public void Panel_OnKeyUp_Invoke_CallsKeyUp(KeyEventArgs eventArgs)
{
var control = new SubPanel();
int callCount = 0;
KeyEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.KeyUp += handler;
control.OnKeyUp(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.KeyUp -= handler;
control.OnKeyUp(eventArgs);
Assert.Equal(1, callCount);
}
