public void NewLineFromCurrentPosition()
{
TextLines.InsertLine(
CurrentString + 1,
CurrentChar < TextLines[CurrentString].Length
? TextLines[CurrentString].Substring(CurrentChar)
: string.Empty);
if (CurrentChar < TextLines[CurrentString].Length)
{
TextLines.RemoveInLine(CurrentString, CurrentChar);
}
CurrentPosition.Str++;
CurrentPosition.Chr = 0;
}