public void ReplaceLocalContent(int nBackSpace, string content)
{
if (content != null)
{
for (int i = 0; i < nBackSpace; i++)
{
DoBackspace();
}
//------------------
int j = content.Length;
if (j > 0)
{
for (int i = 0; i < j; i++)
{
textLineWriter.AddCharacter(content[i]);
}
}
}
}