protected virtual bool DeletePoints(KeyboardInput userInput, IPoint[] points)
{
CheckPoints(points);
bool result = false;
if (LastKeyboardInput.Key == Key.Delete && LastKeyboardInput.KeyState == KeyState.Down &&
userInput.Key == Key.Delete && userInput.KeyState == KeyState.Up &&
userInput.ModifierKeys == ModifierKeys.None)
{
result = (_plot.DeletePoints(points) != EditResult.Invalid);
}
return(result);
}
