Ambiguous reference 'preview': CameraMotionBlurEditor.preview, UnityEditor.Editor.preview.
需要把var preview : SerializedProperty;
改为 var preview_ : SerializedProperty;
修改
preview
为
preview_
var preview_ : SerializedProperty;
preview_ = serObj.FindProperty ("preview");
EditorGUILayout.PropertyField (preview_, new GUIContent("Preview"));
if (preview_.boolValue)