internal void Poppin(KeyInfo info, bool isExtra = false)
{
this.IsBusy = true;
this._keyInfo = info;
this.textblock.Text = info.ToString();
if (isExtra)
{
this.textblock.Foreground = extraForegroundBrush;
}
else
{
this.textblock.Foreground = normalForegroundBrush;
}
this.Show();
}