TpTrayUtility.Components.ShapeBoxControl.GetPoint C# (CSharp) Метод

		public int GetPoint(PointF coords)
		{
			foreach (var p in points.Where(p => Distance(p.Position, coords) < 10))
			{
				return p.ID;
			}
			return -1;
		}

        protected override void OnMouseDown(MouseEventArgs e)
        {
            if (e.Button != MouseButtons.Left)
            {
                return;
            }

            _dragPointID = _shapeControl.GetPoint(MouseToReal(e.Location));
            if (_dragPointID >= 0)
            {
                return;
            }

            Primitive overPrimitive = GetPrimitiveAt(MouseToReal(e.Location));

            if (overPrimitive != null &&
                (ModifierKeys == Keys.Shift ||
                 (SelectedPrimitive == overPrimitive && _selectedTool == PrimitiveTool(overPrimitive)) ||
                 _selectedTool == TpTool.Select))
            {
                if (SelectionExists)
                {
                    SelectedPrimitive.ShapeToolLost();
                }
                SelectedPrimitive      = overPrimitive;
                _shapeControl.Dragging = true;
                UpdateCurrentTool();
                Invalidate();
            }
            else
            {
                if (ModifierKeys == Keys.Shift)
                {
                    return;
                }
                if (SelectionExists)
                {
                    SelectedPrimitive.ShapeToolLost();
                    ResetSelectedPrimitive();
                    Invalidate();
                }
                _isPenDown = true;
                if (_selectedTool == TpTool.FreeLine)
                {
                    _currentPrimitive = new FreeLine();
                }
                else if (_selectedTool == TpTool.Line)
                {
                    _currentPrimitive = new Line();
                }
                else if (_selectedTool == TpTool.TextBox)
                {
                    _currentPrimitive = new DecoratedTextBox();
                }
                else if (_selectedTool == TpTool.Box)
                {
                    _currentPrimitive = new Box();
                }
                else if (_selectedTool == TpTool.Select)
                {
                    _currentPrimitive = null;
                }

                if (_currentPrimitive != null)
                {
                    _currentPrimitive.CreationMouseDownHandler(MouseToReal(e.Location));
                }
            }

            if (!SelectionExists)
            {
                RemoveAllProperties();
            }
        }