/// <summary>
/// Set current key.
/// </summary>
private void SetCurrentKey()
{
if (NewFile.Trim().Length > 0)
{
if (OldFile.Trim().Length > 0)
{
_currentKey = "[" + NewFile + "]-[" + OldFile + "]";
}
else
{
_currentKey = "[" + NewFile + "]-[?]";
}
}
else
{
if (OldFile.Trim().Length > 0)
{
_currentKey = "[?]-[" + OldFile + "]";
}
else
{
_currentKey = string.Empty;
}
}
}
