
this.UpdateControlSize();
}
finally
{
base.EndUpdate();
}
}