private void Border_KeyDown(object sender, KeyEventArgs e)
{
switch (e.Key)
{
case Key.C:
if (e.KeyboardDevice.Modifiers == ModifierKeys.Control)
{
MessageContainer.CopyToClipboard();
}
break;
case Key.A:
if (e.KeyboardDevice.Modifiers == ModifierKeys.Control)
{
MessageContainer.SelectAll();
}
break;
}
}