void CompositionTarget_Rendering(object sender, EventArgs e) { //if (motion1 != null) { // motion1.Skeleton.SetFrame(motion1.Frames[301], Quaternion.Identity); // viewport1.Render(); // _lastTimeRendered1 = DateTime.Now; //} if ((motion1 != null) && (motion1.AdvanceTime((DateTime.Now - _lastTimeRendered1).TotalMilliseconds))) { viewport1.Render(); _lastTimeRendered1 = DateTime.Now; } if (motion2.AdvanceTime((DateTime.Now - _lastTimeRendered2).TotalMilliseconds)) { viewport2.Render(); _lastTimeRendered2 = DateTime.Now; } }