protected override void OnKeyDown(KeyEventArgs e)
{
keyPressHandled = false;
switch (e.KeyCode)
{
case Keys.Up:
if (_historyIndex > 0)
{
_historyIndex--;
Text = CmdHistory[_historyIndex];
keyPressHandled = true;
}
break;
case Keys.Down:
if (_historyIndex == CmdHistory.Count && Text.Trim() != string.Empty)
{
CmdHistory.Add(Text);
_historyIndex = CmdHistory.Count;
Clear();
keyPressHandled = true;
}
else if (_historyIndex == CmdHistory.Count - 1)
{
_historyIndex++;
Clear();
keyPressHandled = true;
}
else if (_historyIndex < CmdHistory.Count)
{
_historyIndex++;
Text = CmdHistory[_historyIndex];
keyPressHandled = true;
}
break;
case Keys.Enter:
if (Text.Trim() != string.Empty)
{
if (_historyIndex != CmdHistory.Count)
{
CmdHistory.RemoveAt(_historyIndex);
}
CmdHistory.Add(Text);
CommandEntered.Fire(this, new DataEventArgs <string>(Text.Trim()));
Clear();
_historyIndex = CmdHistory.Count;
keyPressHandled = true;
}
break;
}
base.OnKeyDown(e);
}