SIL.FieldWorks.Discourse.ConstChartBody.OnMouseMove C# (CSharp) Method

		protected override void OnMouseMove(MouseEventArgs e)
		{
			ChartLocation cell;
			int irow;
			if (GetCellInfo(e, out cell, out irow))
			{
				var info = new SelLevInfo[1];
				info[0].ihvo = irow;
				info[0].tag = DsConstChartTags.kflidRows;
				info[0].cpropPrevious = 0;
				// Makes a selection near the start of the row.
				var sel = RootBox.MakeTextSelInObj(0, 1, info, 0, null, true, false, false, false, false);
				if (sel != null)
				{
					Rect rcPrimary;
					using (new HoldGraphics(this))
					{
						Rectangle rcSrcRoot, rcDstRoot;
						Rect rcSec;
						bool fSplit, fEndBeforeAnchor;
						GetCoordRects(out rcSrcRoot, out rcDstRoot);
						sel.Location(m_graphicsManager.VwGraphics, rcSrcRoot, rcDstRoot, out rcPrimary,
							out rcSec, out fSplit, out fEndBeforeAnchor);
					}
					SetHoverButtonLocation(rcPrimary, cell.ColIndex);
					if (!Controls.Contains(m_hoverButton))
						Controls.Add(m_hoverButton);
				}
			}
			else if (Controls.Contains(m_hoverButton))
			{
				Controls.Remove(m_hoverButton);
			}
			base.OnMouseMove(e);
		}