TpTrayUtility.Components.ImageViewPort.OnMouseMove C# (CSharp) Method

		protected override void OnMouseMove(MouseEventArgs e)
		{			
			Primitive overPrimitive = GetPrimitiveAt(MouseToReal(e.Location));

			Cursor cursor = _shapeControl.GetCursor(MouseToReal(e.Location), _dragPointID);
			if (cursor != null)
			{
				Cursor = cursor;
			}
			else if (_shapeControl != null && _shapeControl.PointIn(MouseToReal(e.Location)))
			{
				if (SelectionExists)
					Cursor = SelectedPrimitive.GetCursor(MouseToReal(e.Location));
			}
			else if (overPrimitive != null && ModifierKeys == Keys.Shift)
			{
				Cursor = Cursors.Hand;
			}
			else
			{
				Cursor = Cursors.Default;
			}

			if (e.Button == MouseButtons.Left)
			{
				if (_dragPointID >= 0 && SelectionExists)
				{
					_shapeControl.MovePoint(_dragPointID, MouseToReal(e.Location));
					SelectedPrimitive.OnResize(false);
					_resizeMode = true;
					Invalidate();
				}
				else if (_shapeControl.Dragging && SelectionExists)
				{
					float dx = ((_lastMousePosition.X - e.X)/_zoom);
					float dy = ((_lastMousePosition.Y - e.Y)/_zoom);
					
					_shapeControl.MoveBy(dx, dy);
					Invalidate();
				}
				else if (_isPenDown && _currentPrimitive != null)
				{
					_currentPrimitive.CreationMouseMoveHandler(MouseToReal(e.Location));
					Invalidate();
				}
			}
			if (e.Button == MouseButtons.Right)
			{
				float dx = _lastMousePosition.X - e.X;
				float dy = _lastMousePosition.Y - e.Y;
				PointF tpt = new PointF(_offsetX + dx, _offsetY + dy);
				RectangleF rc = CalculateGlobalBounds();
				rc.Offset(-Width, -Height);
				rc.Size = new SizeF(rc.Width + Width*2, rc.Height + Height*2);
				if (rc.Contains(tpt))
				{
					_offsetX += dx;
					_offsetY += dy;
					Invalidate();
				}
			}

			//if (SelectionExists)
			//    NormalizeEx();
			_lastMousePosition = e.Location;
		}