public virtual void DrawHeader(Graphics dc, Rectangle cellRect, TreeListColumn column, TreeList.TextFormatting format, bool isHot)
{
if (!Application.RenderWithVisualStyles)
{
if (cellRect.Width > 0 && cellRect.Height > 0)
{
ControlPaint.DrawButton(dc, cellRect, ButtonState.Flat);
}
return;
}
VisualStyleElement element = VisualStyleElement.Header.Item.Normal;
if (isHot)
{
element = VisualStyleElement.Header.Item.Hot;
}
if (VisualStyleRenderer.IsElementDefined(element))
{
VisualStyleRenderer renderer = new VisualStyleRenderer(element);
renderer.DrawBackground(dc, cellRect);
if (format.BackColor != Color.Transparent)
{
using (SolidBrush brush = new SolidBrush(format.BackColor))
dc.FillRectangle(brush, cellRect);
}
cellRect = AdjustRectangle(cellRect, format.Padding);
//dc.DrawRectangle(Pens.Black, cellRect);
Color color = format.ForeColor;
TextFormatFlags flags = TextFormatFlags.EndEllipsis | format.GetFormattingFlags();
TextRenderer.DrawText(dc, column.Caption, column.Font, cellRect, color, flags);
}
}
public virtual void PaintCell(Graphics dc,
Rectangle cellRect,
TLNode node,
TreeListColumn column,
TreeList.TextFormatting format,
object data)
{
if (format.BackColor != Color.Transparent)
{
Rectangle r = cellRect;
r.X = column.CalculatedRect.X;
r.Width = column.CalculatedRect.Width;
using (SolidBrush brush = new SolidBrush(format.BackColor))
dc.FillRectangle(brush, r);
}
if (data != null)
{
cellRect = ColumnHeaderPainter.AdjustRectangle(cellRect, format.Padding);
//dc.DrawRectangle(Pens.Black, cellRect);
Color color = format.ForeColor;
if (m_owner.FocusedNode == node && Application.RenderWithVisualStyles == false)
{
color = SystemColors.HighlightText;
}
TextFormatFlags flags = TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix | format.GetFormattingFlags();
TextRenderer.DrawText(dc, data.ToString(), m_owner.Font, cellRect, color, flags);
}
}