void HandleInput(object sender)
{
var args = new KeyClickEventArgs();
if (sender is Button button)
{
if (button.Content is String s)
{
VirtualKey key = default(VirtualKey);
switch (s)
{
case "Space":
key = VirtualKey.Space;
args.KeyString = " ";
break;
case "Back":
key = VirtualKey.Back;
break;
case "Enter":
key = VirtualKey.Enter;
break;
default:
var c = s.FirstOrDefault();
if (c >= 65 && c <= 90)
{
args.ShiftState = true;
key = (VirtualKey)(c);
}
else if (c >= 97 && c <= 122)
{
c = s.ToUpper().FirstOrDefault();
key = (VirtualKey)(c);
}
args.KeyString = s;
break;
}
args.Key = key;
OnKeyClick(args);
}
}
}
public void OnKeyClick(KeyClickEventArgs e)
{
KeyClick?.Invoke(this, e);
}