public override void DownButton()
{
UpDownEventArgs e = new UpDownEventArgs(false);
UpDown?.Invoke(this, e);
if (!e.Handled)
{
base.DownButton();
}
}
public override void UpButton()
{
UpDownEventArgs e = new UpDownEventArgs(true);
UpDown?.Invoke(this, e);
if (!e.Handled)
{
base.UpButton();
}
}
/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// updowneventhandler.BeginInvoke(source, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this UpDownEventHandler updowneventhandler, Object source, UpDownEventArgs e, AsyncCallback callback)
{
if (updowneventhandler == null)
{
throw new ArgumentNullException("updowneventhandler");
}
return(updowneventhandler.BeginInvoke(source, e, callback, null));
}
public void Ctor_Int(int buttonPushed)
{
var e = new UpDownEventArgs(buttonPushed);
Assert.Equal(buttonPushed, e.ButtonID);
}
