static string CharsToLine(char[,] chars)
{
var result = new StringBuilder("\r\n\r\n// ");
for (int i = 0; i < FrameHeight; i++)
{
for (int j = 0; j < FrameWidth; j++)
result.Append(chars[i, j]);
result.Append("\r\n");
if (i != FrameHeight - 1)
result.Append("// ");
}
return result.ToString();
}