public DrawingItem HitTest(Control owner, int x, int y)
{
for (int i = this.Count - 1; i >= 0; i--)
{
DrawingItem objDraw = this[i];
DrawGroupBox dgb = objDraw as DrawGroupBox;
if (dgb != null)
{
DrawingItem di = dgb.HitTestChild(owner, x, y);
if (di != null)
{
return(di);
}
else
{
if (objDraw.HitTest(owner, x, y))
{
return(objDraw);
}
}
}
else if (objDraw.HitTest(owner, x, y))
{
return(objDraw);
}
}
return(null);
}
public virtual DrawingItem HitTestChild(Control owner, int x, int y)
{
if (_items != null)
{
int x0 = x - this.Left;
int y0 = y - this.Top;
if (this.RotateAngle != 0)
{
PointF pf = DrawRect.ConvertPoint(this.RectF, this.RotateAngle, new PointF((float)x, (float)y));
x0 = (int)pf.X;
y0 = (int)pf.Y;
}
for (int i = _items.Count - 1; i >= 0; i--)
{
DrawingItem obj = _items[i];
DrawGroupBox dgb = obj as DrawGroupBox;
if (dgb != null)
{
DrawingItem o = dgb.HitTestChild(owner, x0, y0);
if (o != null)
{
return(o);
}
}
if (obj.HitTest(owner, x0, y0))
{
return(obj);
}
}
}
return(null);
}