public override void Handle(object sender, object args)
{
Button button = (Button)args;
if (button.Tag is Operation)
{
OnOperation?.Invoke(this, button.Tag);
}
else
{
switch (button.Tag.GetType().Name.ToLower())
{
case "string":
switch ((string)button.Tag)
{
case "digit":
OnDigit?.Invoke(this, button.Text);
break;
case "control":
OnControl?.Invoke(this, button.AccessibleName);
break;
}
break;
}
}
}
public override void Handle(object sender, object args)
{
if (args == null)
{
throw new ArgumentNullException();
}
KeyPressEventArgs e = (KeyPressEventArgs)args;
if (char.IsDigit(e.KeyChar) ||
e.KeyChar == ',')
{
OnDigit?.Invoke(this, e.KeyChar);
}
else
{
switch (e.KeyChar)
{
case (char)Keys.Back:
OnControl?.Invoke(this, "backspace");
break;
case (char)Keys.Escape:
OnControl?.Invoke(this, "clear");
break;
case '+':
OnOperation?.Invoke(this, new Summation());
break;
case '-':
OnOperation?.Invoke(this, new Subtraction());
break;
case '*':
OnOperation?.Invoke(this, new Multiplication());
break;
case '/':
OnOperation?.Invoke(this, new Division());
break;
case (char)Keys.Return:
case '=':
OnOperation?.Invoke(this, new Equals());
break;
case '^':
OnOperation?.Invoke(this, new Power());
break;
}
}
}
public async Task SendControl(byte control)
{
OnControl?.Invoke(this, control);
await Task.Delay(0);
}