protected void doneCallback(ref KeyFrameCallback curDoneCallback, ref object curDoneUserData, ComponentKeyFrame component) { // 先保存回调,然后再调用回调之前就清空回调,确保在回调函数执行时已经完全完成 KeyFrameCallback tempCallback = curDoneCallback; object tempUserData = curDoneUserData; clearCallback(); if (tempCallback != null) { tempCallback(component, tempUserData, false, true); } }
public static void setCallback(KeyFrameCallback callback, object userData, ref KeyFrameCallback curCallback, ref object curUserData, ComponentKeyFrame component) { KeyFrameCallback tempCallback = curCallback; object tempUserData = curUserData; curCallback = null; curUserData = null; // 如果回调函数当前不为空,则是中断了正在进行的变化 if (tempCallback != null) { tempCallback(component, tempUserData, true, false); } curCallback = callback; curUserData = userData; }