void SelectionLocationReceived(object sender, EventArgs e) { RangePacket packet = (RangePacket)sender; Range selection = ActiveWorksheet.Range[packet.RangeInfo]; ExcelUser user = packet.User; if (lastRange != null) { Debug.WriteLine(lastLeftColor); lastRange.Borders.Item[XlBordersIndex.xlEdgeLeft].Color = lastLeftColor; lastRange.Borders.Item[XlBordersIndex.xlEdgeLeft].Weight = lastLeftWeight; lastRange.Borders.Item[XlBordersIndex.xlEdgeLeft].LineStyle = lastLeftStyle; lastRange.Borders.Item[XlBordersIndex.xlEdgeTop].Color = lastTopColor; lastRange.Borders.Item[XlBordersIndex.xlEdgeTop].Weight = lastTopWeight; lastRange.Borders.Item[XlBordersIndex.xlEdgeTop].LineStyle = lastTopStyle; lastRange.Borders.Item[XlBordersIndex.xlEdgeRight].Color = lastRightColor; lastRange.Borders.Item[XlBordersIndex.xlEdgeRight].Weight = lastRightWeight; lastRange.Borders.Item[XlBordersIndex.xlEdgeRight].LineStyle = lastRightStyle; lastRange.Borders.Item[XlBordersIndex.xlEdgeBottom].Color = lastBottomColor; lastRange.Borders.Item[XlBordersIndex.xlEdgeBottom].Weight = lastBottomWeight; lastRange.Borders.Item[XlBordersIndex.xlEdgeBottom].LineStyle = lastBottomStyle; lastRange.ClearComments(); if (lastComments.Count >= 0) { if (lastComments[0] != null) { lastRange.AddComment(lastComments[0]); } } //all you have to do is .copy!!!!!!!!!!!!!!!!!!!!!! //selection.Copy(lastRange); //ActiveWorksheet.Range["A1"].Value = "test"; } lastRange = selection; Debug.WriteLine("got selection change"); ActiveRange = selection; lastComments = new List <string>(); lastLeftColor = (XlRgbColor)selection.Borders.Item[XlBordersIndex.xlEdgeLeft].Color; lastLeftWeight = (XlBorderWeight)selection.Borders.Item[XlBordersIndex.xlEdgeLeft].Weight; lastLeftStyle = (XlLineStyle)selection.Borders.Item[XlBordersIndex.xlEdgeLeft].LineStyle; lastTopColor = (XlRgbColor)selection.Borders.Item[XlBordersIndex.xlEdgeTop].Color; lastTopWeight = (XlBorderWeight)selection.Borders.Item[XlBordersIndex.xlEdgeTop].Weight; lastTopStyle = (XlLineStyle)selection.Borders.Item[XlBordersIndex.xlEdgeTop].LineStyle; lastRightColor = (XlRgbColor)selection.Borders.Item[XlBordersIndex.xlEdgeRight].Color; lastRightWeight = (XlBorderWeight)selection.Borders.Item[XlBordersIndex.xlEdgeRight].Weight; lastRightStyle = (XlLineStyle)selection.Borders.Item[XlBordersIndex.xlEdgeRight].LineStyle; lastBottomColor = (XlRgbColor)selection.Borders.Item[XlBordersIndex.xlEdgeBottom].Color; lastBottomWeight = (XlBorderWeight)selection.Borders.Item[XlBordersIndex.xlEdgeBottom].Weight; lastBottomStyle = (XlLineStyle)selection.Borders.Item[XlBordersIndex.xlEdgeBottom].LineStyle; selection.Borders.Item[XlBordersIndex.xlEdgeLeft].Color = XlRgbColor.rgbBlue; selection.Borders.Item[XlBordersIndex.xlEdgeLeft].Weight = XlBorderWeight.xlMedium; selection.Borders.Item[XlBordersIndex.xlEdgeTop].Color = XlRgbColor.rgbBlue; selection.Borders.Item[XlBordersIndex.xlEdgeTop].Weight = XlBorderWeight.xlMedium; selection.Borders.Item[XlBordersIndex.xlEdgeRight].Color = XlRgbColor.rgbBlue; selection.Borders.Item[XlBordersIndex.xlEdgeRight].Weight = XlBorderWeight.xlMedium; selection.Borders.Item[XlBordersIndex.xlEdgeBottom].Color = XlRgbColor.rgbBlue; selection.Borders.Item[XlBordersIndex.xlEdgeBottom].Weight = XlBorderWeight.xlMedium; lastComments.Add(selection.Comment?.Text()); selection.ClearComments(); Debug.WriteLine("Made it to comment adding"); if (selection.Count < 2) { selection.AddComment(user.ToString() + ": Updating this cell at the moment"); } else { selection[selection.Columns.Count]?.AddComment(user.ToString() + ": Updating these cells at the moment"); } }