/// <summary>
/// Paints the background of the item.
/// </summary>
/// <param name="e">Event arguments.</param>
protected virtual void OnDrawBackground(DrawNodeEventArgs e)
{
DrawBackground?.Invoke(this, e);
if (e.Handled)
{
return;
}
using (Brush back = new SolidBrush(!e.Enabled ? DisabledBackColor :
!e.ControlHasFocus && e.Selected ? UnfocusedItemBackColor :
e.Selected?SelectedItemBackColor:
e.Hovered ? HoveredItemBackColor : BackColor))
{
e.Graphics.FillRectangle(back, e.Bounds);
}
}
internal static void OnDrawBackground() => DrawBackground?.Invoke();
