public void Update(MouseState mouseState)
{
if (Click != null && Click.GetInvocationList().Length > 0)
{
MouseArea = new Rectangle(mouseState.X, mouseState.Y, MouseArea.Width, MouseArea.Height);
if (Area.Intersects(MouseArea))
{
Image.Color = HoverColor;
if (mouseState.LeftButton == ButtonState.Pressed && oldMouseState.LeftButton == ButtonState.Released)
{
Image.Color = ClickColor;
OnClick(new EventArgs());
}
oldMouseState = mouseState;
}
else
{
Image.Color = DefaultColor;
}
}
else
{
// disable button since it has nothing attached
}
}
public void ClearEvents()
{
if (Click != null)
{
foreach (Delegate d in Click.GetInvocationList())
{
Click -= (EventHandler)d;
}
}
}
public bool HasListeners()
{
if (Click != null && Click.GetInvocationList().Length > 0)
{
return(true);
}
else
{
return(false);
}
}
void doClick()
{
foreach (RoutedEventHandler h in Click.GetInvocationList())
{
try
{
h(this, null);
}
catch (Exception)
{
Console.WriteLine("A listener threw an exception in its handler");
}
}
}