c# winforms events restore textbox contents on escape
- by aj3jr
Using c# in 2008 Express. I have a textbox containing a path. I append a "\" at the end on Leave Event. If the user presses 'Escape' key I want the old contents to be restored. When I type over all the text and press 'Escape' I hear a thump and the old text isn't restored. Here what I have so far ...
public string _path;
public string _oldPath;
this.txtPath.KeyPress += new System.Windows.Forms.KeyPressEventHandler(txtPath_CheckKeys);
this.txtPath.Enter +=new EventHandler(txtPath_Enter);
this.txtPath.LostFocus += new EventHandler(txtPath_LostFocus);
public void txtPath_CheckKeys(object sender, KeyPressEventArgs kpe)
{ if (kpe.KeyChar == (char)27)
{
_path = _oldPath;
}
}
public void txtPath_Enter(object sender, EventArgs e)
{
//AppendSlash(sender, e);
_oldPath = _path;
}
void txtPath_LostFocus(object sender, EventArgs e)
{
//throw new NotImplementedException();
AppendSlash(sender, e);
}
public void AppendSlash(object sender, EventArgs e)
{
//add a slash to the end of the txtPath string on ANY change except a restore
this.txtPath.Text += @"\";
}
Thanks in advance,
