錯誤訊息 Could not load file or assembly 'Svg ... '

Could not load file or assembly 'Svg, Version=0.5.2.17984, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified. 可能是 dll沒找到、版本錯誤等 連 dll都沒進去，當然沒進入 function，也不會有 catch