bool IClickable.Contains(Point pt)
{
if (DisplayRect.Contains(pt))
{
float direction;
if (orientation == ArrowOrientation.Right)
{
Point origin = new Point(DisplayRect.Right, DisplayRect.Top + DisplayRect.Height / 2);
Point bottomCorner = new Point(DisplayRect.Left - origin.X, DisplayRect.Bottom - origin.Y);
pt.X -= origin.X;
pt.Y -= origin.Y;
direction = (float)bottomCorner.Y / bottomCorner.X;
}
else
{
Point origin = new Point(DisplayRect.Left, DisplayRect.Top + DisplayRect.Height / 2);
Point bottomCorner = new Point(DisplayRect.Right - origin.X, DisplayRect.Bottom - origin.Y);
pt.X -= origin.X;
pt.Y -= origin.Y;
direction = (float)bottomCorner.Y / bottomCorner.X;
}
return(pt.Y <= (int)(pt.X * direction) && pt.Y >= -(int)(pt.X * direction));
}
return(false);
}
/// <summary>
/// returns true is control contains point
/// </summary>
/// <param name = "pt"></param>
/// point coordinates that include scrollbar offset
/// <returns></returns>
internal bool Contains(Point pt)
{
if (_lg is Line)
{
return(((Line)_lg).Contains(pt));
}
return(DisplayRect.Contains(pt));
}
bool IClickable.Contains(Point pt)
{
return(DisplayRect.Contains(pt));
}