//-------------------------------------------------------------------------------------
/// <summary>
/// </summary>
//-------------------------------------------------------------------------------------
private void Planet3DDisplay_MouseUp(object sender, MouseButtonEventArgs e)
{
_dragging = false;
Planet3DDisaply.ReleaseMouseCapture();
}
//-------------------------------------------------------------------------------------
/// <summary>
/// </summary>
//-------------------------------------------------------------------------------------
private void Planet3DDisplay_MouseDown(object sender, MouseButtonEventArgs e)
{
Planet3DDisaply.CaptureMouse();
_dragging = true;
_lastSpot = Mouse.GetPosition(sender as IInputElement);
}
