public int Exec(float tick = 0, Matrix matrix = null, ColorTransform colorTransform = null) { bool execed = false; float currentProgress = m_progress; if (m_execDisabled && tweens == null) { if (!m_executedForExecDisabled) { ++m_execCount; m_rootMovie.Exec(); m_rootMovie.PostExec(true); m_executedForExecDisabled = true; execed = true; } } else { bool progressing = true; m_thisTick = tick; if (tick == 0) { m_progress = m_tick; } else if (tick < 0) { m_progress = m_tick; progressing = false; } else { if (m_time == 0) { m_time += (double)m_tick; m_progress += m_tick; } else { m_time += (double)tick; m_progress += tick; } } if (m_execHandlers != null) { m_execHandlers.ForEach(h => h(this)); } int execLimit = m_execLimit; while (m_progress >= m_tick - m_roundOffTick) { if (--execLimit < 0) { m_progress = 0; break; } m_progress -= m_tick; ++m_execCount; m_rootMovie.Exec(); m_rootMovie.PostExec(progressing); execed = true; } if (m_progress < m_roundOffTick) { m_progress = 0; } m_buttonHead = null; if (interactive && m_rootMovie.hasButton) { m_rootMovie.LinkButton(); } } if (execed || isLWFAttached || isPropertyDirty || matrix != null || colorTransform != null) { Update(matrix, colorTransform); } if (!m_execDisabled) { if (tick < 0) { m_progress = currentProgress; } } return(m_renderingCount); }