public static FileTransfer AddNewFileTransfer(this FlowDocument doc, Tox tox, int friendnumber, int filenumber, string filename, ulong filesize, bool is_sender)
{
FileTransferControl fileTransferControl = new FileTransferControl(tox.GetName(friendnumber), friendnumber, filenumber, filename, filesize);
FileTransfer transfer = new FileTransfer() { FriendNumber = friendnumber, FileNumber = filenumber, FileName = filename, FileSize = filesize, IsSender = is_sender, Control = fileTransferControl };
Section usernameParagraph = new Section();
TableRow newTableRow = new TableRow();
BlockUIContainer fileTransferContainer = new BlockUIContainer();
fileTransferControl.HorizontalAlignment = HorizontalAlignment.Stretch;
fileTransferControl.HorizontalContentAlignment = HorizontalAlignment.Stretch;
fileTransferContainer.Child = fileTransferControl;
usernameParagraph.Blocks.Add(fileTransferContainer);
usernameParagraph.Padding = new Thickness(0);
TableCell fileTableCell = new TableCell();
fileTableCell.ColumnSpan = 2;
fileTableCell.Blocks.Add(usernameParagraph);
newTableRow.Cells.Add(fileTableCell);
fileTableCell.Padding = new Thickness(0, 10, 0, 10);
TableRowGroup MessageRows = (TableRowGroup)doc.FindName("MessageRows");
MessageRows.Rows.Add(newTableRow);
return transfer;
}